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Startup Settings and Maintenance Section 6-6
Note This function prevents writing/control operations only for FINS commands. It
does not affect writing and control operations performed by any other method,
such as for data links.
For details, refer to 1-4-3 Write-protection from FINS Commands Sent to CPU
Units via Networks in the CS Series PLC Operation Manual or the CJ Series
PLC Operation Manual.
6-6-9 Remote Programming and Monitoring
CS/CJ-series PLCs can be programmed and monitored remotely through a
modem or Controller Link network.
1,2,3... 1. Modem Connections
The host link function can operate through a modem, which allows moni-
toring of a distant PLC’s operation, data transfers, or even online editing of
a distant PLC’s program by phone. All of the Programming Device’s online
operations are supported in these connections.
2. Controller Link Network Connections
PLCs in a Controller Link or Ethernet network can be programmed and
monitored through the Host Link. All of the Programming Device’s online
operations are supported in these connections.
RS-232C
RS-232C
Modem
Modem
Host Link
CPU Unit
Programming
Device
Telephone
connection
RS-232C
Host Link
CPU Unit
Controller Link Unit
CPU Unit
Controller Link Unit
Programming
Device
(Functions as a
gateway.)
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