Field Wiring Guidelines

Overview

This section contains wiring guidelines and precautions.

Terminal Connector

To connect field devices to the I/O base, you need a field wiring terminal connector. Schneider Electric sells terminal connectors in sets of three.

Type	Part Number
Screw-in	170 XTS 001 00
Spring-clip	170 XTS 002 00

Mapping Terminal Blocks

CAUTION

POTENTIAL FOR SHORT CIRCUITS AND/OR POWER-UP SPIKES

Provide external fuses on the operating voltage to protect the module. Appropriate fuse values are shown in the wiring illustration. An unprotected module may be subject to short circuits and/or power-up spikes.

Failure to follow these instructions can result in injury or equipment damage.

Mapping terminal blocks is described in the table below.

Row	Terminal No.	Description	Function
2	4, 8, 12, 16	-	Not used
	1, 5, 9, 13	1L+	+24 V actuator power supply output
	2, 3, 6, 7, 10, 11, 14, 15	1M-	Actuator power supply neg. 0 V return
	17	M-	Module power supply 0 V
	18	L+	Module power supply +24V
3	1, 5, 9, 13	OUTI1-, OUTI2- OUTI3-, OUTI4-	Output current mode (sink) Channels 1 ... 4
	2, 6, 10, 14	OUTI1+, OUTI2+ OUTI3+, OUTI4+	Output current mode (source) Channels 1 ... 4
	3, 7, 11, 15	OUTU1+, OUTU2+ OUTU3+, OUTU4+	Output voltage mode Channels 1 ... 4
	4, 8, 12, 16	-	Not used
	17	1M-	Actuator power supply neg. 0 V return
	18	1L+	+24 V actuator power supply output

Fuse Required

The 1 A slow-blow fuse shown in the wiring diagram must be wired into the actuator power supply.

Signal Protection

To protect the signal from external noise induced in serial or common mode, we recommend the following precautions.

Use shielded twisted-pair cables with a minimum conductor cross section of 24 AWG or 0.22mm2.
Connect the cable shield to ground via the cable grounding rail (part number CER 001).
You may combine the analog inputs on this I/O base in one multi-pair cable provided they have the same reference relative to ground.
The actuator power supply must be protected in the same way as the signal itself.