SCS Static Monitor 790 User manual

Brand: SCS

Model: Static Monitor 790

Type: User manual

TB-9015 Page 1 of 7

Employee Owned

SCS -5,QGXVWULDO'ULYH6DQIRUG1&:HEVLWHStaticControl.com

Static Monitor 790

Installation, Operation and Maintenance

Description

The SCS Static Monitor 790 is designed to monitor the

operation of two wrist strap grounding systems and the

ground connection of a specified equipment chassis.

7KLVSURGXFWKDVEHHQGHVLJQHGDQGWHVWHGIRULQGRRU

XVHRQO\DQGZLWK6&6'XDO&RQGXFWRU:ULVWEDQGV

2300VM Series and SCS Dual Conductor Ground Cord

2300 Series. The monitor operates from a 120VAC

adaptor that is included in the North America version.

2XWVLGH1RUWK$PHULFDREWDLQDQDSSURSULDWH$&

adapter meeting the specifications. The product has not

EHHQWHVWHGRUSURYHQVDIHIRURWKHUXVHV

1RWH6&6'XDO&RQGXFWRU&RUGV:ULVWEDQGV

2300VM Series are required for use with the Static

Monitor 790, ordered separately.

Meets requirements of ANSI/ESD S20.20 and

UHFRPPHQGDWLRQVRI(6'+DQGERRN(6'75

ZKLFKLQFOXGHV³LIWKHSURGXFWVWKDWDUHEHLQJSURGXFHG

DUHRIVXFKYDOXHWKDWNQRZOHGJHRIDFRQWLQXRXV

UHOLDEOHJURXQGLVQHHGHGDQGWKHQFRQWLQXRXV

PRQLWRULQJVKRXOGEHFRQVLGHUHGRUHYHQUHTXLUHG´

June 2015

USER GUIDE TB-9015

Figure 1. SCS Static Monitor 790.

Figure 2. SCS Static Monitor 790 Kit.

AC Adapter

Mounting

SCS Static Monitor 790

Chassis/

Ground

Cords with

7ZR:LUH

Connector

Theory of Operation

The SCS Static Monitor 790 is designed to continuously

PRQLWRUWKHYROWDJHOHYHORQDQRSHUDWRUVXVLQJD

high impedance voltage measurement circuit. The

measured operator’s voltage is compared to one of four

XVHUVHOHFWDEOH999DQG9LQWHUQDOUHIHUHQFH

voltages. An alarm will sound with a corresponding

UHGIODVKLQJODPSVZKHQDQRSHUDWRU¶VYROWDJHOHYHO

FDXVHGE\VWDWLFJHQHUDWLRQH[FHHGVWKHVHOHFWHG

LQWHUQDOUHIHUHQFHYROWDJH,QDGGLWLRQDZULVWEDQG

contact detection circuit is also employed to let the user

NQRZLIWKHZULVWEDQGLVEHLQJZRUQLPSURSHUO\RUKDV

H[SHULHQFHGDORVVRIFRQWLQXLW\EHWZHHQWKHJURXQG

FRUGDQGZULVWEDQG

The ground connection of the Static Monitor 790 is

continuously monitored through a low DC current-loop

measurement circuit. The ground connection of an

HTXLSPHQWFKDVVLVFDQDOVREHPRQLWRUHGZKHQ

connected in series with the monitor’s ground

measurement circuit. An alarm will sound with

corresponding red lamps, when this loop resistance

H[FHHGVRKPV

If all monitored components are operating within the

selected operating parameters of the Static Monitor 790,

a green lamp will illuminate.

The Static Monitor 790 uses a modified version of the

6&6'XDO&RQGXFWRU:ULVWEDQG906HULHVDQGWKH

VWDQGDUG6&6'XDO&RQGXFWRU*URXQGLQJ&RUG6HH

$FFHVVRULHV6HFWLRQ

*Voltage alarm levels ±15%

**Ground disconnect ±20%

&$87,217KH6&66WDWLF0RQLWRUGRHVQRWKDYH

WKHFDSDELOLW\RIYHULI\LQJWKDWWKHJURXQGSRLQWLVD

VXLWDEOHJURXQG,I\RXDUHQRWVXUHZKDWDVXLWDEOH

JURXQGLVFRQWDFWDOLFHQVHGHOHFWULFLDQEHIRUH

installation.

TB-9015 Page 2 of 7

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Attaching Ground and Chassis Cords

7RROVUHTXLUHG±6PDOOEODGHVFUHZGULYHU

Refer to Figures 3 and 4 for this section.

Two-Wire Connector

AC Adapter Ground Wire

AC Adapter

DC Plug

790 Chassis/Ground Cord

Attach 3M

™

Static Monitor 790

Chassis/Ground Cord or AC Adapter

Ground Wire

7ZR:LUH&RQQHFWRU

AC Adapter

*URXQG:LUH

DC Plug

AC Adapter

Attach 790 Chasis/Ground

Cord or AC Adapter

*URXQG:LUH

*790 Chasis/Ground Cord

Figure 3. Attachment of Ground Cords.

