IN-GE-GTAR2XXX-01-02 02/19
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INTRODUCTION
The analog relay module accepts an analog voltage or current signal and controls four output
relays. The input signal has three jumper selectable ranges for either 0-7.5 Vdc, 0-15 Vdc, or 0-20
mA. Each relay has an independently adjustable set-point which is set with a multi-turn trim
pot.
Each form-C relay activates when the input signal is equal to the trip set-point and deactivates
when the input signal falls below the set-point by a deadband amount. The deadband is also
jumper selectable for 1, 3, or 5% of the range.
Features include a regulated power output that can be used to power a transducer or a
resistance input, top-adjust trim-pots for set-point adjustment, an LED power indicator, status
LEDs for each relay and 10 Amp form-C relays. The product comes with standard snap-track for
easy mounting.
BEFORE INSTALLATION
Read these instructions carefully before installing and commissioning the device. Failure to follow these instructions may result in product
damage. Do not use in an explosive or hazardous environment, with combustible or flammable gases, as a safety emergency stop device
or in any other application where failure of the product could result in personal injury.
Take electrostatic discharge precautions during
installation and do not exceed the device ratings.
ANALOG RELAY MODULE
GT-AR2 Series - Installation Instructions
WIRING
•
Deactivate the 24 Vac/dc power supply until all connections are made to the device to prevent electrical shock or equipment damage. Follow
proper electrostatic discharge handling procedures when installing the device or equipment damage may occur.
•
Use 22 AWG shielded wiring for all connections and do not locate the device wires in the same conduit with wiring used to supply inductive
loads such as motors. Make all connections in accordance with national and local codes.
•
Connect the plus DC or AC voltage hot side to the PWR terminal. The supply common is connected to the COM terminal. The supply common
is connected to the COM terminal. The device is reverse voltage protected and will not operate if connected backwards. It has half-wave
power supply so the supply common is the same as the input signal common.
•
Several devices may be connected to one power supply and the output signals all share the same common. Use caution when grounding the
secondary of a transformer or when wiring multiple devices to ensure the ground point is the same on all devices and the controller.
•
Ensure the supplied power is within the device ratings. Power supply voltages outside the ratings may cause over-heating, device damage
or unreliable operation.
•
The analog input signal is connected to the IN terminal and the COM terminal.
•
The 20V terminal is a regulated power supply output which provides a 20 Vdc power supply at 30 mA maximum that can be used to operate
an external sensor, for example.
•
The relay contacts are labeled R1 to R2 to match the set-point pots and each relay has both a normally open and normally closed contact.
Ensure the load is within the contact specifications.
MOUNTING
The snap-track device may be mounted in any position. Use only fingers to remove the
PCB from the snap-track, do not pry on the PCB with tools. Do not flex the PCB during
removal or installation. Slide the PCB out of the snap-track or push against one side of
the snap-track and lift the PCB out. Ensure any metallic mounting hardware does not
contact the underside of the PCB.
Avoid mounting in areas where the device is exposed to vibrations or rapid temperature
changes. Mount the snap track with the PCB removed using two screws as shown in
Figure 2.
Once the snap track is mounted, place the bottom edge of the PCB into the bottom
slot on the snap track and then gently press the top edge in both corners until the PCB
snaps into the top slot of the snap track. See Figure 3.
Figure 1
Figure 3
Figure 2
