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Configuration and Use Manual 265
Installing Relays
Relay Installation Series 3000 MenusDefaultsSpecifications – Model 3100
Step 2 Connect discrete output terminals to relays
Follow the steps below to connect the transmitter/controller’s discrete output wiring terminals to one,
two, or three relays.
1. Use the following wire sizes:
• Model 3300 or Model 3500: 24 to 16 AWG (0,25 to 1,5 mm
2
)
• Model 3350 or Model 3700: 22 to 16 AWG (0,35 to 1,5 mm
2
)
2. Connect the wires between the transmitter/controller terminals and the relay terminals as
shown in Table D-1 and in the following diagrams:
• Model 3300 or Model 3500 with screw-type or solder-tail connectors: see Figure D-3
• Model 3300 or Model 3500 with I/O cables: see Figure D-4
• Model 3350 or Model 3700: see Figure D-5
WARNING
Shock Hazard.
Improper installation of wiring, or installation with power supply on, can cause
electric shock or property damage.
For personal and system safety:
• Shut off power before installing wiring.
• Make sure the installation meets or exceeds local code requirements.
• Install relays and wiring in accordance with the illustrations in these instructions.
• Install relays and wiring where ambient temperature remains between –4 and
+140°F (–20 and +60°C).
Table D-1 Transmitter/controller terminals and Model 3100 terminals
Transmitter/controller terminals
Terminal
function
Model 3100
terminals
Model 3300 or Model 3500 Model 3350 or Model 3700
I/O cables or I/O
terminal block
Screw-type or
solder-tail
terminals Gray terminal block
19 a 14 20 Return a 14
18 c 14 18 DO1 c 14
20 c 16 17 DO2 c 16
22 c 18 16 DO3 c 18