1RWH3HUIRUP6WHSEHORZZKHQPRQLWRULQJGLUHFWO\WR

WKHJURXQGFRQQHFWLRQ)LJ$3HUIRUP6WHSZKHQ

monitoring the ground connection through a grounded

FKDVVLV)LJ%

Installation of Static Monitor 790 with Chassis

Terminal Connected Directly to Earth/Electrical

Ground

Determine how you want to ground the Static Monitor



D,I\RXDUHJURXQGLQJWKH6WDWLF0RQLWRUWKURXJK

WKH:LUH$&DGDSWRU1RUWK$PHULFDVXSSOLHG

SHUIRUPWKHIROORZLQJVWHSV

 $WWDFKWKHWLQQHGJURXQGZLUHRIWKH$&

adaptor to the ground terminal of the two-wire

 FRQQHFWRUE\LQVHUWLQJLWLQWRWKHRSHQLQJDQG

securing with screwdriver.

 $WWDFKRQHRIWKHVXSSOLHG6WDWLF0RQLWRU

 &KDVVLV*URXQG&RUGVWLQQHGHQGWRWKH

chassis terminal of the twowire connector in

the same manner.

 $WWDFKWKHULQJWHUPLQDOHQGRIWKH&KDVVLV

Ground Cord to an earth/electrical ground with

 DVFUHZQRWVXSSOLHG

 3OXJWKHWZRZLUHFRQQHFWRULQWRWKHMDFNDWWKH

rear of the Static Monitor 790.

E,I\RXDUHJURXQGLQJWKH6&66WDWLF0RQLWRU

through a Chassis/Ground Cord perform the following

VWHSV

 $WWDFKRQHRIWKHVXSSOLHG&KDVVLV*URXQG

 &RUGVWLQQHGHQGWRWKHJURXQGWHUPLQDORI

 WKHWZRZLUHFRQQHFWRUE\LQVHUWLQJLWLQWRWKH

opening and securing with screwdriver.

 $WWDFKWKHRWKHU&KDVVLV*URXQG&RUGWRWKH

chassis terminal of the two-wire connector in

the same manner.

 $WWDFKWKHULQJWHUPLQDOHQGVRIERWKFRUGV

 VHSDUDWHO\ZLWKWZRVFUHZVQRWVXSSOLHGWRDQ

earth/electrical ground.

 3OXJWKHWZRZLUHFRQQHFWRULQWRWKHMDFNDWWKH

rear of the Static Monitor 790.

&$87,21:KHQXVLQJWZR&KDVVLV*URXQG&RUGV

DWWDFKHDFKRIWKHFRUGVWRVHSDUDWHJURXQGERQGLQJ

SRLQWV%\DWWDFKLQJWKHFRUGVWRWKHVDPHJURXQGEXW

DWGLIIHUHQWSK\VLFDOORFDWLRQVWKHPRQLWRUFDQFKHFNIRU

loose or lost connections.

™

Static Monitor 790 Connected

Directly to Ground

™

Static Monitor 790 Connected through

Equipment Chassis Ground

Rear of 790 Monitor

AC Adapter

Ground Wire

or Chassis/Ground

Cord

AC Adapter

Ground Wire

or Chassis/Ground

Cord

Chassis/Ground

Cord

Chassis/GroundCord

Electrical Ground

Existing Equipment

Ground Wire

790 Connected

Directly to Ground

790 Connected through

Equipment Chassis Ground

Rear of

790 Monitor

AC Adapter

*URXQG:LUH

or Chassis/

Ground Cord

Chassis/

Ground Cord

Electrical Ground

AC Adapter

*URXQG:LUH

or Chassis/Ground

Cord

Chassis/Ground Cord

([LVWLQJ(TXLSPHQW

*URXQG:LUH

Figure 4. SCS Static Monitor 790 Connected Directly to

Ground or Through Equipment Chassis Ground.

Installation of SCS Static Monitor 790 with Chassis

Terminal Connected to a Grounded Equipment

Chassis

Determine how you want to ground the Static Monitor



D,I\RXDUHJURXQGLQJWKH6WDWLF0RQLWRUWKURXJK

the 3-wire AC adaptor supplied, perform the following

VWHSV

 $WWDFKWKHWLQQHGJURXQGZLUHRIWKH$&

adaptor to the ground terminal of the two-wire

 FRQQHFWRUE\LQVHUWLQJLWLQWRWKHRSHQLQJDQG

securing with screwdriver.

 $WWDFKRQHRIWKHVXSSOLHG&KDVVLV*URXQG

 &RUGVWLQQHGHQGWRWKHFKDVVLVWHUPLQDORI

the two-wire connector in the same manner.

 $WWDFKWKHULQJWHUPLQDOHQGRIWKH&KDVVLV

Ground Cord to the equipment chassis with a

 VFUHZQRWVXSSOLHG

 3OXJWKHWZRZLUHFRQQHFWRULQWRWKHMDFNDWWKH

rear of the Static Monitor 790.

E,I\RXDUHJURXQGLQJWKH6WDWLF0RQLWRUWKURXJKD

&KDVVLV*URXQG&RUGSHUIRUPWKHIROORZLQJVWHSV

 $WWDFKRQHRIWKHVXSSOLHG&KDVVLV*URXQG

 &RUGVWLQQHGHQGWRWKHJURXQGWHUPLQDORI

 WKHWZRZLUHFRQQHFWRUE\LQVHUWLQJLWLQWRWKH

opening and securing with screwdriver.

