Chapter 8. Installation and Testing Operation
8-7
8.2 Repair and Check
Perform routine check and regular check to maintain the best status of this communication module.
8.2.1 Daily check
1) Rnet I/F master module
[Table 8.4.1(A)] Items of daily check
Items to be checked
Contents
Criteria of decision
Action to take
Cable connection
status
Release of cable
Shall not be any release.
Tighten the cable.
Module connection
status
Release of screw
Shall not be any release.
Tighten screw of
module.
RUN LED
Flicker check
Flash (Lights-out means interface cut-off with
CPU).
See Appendix.
LAS LED
Light on Check
LED of only one module among entire module
of network should be lighted (Lights of two or
more mean abnormal configuration of
network).
See Appendix.
TOKEN
LED
Flicker check
Light off means abnormal (Duplicated station
or cable error).
See Appendix.
TX/RX LED
Flicker check
Light off means abnormal (Hardware error of
module).
See Appendix.
LED
indicati
on
FAULT LED Light off check
Regular flash means system error, and
intermittence flash means communication
error.
See Appendix.
2) Rnet I/F slave module
[Table 8.4.1(B)] Items of daily check
Items to be checked
Contents
Criteria of decision
Action to take
Cable connection
status
Release of cable
Shall not be any release.
Tighten the cable.
Release of screw
Shall not be any release.
Tighten screw of
terminal.
Terminal unit
connection status
Approach of
compression
terminal
Shall be relevant gap.
Correct.
RUN LED
Light on check
Check power if light off.
See Appendix.
TOKEN LED
Flicker check
Light off means abnormal operation
(Duplicated station or cable error).
See Appendix.
TX/RX LED
Flicker check
Light off means abnormal operation
(Duplicated station or cable error).
See Appendix.
FAULT LED
Light off check
Intermittent flash means communication
error (Cable connection error, or terminal
resistance connection error).
See Appendix.
LED
indicati
on
SYS FAULT
LED
Light off check
Regular flash means system error (Error
code is displayed in LED).
See Appendix.
Содержание G0L-GWRA
Страница 115: ...Appendix A 14 A3 5 G0L GWRA Applied type G0L GWRA ...