YASKAWA MEMOCON GL120 User Manual page 179

4 Analog I/O Specifications
4.2.3 Analog Output Modules (4 to 20-mA, 2 channels)
3) The following diagram shows the circuit configuration.
Note: Field Wiring Terminal 19
Connections to field wiring terminal 19 depended on the version of the Module. Be sure to connect
terminal 19 correctly according to the version.
• If the Module is VER. B
• If the Module is VER. C
The version number of the Module is written on the nameplate on the right side of the Module.
+5 V
From CPU
+5 V
Insulated
DC/DC
converter
0 V
The above circuit configuration is for Modules with a version number of VER.
C or later.
ing Base. It can thus be used to connect the shield of the shielded twisted-pair wire when ground-
ing at the Module.
Status display
+15 V
Isolation amplifier
D/A
converter
-15 V
0 V (analog)
+15 V
-15 V
0 V (analog)
, terminal 19 is not connected to anything internally.
or later, terminal 19 is connected through the Module to the Mount-
4-32
Load
CH1 +
CH1 -
CH2 +
CH2 -
See Note.