 $WWDFKWKHRWKHU&KDVVLV*URXQG&RUGWRWKH

chassis terminal of the two-wire connector in

the same manner.

TB-9015 Page 3 of 7

Employee Owned

SCS -5,QGXVWULDO'ULYH6DQIRUG1&:HEVLWHStaticControl.com

 $WWDFKWKHULQJWHUPLQDOHQGRIWKH&KDVVLV

Ground Cord connected to the ground terminal

 RIWKHWZRZLUHFRQQHFWRUZLWKDVFUHZQRW

 VXSSOLHGWRDQHDUWKHOHFWULFDOJURXQG

 $WWDFKWKHULQJWHUPLQDOHQGRIWKH&KDVVLV

Ground Cord connected to the chassis ground

terminal of the two-wire connector, with a

 VFUHZQRWVXSSOLHGWRDQHTXLSPHQWFKDVVLV

 3OXJWKHWZRZLUHFRQQHFWRULQWRWKHMDFNDWWKH

rear of the Static Monitor 790.

&$87,21:KHQXVLQJWZR&KDVVLV*URXQG&RUGV

DWWDFKHDFKRIWKHFRUGVWRVHSDUDWHJURXQGERQGLQJ

SRLQWV%\DWWDFKLQJWKHFRUGVWRWKHVDPHJURXQGEXW

DWGLIIHUHQWSK\VLFDOORFDWLRQVWKHPRQLWRUFDQFKHFNIRU

loose or lost connections.

Attaching the SCS Static Monitor

790 to a Workbench or Equipment

Chassis

Figure 5. Attachment of Mounting Plate to SCS Static

Monitor 790.

Figure 6. SCS Static Monitor 790 attached to

workbench.

Figure 7. SCS Static Monitor 790 attached to equipment

chassis.

Refer to Figures 5, 6, and 7

Locate the Mounting Plate.

$WWDFKWKH0RXQWLQJ3ODWHLQWKHGHVLUHGORFDWLRQXVLQJ

RQHRIWKHIROORZLQJPHWKRGV

 D)RDPWDSHDOUHDG\DSSOLHGWRWKH0RXQWLQJ

 3ODWH&OHDQWKHVXUIDFHWREHPRXQWHGWR

with isopropyl alcohol. Remove release liner

 IURPWDSHEHIRUHPRXQWLQJ

 E7ZRSDQKHDGPDFKLQHRUZRRGVFUHZV

 QRWVXSSOLHG

$WWDFKWKH6WDWLF0RQLWRUWRWKHPRXQWHGSODWHDV

shown in Figure 5. Align the plate with the opening on

WKHERWWRPRIWKHPRQLWRUDQGVOLGHIRUZDUGRQWRSODWH

until it latches.

,QSXW-DFN ,QSXW-DFN

OK Lamp

Fault Lamps

Figure 8. Front of SCS Static Monitor 790

Voltage

Selection

Switch

DC Power

Input Jack

Electrical

Ground

Chassis

Ground

Hi-Lo Volume

Level Switch

Voltage

Selection

Switch

DC Power

,QSXW-DFN

Electrical

Ground

Chasis

Ground

Hi-Lo Volume

Level Switch

Figure 9. Rear of SCS Static Monitor 790.

TB-9015 Page 4 of 7

Employee Owned

SCS -5,QGXVWULDO'ULYH6DQIRUG1&:HEVLWHStaticControl.com

Operating Your System

5HIHUWR)LJXUHVDQG

Power Up

$SSO\SRZHUWRWKH6&66WDWLF0RQLWRUE\LQVHUWLQJ

the round connector on the end of the AC adaptor, into

WKHMDFNDWWKHUHDURIWKH6WDWLF0RQLWRU3OXJWKH

AC adaptor into an appropriate electrical outlet. The

green lamp should illuminate, signaling that the unit is

operational and that there are no alarm conditions. If

WKHJUHHQODPSGRHVQRWLOOXPLQDWHEXWUHGODPSVDUH

LOOXPLQDWHGZLWKDXGLEOHDODUPVRXQGLQJFKHFNDOOFRUGV

and ground connections.

Audible Alarm Volume Level

6HOHFWWKHGHVLUHGDXGLEOHDODUPYROXPHOHYHODWWKHUHDU

RIWKH6WDWLF0RQLWRUE\VOLGLQJWKHVZLWFKWRWKH+L

or Lo position.

Selection of the Reference Voltage

The Static Monitor 790 allows for the selection of one of

IRXULQWHUQDOUHIHUHQFHYROWDJHV999DQG9ZLWK

9EHLQJWKHPRVWVHQVLWLYHVHWWLQJDQG9WKHOHDVW

VHQVLWLYH6HOHFWDYROWDJHOHYHOE\VOLGLQJWKHVZLWFK

WRWKHDSSURSULDWHSRVLWLRQ7KHVHUDQJHVKDYHEHHQ

GHVLJQHGWRDFFRPPRGDWHJOREDO(6'UHTXLUHPHQWV

7KHVHOHFWLRQRIWKLVRSHUDWLRQDOSDUDPHWHULVEDVHG

upon the user s ESD control program requirements.

