Omega FMA-2600A Series Owner's manual

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FMA-2600/FVL-2600 SERIES
Mass and Volumetric
Flow Controllers
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User’s Guide
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The information contained in this document is believed to be correct, but OMEGA accepts no liability for any errors it contains,
and reserves the right to alter specifications without notice.
Servicing North America:
U.S.A. Omega Engineering, Inc.
Headquarters: Toll-Free: 1-800-826-6342 (USA & Canada only)
Customer Service: 1-800-622-2378 (USA & Canada only)
Engineering Service: 1-800-872-9436 (USA & Canada only)
Tel: (203) 359-1660 Fax: (203) 359-7700
For Other Locations Visit omega.com/worldwide
3
Thank you for purchasing an Omega FMA-2600A Series Gas Flow Controller.

help to ensure that you get the best possible service from your instrument. This
manual covers the following Omega instruments:
FMA-2600A Mass Gas Flow Controllers
FMA-LP2600A Low Pressure Drop Mass Gas Flow Controllers
FMA-2600A-LSS Mass Gas Flow Controllers
FMA-2600A-LSS Flow Controllers are for use with certain aggressive gases
(see page 67)
FMA-2600A-P Mass Gas Flow Controllers



the above instruments.



4
TABLE OF CONTENTS Page
GETTING STARTED 6
MOUNTING 6
PLUMBING 7
PRESSURE 7
POWER AND SIGNAL CONNECTIONS 8
INPUT SIGNALS 9
Analog Input Signal 9
 
OUTPUT SIGNALS 
 
 
 
 
 
 
DISPLAYS AND MENUS 
MAIN 
Gas Absolute Pressure 
Gas Temperature 
Set-Pt. 
 
Mass Flow Rate 
Flashing Error Message 
SELECT MENU 
CONTROL SETUP 
Set-Point Source 
 
 
PID Tuning 20
GAS SELECT 22
Composer 23
COMMUNICATION SELECT 
Unit ID 
 
MISCELLANEOUS 26
 26
 26
Pressure Averaging 26
Flow Averaging 26
LCD Contrast 26
MISC2 27
STP/NTP 27
DIAG TEST 28
Rotate Display 28
 28
MANUFACTURER DATA 29
TABLE OF CONTENTS Page
 30
 
 
 
 32
 32
 33
Gas Select 34
 
 36
Data Format 36
 37
 37
 38
 39
 47
 49
 
 
Batch Processing 
 
Accessories 
 
 
 
 67
Eight Pin Mini-DIN Pin-Out 72
DB15 Pin-Out Diagrams 73
Warranty / Returns See Inside of Back Cover
6
GETTING STARTED
upstream



MOUNTING









Control Valve 8 Pin MiniDIN
Display Screen



Power Jack
7
PLUMBING












Do not wrap


compounds can cause permanent damage to the controller should they get



from entering the measurement head of the instrument. Suggested maximum




PRESSURE



CAUTION! 


8
POWER AND SIGNAL CONNECTIONS

Mini-DIN connector.


Small Valve
 4-20mA analog output

Large Valve 

Standard 8 Pin Mini-DIN Pin-Out
Pin 
Mini-DIN


Black
2


Brown
3  
4

Controllers = Analog Set-Point Input
Orange
 Yellow
6  Green
7  Blue
8  Purple



CAUTION! 





1 2
3 4 5
6 7 8
9
INPUT SIGNALS
Analog Input Signal
Apply analog input to Pin 4 as shown on page 8.

Standard 0-5 Vdc



7
6
5
4
3
2
1
8
5.12 Vdc
50 KOhm
Potentiometer
0-5 Vdc








CAUTION! 















9 8 7 6

9876
15 3 24
1 532 4
 PC Serial Port

1
8
7
6
5
4
3
2
 8 Pin MiniDIN Connector
 
Pin   Pin
  8
3 Transmit Receive 3
2 Receive Transmit

OUTPUT SIGNALS





Standard Voltage (0-5 Vdc) Output Signal

have this output signal available on Pin 6. This output is generally available in























CAUTION! 







CAUTION! 



5
3
2
Purple
Red
Yellow
Purple
Red
Yellow
5
4
3
2
1
9
8
7
6
Unit C
Unit B
Unit A
Female Serial Cable Front
Purple (Ground)
Red
Yellow






GREEN

WHITE

RED

YELLOW



contrast.



