Yaskawa MEMOCON GL120 - Manual (Page 203)

4.4 Communications Modules
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4.4.7 PC Link Module
1. Appearance
DIP switch Rotary switch 2
MEMOBUS port
Module Description
(120NFB23100)
Color code (yellow)
LED area
PC Link port
Reset switch
Rotary switch 1
Module mounting screw
(Use M4 Phillips screwdriver.)
LED Color Indication when ON
READY Green Module is operating normally.
ACTIVE Green Module is engaged in service with the CPU Module
L-TX Green Module is transmitting data from PC Link port.
L-RX Green Module is receiving data from PC Link port.
L-ERR Red An error has occurred in the transmission of PC
Link port. Lit for 10 ms.
PP TX Green Module is transmitting data from MEMOBUS port.
PP RX Green Module is receiving data from MEMOBUS port.
PP ERR Red An error has occurred in the transmission of
MEMOBUS port.
Figure 4.38 Appearance of PC Link Module
4
L-TX
READY
120 NBF 231 00
L-RX
L-ERR
ACTIVE
PP TX
PP RX
PP ERR
LED area