YOKOGAWA F3LR02-0N, User Manual

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C6-7
IM 34M06H45-01E 7th Edition : Aug.30, 2019-00
- In case of using FAIL contact of power supply module, choose one in the main unit
while program stops, and take external measures of the PLC to operate system
safely
.
Example 1:
Cable
discontinuity
Subunit 1 (A) Subunit 2 (C) Subunit 3 (C)
ERR2 lit ERR1 lit
FC0621_1.VSD
Main unit
Example 2:
FC0621_2.VSD
Cable
discontinuity
Main unit Subunit 1 (A) Subunit 2 (C) Subunit 3 (C)
ERR2 lit ERR1 lit
Example 3:
FC0621_3.VSD
ERR2 lit
Cable
discontinuity
Main unit
Subunit 1 (A) Subunit 2 (B) Subunit 3 (B)
Example 4:
Subunit 1 (A)
FC0622.VSD
Main unit Subunit 2 Subunit 3 (C)
ERR2 lit ERR1 lit
Subunit 4 (C)
Power down
Example 5:
FC0623.VSD
Main unit
Subunit 1 (C)
Subunit 2 (C)
ERR1 lit
Power down
Figure C6.3 Operation of Output Module for Various Transmission Channel Error Locations