Fault Conditions – Lamps & Audible Alarms

For wrist strap malfunctions, the Static Monitor 790

indicates different alarms for each operator; a slow

DXGLEOHEHHSIODVKLQJODPSIRUWKHRSHUDWRURQWKHOHIW

LQSXWVLGHDQGDIDVWDXGLEOHFKLUSLQJEHHSIODVKLQJODPS

for the operator on the right input side. For grounding/

chassis-monitoring malfunctions, a continuous tone is

HPLWWHGZLWKERWKODPSVLOOXPLQDWHG

D5HGODPSVIODVKLQJZLWKDQDXGLEOHDODUP

7KLVDODUPPRGHFDQEHFDXVHGE\WZRFRQGLWLRQV

DQGERWKDUHLQWHUUHODWHG,IHLWKHUWKHYROWDJHOHYHO

on the operator is greater than the pre-selected

LQWHUQDOUHIHUHQFHYROWDJHRUSRRUFRQWDFWEHWZHHQ

WKHZULVWEDQGDQGWKHDUPH[LVWWKHDODUPZLOO

activate.

If the SCS Static Monitor 790 alarm activates when

WKHRSHUDWRULVQRWPRYLQJQRUPDOO\DQRQFKDUJLQJ

VLWXDWLRQWKHFDXVHLVPRVWOLNHO\GXHWRSRRU

FRQWDFWEHWZHHQWKHZULVWEDQGDQGWKHDUP7KH

DODUPLQJSHULRGZRXOGQRUPDOO\EHORQJLQGXUDWLRQ

XQOHVVLQWHUPLWWHQWFRQWDFWGXULQJWKLVW\SHRI

FRQGLWLRQ&KHFNFRQWDFWEHWZHHQWKHZULVWEDQGDQG

arm. Some operators may have difficulty in providing

VXIILFLHQWFRQWDFWWRWKHZULVWEDQGEHFDXVHRIGU\

VNLQRUDUPKDLU7KH\PD\QHHGWRXVHDQDSSURYHG

VNLQPRLVWXUL]HURUUHSRVLWLRQWKHZULVWEDQGRQWKH

arm.

If the monitor’s alarm does not activate while the

operator is not moving, then the cause of the alarm

ZDVPRVWOLNHO\GXHWRDYROWDJHEHLQJGHYHORSHGRQ

WKHRSHUDWRU$KLJKUHVLVWDQFHEHWZHHQWKHRSHUDWRU

and ground would allow the operator to charge up as

WKH\PRYHGDERXW7KHDODUPSHULRGIRUWKLVW\SHRI

IDXOWZRXOGQRUPDOO\EHVKRUWDQGFRLQFLGHZLWKWKHLU

ERG\PRYHPHQW

$ODUPLQJFDQDOVREHFDXVHGE\DQLQWHUPLWWHQW

or high resistance in the wrist strap’s dual conductor

JURXQGFRUG5HSODFHDVXVSHFWFRUGZLWKDNQRZQ

JRRGJURXQGFRUGRUFKHFNWKHHQGWRHQGUHVLVWDQFH

RIWKHFRUGXVLQJDQRKPPHWHU$SSUR[LPDWHO\

PHJRKPRIUHVLVWDQFHVKRXOGH[LVWEHWZHHQWKHWLSWR

WLSDQGEDUUHOWREDUUHOFRQWDFWVRIWKHWZRSOXJV

located on opposite ends of the cord.

1RWH7KHRSHUDWRUVPD\FRPSODLQWKDWWKHDODUP

LVVRXQGLQJWRRRIWHQXQWLOWKH\OHDUQWRDGMXVWWKH

ZULVWEDQGWRILWVHFXUHO\RUDSSO\DQDSSURYHGVNLQ

PRLVWXUL]HURQDIUHTXHQWEDVLV3OHDVHUHPHPEHU

that the monitor is informing you that the operator is

H[FHHGLQJWKHHVWDEOLVKHGVWDWLFFRQWUROUHTXLUHPHQWIRU

voltage to ground when wearing a static protective wrist

VWUDSDVVHPEO\7KHVHDODUPVDOHUWWKHRSHUDWRUZKHQ

VHQVLWLYHHOHFWURQLFVDUHSRVVLEO\EHLQJH[SRVHGWR

static electricity. Prior to incorporating the static monitor

into your static control process, the operator was

unaware of these events.

E7ZRUHGODPSVLOOXPLQDWHGFRQWLQXRXVO\ZLWKDQ

DXGLEOHDODUP7KLVLQGLFDWHVWKDWDKLJKUHVLVWDQFH

FRQGLWLRQJUHDWHUWKDQRKPVH[LVWVEHWZHHQWKH

Chassis/Ground Cord and ground. This will include

WKHHTXLSPHQWFKDVVLVJURXQGLIEHLQJPRQLWRUHG

&KHFNWKHJURXQGFRUGVIRUFRQWLQXLW\DQGJURXQG

attachment points.