Technical Data for TFT (Color Display) Meters, Gauges and Controllers
TFT 




 Meter or
Gauge
Small Valve
Controller
Large Valve
Controller
   
Supply Current 



780 mA @


#C
+21.50
+0.00
CCM
MENU/
TOTAL
SETPT
0.000
SCCM
Air
PSIA
+13.60
+0.00
SCCM
Main
+0.00
SETPT
0123.4
MENU/
MAIN
SCCM
+123.4
TOTAL/
TIMER
REMAIN RESET
2:05 h:m:s
00123.45
Scm3
The Main



parameter will make that parameter

MENU

enter the Select Menu


TOTAL
MENU
will bring up the Select Menu
DISPLAYS AND MENUS
Main

Select Menu
From Select Menu you can change




Push MAIN

CONTROL
SETUP
RS232
COMM
MFG
DATA
MAIN
MISC
GAS
SELECT
Select Menu

MAIN
This 

parameter.


 This sensor


local atmospheric pressure. This parameter

PSIA.







controllers measure the incoming



°C.

select F (Fahrenheit)
or R (Rankine) for the temperature scale.






Set Point The set-point (SETPT


CCM in this

#C
+21.50
+0.00
CCM
MENU/
TOTAL
SETPT
+0.00
SCCM
Air
PSIA
+13.60
+0.00
SCCM
DOWN
CANCEL SET
>#C
K
#F
#R
UP
+0.00
         
   
          
 
            






SCCM
S.


 Pressing MENU switches the screen to the Select Menu
 An error message (MOVVOV
POVTOV = temperature




.

CONTROL
SETUP
RS232
COMM
MFG
DATA
MAIN
MISC
GAS
SELECT
SELECT MENU



Miscellaneous

Control Setup
Main
Manufacturer Data

Gas Select
MODEL
INFO
BACK MAIN1
OMEGA
Ph 800-826-6342
Fax 203-359-7700
LOOP
VAR
- ON -
AUTO
TARE
PID
MAIN
SETPT
SOURCE
MISC2
BACK
DEVICE
UNITS
MAIN
MISC1
BACK MAIN
UNIT ID
A
BAUD
19200
SETPT
+0.00
Select Menu
DOWN
CANCEL SELECT
PAGE
>Recent
Standard
Factory Custom
COMPOSER User Mixes
Bioreactor
Breathing
Chromatography
Fuel
UP
#C
+21.50
+0.00
CCM MAIN
SETPT
0.000
SCCM
Air
PSIA
+13.60
+0.00
SCCM
+ 0.00

CONTROL SETUP
Control Setup





SETPT SOURCE 
above SETPT SOURCE will allow you to

to your controller.



Press CANCEL to return to the previous

The controller will ignore any set-point







Front Panel 

Front Panel input must be selected
prior to changing the set-point at

Analog refers to a remote analog set-







 If your controller has the IPC

SETPT refers to the set-point
only if FRONT PANELSETPT. Then use SELECT to


DOWN
CANCEL SET
UP
MODE
>Serial/ FRONT PANEL
ANALOG
LOOP
VAR
- ON -
AUTO
TARE
PID
MAIN
SETPT
SOURCE
SETPT
+0.0

CAUTION! 




LOOP VAR


Pressing the LOOP VAR
Control Setup screen will allow you to





with the control valve upstream of the

can be set to control on outlet pressure
(absolute pressures only) or volumetric

The change from mass to volume can


When you change from controlling


See
page 20 – PID TUNING.
Contact Omega if you are having
dicules with this procedure.
ON AUTO / OFF AUTO—







DOWN
CANCEL SET
UP
MODE
>Mass Flow
Volumetric Flow
BAbs Pressure
LOOP
VAR
-ON-
AUTO
TARE
PID
MAIN
SETPT
SOURCE
SETPT
+0.0
20
PID TUNING




All units leave the factory with a generic



parameters may resolve the problem.


terms of the PID control loop.

PID.
Press LOOP TYPE.

PID control algorithm. Press SET.



P 
PID loop.
I refers to the Integral term of the PID loop.
D
loop.







value so that it can be returned to




I
00000
BACK
LOOP
TYPE
MAIN
P
00100
D
02501
DOWN
CANCEL SET
UP
MODE
> PD PID
PD2I PID
LOOP
VAR
-ON-
AUTO
TARE
PID
MAIN
SETPT
SOURCE
SETPT
+0.0
/