Yaskawa 120 Series I/O Modules - Manual (Page 151)

4 Analog I/O Specifications
4.1.1 Analog Input Modules ( ±10 V, 4 channels)
4-4
3) The following diagram shows the circuit configuration.
Differential signal source
Multiplexer
Differential signal source
Shield 1
Status
display
Photocoupler
Shield 2
Single-ended signal source
Shield 3
Single-ended signal source
Shield 4
Insulated
DC/DC
converter
0 V (analog)
CH3+
-10 to 10 V
-10 to 10 V
-10 to 10 V
-10 to 10 V
Internal circuits A/D converter
4700 pF