Connecting an Operator to the SCS

Static Monitor 790

$WWDFKD6&6'XDO&RQGXFWRU:ULVWEDQGWRWKH

DUPDQGDGMXVWWKHEDQGIRUDVQXJILWIROORZLQJWKH

LQVWUXFWLRQVUHFHLYHGZLWKWKHZULVWEDQG

,QVHUWD'XDO&RQGXFWRU*URXQG&RUGORQJHUSOXJ

HQGLQWRHLWKHURQHRIWKHLQSXWMDFNVORFDWHGRQ

the front of the Static Monitor 790. The wrist strap

monitoring function is activated during this step.

7KHJUHHQODPSH[WLQJXLVKHVDWWKLVWLPHDQGWKH

FRUUHVSRQGLQJUHGODPSZLOOLOOXPLQDWHZLWKDQDXGLEOH

alarm.

,QVHUWWKHRWKHUHQGRIWKHJURXQGFRUGVKRUWHUSOXJ

HQGLQWRWKHZULVWEDQGVRFNHW7KHUHGODPSDQGWKH

DXGLEOHDODUPVKRXOGEHH[WLQJXLVKHGDWWKLVWLPH

1RWH)ROORZLQJWKHDWWDFKPHQWVHTXHQFHDERYH

SURYLGHVDQRSHUDWRUVZLWKDVLPSOHJRQRJRWHVWRI

the wrist strap function every time they connect to the

Static Monitor 790.

TB-9015 Page 5 of 7

Employee Owned

SCS -5,QGXVWULDO'ULYH6DQIRUG1&:HEVLWHStaticControl.com

Quick Review of Functions

,IWKHPRQLWRU¶VJURXQGFRQQHFWLRQLVPDLQWDLQHG

LQFOXGLQJWKHFKDVVLVJURXQGFRQQHFWLRQZKHQ

PRQLWRUHGDQGWKHRSHUDWRU¶VYROWDJHLVKHOGEHORZ

WKHSUHVHOHFWHGUDQJHWKHFRUGZULVWEDQGDQG

contact to the arm of the wearer are all considered to

EHIXQFWLRQLQJFRUUHFWO\$WWKLVWLPHWKHJUHHQODPS

illuminates on the front of the monitor.

,IDQRSHUDWRUVGHYHORSVDYROWDJHWKDWH[FHHGV

WKHSUHVHOHFWHGYROWDJHGXULQJQRUPDOZRUNDFWLYLWLHV

or the monitor loses its ground connection, the green

ODPSH[WLQJXLVKHVDQGUHGODPSVZLOOLOOXPLQDWHZLWK

DFRUUHVSRQGLQJDXGLEOHDODUP7KLVLVDQLQGLFDWLRQ

RIDQH[FHHGHGYROWDJHFRQGLWLRQRQWKHRSHUDWRUGXH

WRSRRUHOHFWULFDOFRQWDFWEHWZHHQWKHDUPDQGEDQGRU

LQWHUPLWWHQWRUEURNHQJURXQGFRUG

$QRSHUDWRU¶VIDXOWFRQGLWLRQLVHDVLO\LGHQWLILHGE\

RQHRIWKHWZRUHGODPSVQH[WWRHDFKLQSXWMDFN

7KHIODVKLQJUHGODPSVLGHQWLILHVWKHRSHUDWRUWKDW

LVH[SHULHQFLQJWKHIDXOWFRQGLWLRQ7KHUHGODPSVDQG

DXGLEOHDODUPVIODVKDQGEHHSDWGLIIHUHQWUDWHVWRKHOS

identify the location of the fault.

SCS Standby Jack 3057

8VHRIDQRSWLRQDO6WDQGE\-DFNDWWKH

ZRUNVWDWLRQH[WHQGVWKHOLIHRIWKHPRQLWRUVLQSXW

MDFNV7KHRSHUDWRUGLVFRQQHFWVWKHJURXQGFRUGIURP

WKHZULVWEDQGDQGSOXJVLQWRWKH6WDQGE\-DFN

WKDWLVPRXQWHGDWWKHZRUNVWDWLRQ3OXJJLQJLQWRWKH

6WDQGE\-DFNSUHYHQWVWKH6WDWLF0RQLWRU

from continuously alarming when disconnected from the

ZULVWEDQG

Verification Procedure

This procedure verifies the positive/negative voltage

detection levels and ground monitoring performance of

the SCS Static Monitor 790 as stated in, Specifications

section of this user guide.

(TXLSPHQW5HTXLUHG±6XSSOLHGE\8VHU

'&3RZHU6XSSO\'&36ZLWKFRQQHFWLQJZLUHV

Output 0 to +10VDC minimum.

'&9ROWPHWHU'&9ZLWKGLJLWDOGLVSOD\DFFXUDF\

and test leads. Use of a voltmeter is only required if

DCPS does not include a digital display.

5HVLVWDQFH6XEVWLWXWLRQ%R[56%RKPVWR

RKPVPLQLPXPRUGLVFUHWHUHVLVWRUVDQG

ohms ±1% value.

