6.7
Analog Wiring
Wiring to the built-in analog I/O terminals of the CPU module is explained below.
For specifications of the built-in analog I/O terminals of the CPU module, refer to Page 29 Built-in Analog Specifications.
Analog input wiring
Shield
*1
Class D
grounding
*1 For analog input wiring, use shielded twisted-pair cables (double-core type). Separate them from other power lines or lines which can be
induced by others.
*2 For unused channels, short-circuit the "V+" and "V-" terminals.
When used as a current input, refer to Page 164 How to use analog inputs built in CPU module for current inputs.
Analog output wiring
*1
Shield
*2
Class D grounding
*1 For analog output wiring, use shielded twisted-pair cables (double-core type). Separate them from other power lines or lines which can
be induced by others.
*2 Ground a shielded cable at one point on the signal receiving side.
82.7 k
V+
V-
33 k
*2
V+
V-
CH
CH No. goes in of V+, CH.
6
6 WIRING
129
6.7 Analog Wiring