TM3DQ8R / TM3DQ8RG Wiring Diagram

Introduction

These expansion modules have a built-in removable screw or spring terminal block for the connection of outputs and power supply.

Wiring Rules

See Wiring Best Practices.

Wiring Diagram

The following figure illustrates the connections between the outputs, the actuators, and their commons:

 

*   Type T fuse

(1)   The COM0 and COM1 terminals are not connected internally

(2)   To improve the life time of the contacts, and to protect from potential inductive load damage, connect a free wheeling diode in parallel to each inductive DC load or an RC snubber in parallel of each inductive AC load, or a varistor on either type of load.

A   Source wiring (positive logic)

B   Sink wiring (negative logic)

NOTE: When you use the TM3 expansion module with a TM3 Ethernet bus coupler, you must connect an RC snubber in parallel of each inductive AC load.

For information about 24 Vdc power supply, refer to DC Power Supply Characteristics.