6&69HULILFDWLRQ.LW9.2UGHUHG6HSDUDWHO\

6&6'XDO&RQGXFWRU*URXQG&RUG

7ZRZLUHPDOHFRQQHFWRUZLWKWLQQHGOHDGZLUHV

7HVWZULVWEDQGVRFNHW

Procedure:

*URXQG'LVFRQQHFW+L/R$XGLEOH$ODUP9ROXPH

/HYHO)XQFWLRQV*URXQG'LVFRQQHFW6SHFLILFDWLRQ

10 ohms ±20%

 D&RQQHFWWKH56%WRWKHWZRZLUHPDOH

 FRQQHFWRUZLWKWLQQHGOHDGZLUHV,QVHUW

the two-wire male connector into the mating

 MDFNORFDWHGDWWKHUHDURIWKHPRQLWRU

 E&RQQHFWWKH$&DGDSWRUVXSSOLHGZLWKWKH

Static Monitor 790 to the 25VDC input

 SRZHUMDFNORFDWHGDWWKHUHDURIWKHPRQLWRU

and plug the AC adaptor into a wall outlet.

 F6HWWKH56%DVIROORZVDQGREVHUYHDOOODPSV

 DQGDXGLEOHDODUP

 RKPV±*UHHQODPS215HGODPSV2))

 DQGDXGLEOHDODUP2))

 RKPV±*UHHQODPS2))5HGODPSVERWK

 21&RQWLQXRXVLOOXPLQDWLRQDQGDXGLEOH

 DODUP21&RQWLQXRXVWRQH

1RWH&RQILUP+LDQG/RDXGLEOHDODUPYROXPHOHYHOV

GXULQJRKPVWHVWFRQGLWLRQE\DGMXVWLQJ+L/RVOLGH

switch located at the rear of the monitor while alarm is

sounding.

:ULVW6WUDS)XQFWLRQ±2SHQ&LUFXLW7HVW

 D$GMXVWWKH56%FRQQHFWHGWRWKHWZRZLUH

 PDOHFRQQHFWRUWRRKPVRUOHVVWRVLOHQFH

the Ground Disconnect alarm. The green

 ODPSVKRXOGEH21DWWKLVWLPH

 E&RQQHFWWKH6&6'XDO&RQGXFWRU&RUG

 ORQJHUSOXJHQGLQWRRQHRIWKHZULVWVWUDS 

inputs on the SCS Static Monitor 790.

 /HDYHWKHRWKHUHQGRIWKHFRUGVKRUWHUSOXJ

 HQGRSHQFLUFXLWHGDWWKLVWLPH9HULI\WKDW

the green lamp is now OFF, red lamp nearest

 WKHZULVWVWUDSLQSXWEHLQJWHVWHGLVIODVKLQJ

 DQGWKDWWKHDXGLEOHDODUPLVVRXQGLQJ

1RWH7KHUHGODPSRQWKHOHIWVLGHRIWKHPRQLWRU

flashes at a slower rate than the lamp located on the

ULJKW$OVRWKHDXGLEOHDODUPZLOOVRXQGDWWKHVDPH

UDWHDVWKHLQGLFDWLQJIODVKLQJUHGODPSV7KLVIXQFWLRQ

allows for identifying the fault location.

 F5HSHDWWKLVVWHSIRUWKHRWKHUZULVWVWUDS

 LQSXWYHULI\LQJSHUIRUPDQFHDVVWDWHGDERYH

Voltage Level Test

9/HYHO6SHFLILFDWLRQ999DQG9



 G8QSOXJWKH$&DGDSWRUIURPWKHZDOORXWOHW

 H$GMXVW'&36RXWSXWWR9'&

 I&RQQHFWDZLUHEHWZHHQWKHSRVLWLYHRXWSXW

 WHUPLQDORIWKH'&36DQGWRRQHRIWKHEDFN

 SODWHVRIWKHWHVWZULVWEDQGVRFNHW&RQQHFW

 DZLUHEHWZHHQWKHFRPPRQRIWKH'&36WR

 WKHRWKHUEDFNSODWHRIWKHWHVWZULVWEDQG

 VRFNHW

1RWH%HFDUHIXOQRWWRFDXVHDVKRUWFRQGLWLRQEHWZHHQ

the two connecting wires.

TB-9015 Page 6 of 7

Employee Owned

SCS -5,QGXVWULDO'ULYH6DQIRUG1&:HEVLWHStaticControl.com

 J,QVHUWWKH'XDO&RQGXFWRU&RUGVKRUWHUSOXJ

 HQGLQWRWKHWHVWZULVWEDQGVRFNHWDQGWKH

 RWKHUHQGRIWKHFRUGORQJHUSOXJHQGLQWR

one of the wrist strap inputs on the front of

the Static Monitor 790.

 K3OXJWKH$&DGDSWRULQWRWKHZDOORXWOHW

Voltage Level Tolerances

V-Level Switch +15% -15%

1V 1.15VDC 9'&

3 V 3.45VDC 2.55VDC

6 V 6.9VDC 5.1VDC

9 V 10.35VDC 7.65VDC

 L6HOHFWWKH9OHYHOXVLQJDVPDOOWLSWRRORQ

the V-Level switch located at the rear of the

monitor.

