Yaskawa 120 Series I/O Modules - Manual (Page 181)

4 Analog I/O Specifications
4.2.3 Analog Output Modules (4 to 20-mA, 2 channels)
4-34
5) I/O Allocation
I/O allocation is necessary when using the Analog Output Module (4 to 20-mA, 2
channels). For further details on I/O allocation, refer to 4.3 I/O Allocation.
6) External Appearance
LED Color State Indication when ON
RDY Green Lit Module is normal.
Flashing Initial check error has occurred.
Not lit WDT timeout error has occurred.
ACT Green Lit Module is processing I/O.
Not lit CPU Module is in the STOP state or I/O pro-
cessing error has occurred.
ERR Red Flashing Parameter checksum error has occurred.
Not lit Module is normal.
Removable terminal block
for field connections
Hinged terminal cover
Signal label insert
Color code
(dark green)
LED area
Module mounting screw
(Use a M4 Phillips screwdriver.)
Module description (120ACO01000)
Field wiring terminal
(Use a M3 Phillips screwdriver.)
Terminal block mounting screw
(Use a M3 Phillips screwdriver.)
LED Area
120 ACO 010 00
ACT ERR RDY