ACT PNP100 User manual

Brand: ACT

Model: PNP100

Type: User manual

ADVANCED CONTROL TECHNOLOGIES, INC.

Indianapolis, Indiana 46278 (800) 886-2281

PNP100 Installation Instructions

P/D 061898

1032-01

INSTALLATION

READ THESE INSTRUCTIONS BEFORE YOU BEGIN INSTALLATION.

Ground yourself before touching board. Some components are static sensitive.

MOUNTING:

Circuit board may be mounted in any position. If circuit board slides out of snap track, a nonconductive “stop”

may be required.

Use only fingers to remove board from snap track. Slide out of snap track or push against side of snap track

and lift that side of the circuit board to remove. Do not flex board. Use no tools.

POWER CONNECTIONS - THIS PRODUCT ACCEPTS 24 VOLTS AC OR DC POWER.

Be sure to follow all local and electrical codes. Refer to wiring diagram for connection information.

1) The secondary supply voltage to the interface should be isolated from earth ground, chassis ground, and

neutral leg of the primary winding. Any field device connected to this transformer must use the same common.

If you are not sure of other field device configuration, use separate transformers. Failure to follow these

procedures can result in improper operation.

2) If the 24 volt AC power is shared with devices that have coils such as relays, solenoids, or other inductors,

each coil must have an MOV, AC Transorb, or other spike snubbing device across each of the shared coils.

Without these snubbers, coils produce very large voltage spikes when de-energizing that can cause

malfunction or destruction of electronic circuits.

3) If the 24 volt DC power is shared with devices that have coils such as relays, solenoids, or other inductors,

each coil must have an MOV, DC Transorb, or a diode placed across the coil or inductor. The cathode or

banded side of the diode (or DC Transorb) connects to the positive side of the power supply.

LonWorks Modulated High Pressure Pneumatic Node

PNP100

ADVANCED CONTROL TECHNOLOGIES, INC.

Indianapolis, Indiana 46278 (800) 886-2281

PNP100 Installation Instructions

P/D 061898

1032-01

4) You should measure the actual voltage output of the secondary. If the output is not fully loaded you may read

a higher voltage than the circuit board can handle. Do not apply power without main air supply provided.

Warranty does not include malfunction due to clogged valve. Main air port is filtered with the supplied 80-

100 micron integral-in-barb filter. Periodically check the filter for contamination and flow reduction, and

clean with a brush or replace if needed (Part # PN004).

The surface between the manifold and pressure transducer is a pressure seal. Minimize stress between the circuit

board and the manifold by holding the manifold in one hand while installing pneumatic tubing onto the fittings,

and use care when removing tubing to avoid damaging fittings or moving manifold.

This unit requires at least two cubic inches (minimum) of branch air line capacity to operate without oscillation.

Field calibration voids warranty.

CHECKOUT

Connect LonWorks network twisted pair. With power off, connect power to 24V (+) and C (-).

Supply power and the LED power indicator will light and the green LED will blink once rapidly and turn

off. This indicates the PNP100 is functioning properly. Any other LED action indicates a malfunction.

Apply minimum and maximum input signals and measure response. Response between the minimum

and maximum values will be linear, therefore software algorithms are easy to derive. The PNP100

can be interrogated over the LonWorks bus for the actual output pressure.

The green LED will illuminate when the service switch is pressed to identify the node to the network,

and anytime a WINK command is received.

The PNP100 incorporates two valves and is not a constant bleed controller. Its branch exhaust flow

and response time is not limited by an internal restrictor and is similar to its load rate.

If power to the PNP100 is lost, the PNP100 will not exhaust air from the branch line.

The PNP100 is ideal for long branch line runs, multiple actuators, and outside air dampers because

of it’s 1800 scim capacity.

PROTOCOL

To control output pressure :

NV2 network input SNVT_press nvi01Pressure

This variable controls the output pressure on the PNP100.

Units : kilopascals (kPa)

Range : 137.9 kPa - 689 kPa

To monitor output pressure :

NV3 network output SNVT_press nvo02Pressure

This variable monitors the output pressure of the PNP100

Units : kilopascals (kPa)

Range : 137.9 kPa - 689 kPa

Conversion Factor: .145 PSI = 1 kPa

1 PSI = 6.894 kPa

ADVANCED CONTROL TECHNOLOGIES, INC.

Indianapolis, Indiana 46278 (800) 886-2281

PNP100 Installation Instructions

P/D 061898

1032-01

Leak Test alert :

NV4 network output boolean nvohigh_state;

NV5 network output boolean nvilow_state;

These variables contain the status of the leak test function of the PNP100.

If nvohigh_state contains a 1 value than there is a potential leak up failure.

If nvolow_state contains a 1 value than there is a potential leak down failure.

Configuration Properties :

NV7 network input SNVT_press nciOffset;

This variable will add an offset to nvo02Pressure.

NV8 network input SNVT_muldiv nciGain;

This variable will multiply or/and divide nvo02Pressure.

LonMark Utilities :

NV0 network input nvi00Request.

NV1 netwrk output nvo00Status:

NV 6 network input SNVT_time_sec nciMaxStsSendT.

Supply Voltage 24 VAC (+/- 10%) or 24 VDC (+10/-5%)

Supply Current 150 mA maximum

Air Supply Pressure 757.9 kPa (110 psig) maximum, operating 689 kPa (100 psig)

Air Consumption None at Setpoint

Output Pressure Range Calibrated for 137.9 to 689 kPa (20-100 psig)

ACT PNP100 User manual

ACT PNP100 User manual

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