 M$FWLYDWHWKHRXWSXWRIWKH'&36DQGDGMXVWWR

1.15VDC. Verify that the green lamp has

turned OFF, red lamp nearest the wrist strap

 LQSXWEHLQJWHVWHGLVIODVKLQJDQGWKDWWKH

 DXGLEOHDODUPLV21

1RWH7KHUHGODPSRQWKHOHIWVLGHRIWKHPRQLWRU

flashes at a slower rate than the lamp located on the

ULJKW$OVRWKHDXGLEOHDODUPZLOOVRXQGDWWKHVDPH

UDWHDVWKHLQGLFDWLQJIODVKLQJUHGODPSV7KLVIXQFWLRQ

allows for identifying the fault location.

 N$GMXVWWKH'&36WR9'&9HULI\WKDW

the green lamp is ON, red lamp nearest the

 ZULVWVWUDSLQSXWEHLQJWHVWHGLV2))DQG

 WKDWWKHDXGLEOHDODUPLV2))

 O5HSHDWVWHSV-.KRZHYHUQRZ

 DGMXVWLQJWKH6&66WDWLF0RQLWRUIRU

V-Levels of 3, 6, and 9VDC and the DCPS

to the appropriate voltage level tolerances as

 VWDWHGLQWKHDERYHWDEOH$ODUPLQGLFDWLRQV

 ZLOOIROORZDVVWDWHGLQWKH9OHYHOFKHFN

 P5HSHDWVWHSV-/XVLQJWKHRWKHUZULVW

strap input on the SCS Static Monitor 790,

 YHULI\LQJSHUIRUPDQFHDVVWDWHGDERYH

 Q&KDQJHYROWDJHSRODULW\WRWKHZULVWEDQG

 WHVWVRFNHWE\UHYHUVLQJWKHZLUHVSUHYLRXVO\

 FRQQHFWHGLQVWHSIDERYHDWWKHWHVWVRFNHW

or at the output terminals of the DCPS and

 YHULI\SHUIRUPDQFHUHSHDWLQJVWHSV,0

Specifications

Dimensions

+[:['PP[

PP[PP

:HLJKW R]J

Power Supply

Requirements*

,QSXW9$&1RUWK$PHULFD

2XWVLGH1RUWK$PHULFD$VUHTXLUHG

2XWSXW9'&#P$UDWHGORDG

2XWSXW3OXJ3RODUL]DWLRQ&HQWHU

Negative

2XWSXW3OXJ'LPHQVLRQVPP

2'[PP,'[PP/HQJWK

Accuracy The following parameters are valid

for altitudes up to 2000 m. Pollution

GHJUHH&ODVV(TXLSPHQW

9ROWDJH'HWHFWLRQ/HYHOV9

3V, 6V, and 9V ±10%

*URXQG'LVFRQQHFWRKPV

(QYLURQPHQWDO2SHUDWLQJ&RQGLWLRQV

7HPSHUDWXUH0D[LPXP)&

0LQLPXP)&

+XPLGLW\0D[LPXP5+

5HIHUHQFH+HOPV0DQ,QGXVWULDO&R/WG0RGHO1R

DPX411454G

&$87,213XUFKDVHGSRZHUVXSSO\PXVWKDYHDOOORFDO

required regulatory certifications. Line voltage within

WKHSRZHUVXSSO\VKDOOEHLVRODWHGIURPORZYROWDJH

E\GRXEOHRUUHLQIRUFHGLQVXODWLRQ7KH$&DGDSWRULV

required to operate the Static Monitor 790. If the ground

wire of the AC adaptor is not used, it is recommended

WKDWWKHZLUHEHWDSHGEDFNRQWRWKHPDLQFDEOHRIWKH

AC adaptor using electrical tape.

Parts Included

1 ea. SCS Static Monitor 790

1 ea. User’s Guide

HD0RXQWLQJ3ODWHZLWK5HPRYDEOH)RDP7DSH

1 ea. AC Adaptor

2 ea. Chassis/Ground Cords

1 ea. Two-wire Connector

TB-9015 Page 7 of 7

Employee Owned

SCS -5,QGXVWULDO'ULYH6DQIRUG1&:HEVLWHStaticControl.com

Required Accessories and Optional

Available Parts

Item

Description Size

90 SCS Dual Conductor

)DEULF:ULVWEDQG

$GMXVWDEOH

2360 SCS Dual Conductor

Coil Cord

P

2370 SCS Dual Conductor

Coil Cord

P

2371 SCS Dual Conductor

Coil Cord

P

3057 6&66WDQG%\-DFN [[

[[FP

790VK 6&69HUL¿FDWLRQ.LW

724P SCS Power Supply

Replacement AC

Adapter

Regulatory Information

China RoHS

Electronic Industry Standard of the

3HRSOH¶V5HSXEOLFRI&KLQD6-

T11363-2006, Requirements for

Concentration Limits for Certain

+D]DUGRXV6XEVWDQFHVLQ(OHFWURQLF

Information Products.

