Yaskawa MEMOCON GL120 - Manual (Page 177)

4.4 Communications Modules
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4.4.4 2000-Series Remote I/O Driver Module
1. Appearance
LED area
Remote I/O port
DIP switch
Model description (120CRD13110)
Color code (yellow)
Module mounting screw
(Use M4 Phillips screwdriver.)
LED Color Indication when ON
READY Green Module is operating normally.
ACTIVE Green Module is processing I/O.
RMT TX Green Module is transmitting data from the remote I/O port.
RMT RX Green Module is receiving data from the remote I/O port.
RMT ERR Red An error has occurred in the transmission from the
remote I/O port. Lit for 10 ms.
If a status error occurs, the READY indicator will go off and the RMT ERR indicator will flash
as described in the following table.
Type of Error RMT ERR Indication
ROM error RMT ERR will flash continuously.
RAM error RMT ERR will flash twice, go off for 1 s, and then repeat the cycle.
Common memory error RMT ERR will flash three times, go off for 1 s, and then repeat the cycle.
Watchdog timer error RMT ERR will flash four times, go off for 1 s, and then repeat the cycle.
Figure 4.28 Appearance of 2000-Series Remote I/O Driver Module
4
RMT TX
READY
120 CRD 13100
RMT RX
RMT ERR
ACTIVE
LED area