7KLVV\PEROSHU0DUNLQJIRUWKH&RQWURORI3ROOXWLRQ

&DXVHGE\(OHFWURQLF,QIRUPDWLRQ3URGXFWV6-

T11364-2006, means that the product or part does

FRQWDLQDVXEVWDQFHDVGHWDLOHGLQWKHFKDUWEHORZLQ

H[FHVVRIWKHIROORZLQJPD[LPXPFRQFHQWUDWLRQYDOXHV

LQDQ\KRPRJHQHRXVPDWHULDODE\ZHLJKWIRU

OHDGPHUFXU\KH[DYDOHQWFKURPLXPSRO\EURPLQDWHG

ELSKHQ\OVRUSRO\EURPLQDWHGGLSKHQ\OHWKHUVRUE

E\ZHLJKWIRUFDGPLXP8QOHVVRWKHUZLVHVWDWHG

E\6&6LQZULWLQJWKLVLQIRUPDWLRQUHSUHVHQWV6&6¶V

EHVWNQRZOHGJHDQGEHOLHIEDVHGXSRQLQIRUPDWLRQ

SURYLGHGE\WKLUGSDUW\VXSSOLHUVWR6&6

7KLVQXPHULFDOUHIHUHQFHVKRXOGQRWEHFRQVWUXHG

as a representation regarding the product’s life or

DQH[WHQVLRQRIDSURGXFWZDUUDQW\,QWKHHYHQWDQ\

product is proven not to conform with SCS’s Regulatory

,QIRUPDWLRQ6KHHWWKHQ6&6¶VHQWLUHOLDELOLW\DQGEX\HU¶V

H[FOXVLYHUHPHG\ZLOOEHDW6&6¶VRSWLRQHLWKHUL

replacement of product with a conforming product,

RULLUHIXQGRIWKHSXUFKDVHSULFHSDLGE\EX\HUIRU

HDFKQRQFRQIRUPLQJSURGXFWZLWKLQDUHDVRQDEOHWLPH

after written notification of said nonconformance and

return of said product to SCS. SCS shall not under any

FLUFXPVWDQFHVEHOLDEOHIRUGLUHFWLQFLGHQWDOVSHFLDORU

FRQVHTXHQWLDOGDPDJHVLQFOXGLQJEXWQRWOLPLWHGWRORVV

RISURILWVUHYHQXHRUEXVLQHVVUHODWHGWRRUDULVLQJRXW

RIWKLVFHUWLILFDWLRQLQFOXGLQJWKHXVHPLVXVHRULQDELOLW\

to use the product. Unless stated otherwise in writing,

WKHIRUHJRLQJODQJXDJHFDQQRWEHZDLYHGPRGLILHGRU

supplemented in any manner whatsoever.

WEEE Statement

7KHIROORZLQJLQIRUPDWLRQLVRQO\IRU(8PHPEHU6WDWHV

7KHPDUNVKRZQWRWKHULJKWLVLQFRPSOLDQFHZLWK:DVWH

Electrical and Electronic Equipment Directive 2002/96/

(&:(((7KHPDUNLQGLFDWHVWKHUHTXLUHPHQW127

to dispose the equipment as unsorted municipal waste,

EXWXVHWKHUHWXUQDQGFROOHFWLRQV\VWHPVDFFRUGLQJWR

local law.

cULus Statement

Meets UL Safety Requirements.

FCC

1RWH7KLVHTXLSPHQWKDVEHHQWHVWHGDQGIRXQGWR

comply with the limits for a Class A digital device,

pursuant to Part 15 of the FCC Rules. These limits are

GHVLJQHGWRSURYLGHDUHDVRQDEOHSURWHFWLRQDJDLQVW

harmful interference when the equipment is operated in

a commercial environment. This equipment generates,

uses, and can radiate radio frequency energy and, if not

installed and used in accordance with the instruction

manual, may cause harmful interference to radio

communications. Operation of this equipment in a

UHVLGHQWLDODUHDLVOLNHO\WRFDXVHKDUPIXOLQWHUIHUHQFH

LQZKLFKFDVHWKHXVHUZLOOEHUHTXLUHGWRFRUUHFWWKH

LQWHUIHUHQFHDWWKHLURZQH[SHQVH

1RWH0RGLILFDWLRQVWRWKLVGHYLFHVKDOOQRWEHPDGH

ZLWKRXWWKHZULWWHQFRQVHQWRI6&68QDXWKRUL]HG

modifications may void the authority granted under

Federal Communication Rules and Industry Canada

Rules permitting the operation of this device.

This device complies with Part 15 of the FCC Rules.

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this device may not cause harmful interference, and

WKLVGHYLFHPXVWDFFHSWDQ\LQWHUIHUHQFHUHFHLYHG

including interference that may cause undesired

operation.

ICES Statement

This Class A digital apparatus meets all requirements

of the Canadian Interference-Causing Equipment

Regulations.

Cet appareil numérique de la classe A respecte toutes

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Canada.

Made in China

Limited Warranty, Warranty Exclusions, Limit of

Liability and RMA Request Instructions

6HHWKH6&6:DUUDQW\

KWWSVWDWLFFRQWUROGHVFRLQGXVWULHVFRPZDUUDQW\DVS[

SCS Static Monitor 790 User manual

SCS Static Monitor 790 User manual

SCS Static Monitor 790 User manual

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