8
- 53
8.3 Using Link Special Relay (SB) and Link Special Register (SW)
8
PROGRAMMING
(11)Checking the CC-Link IE controller network module status
The CC-Link IE controller network module status is checked through the CC IE
Control Network Diagnostics, but it also can be checked with link special relay (SB)
and link special register (SW). (
Section 10.3 CC IE Control Network
1) When an error occurs to the CC-Link IE controller network module, Module
status (SB0020) is turned ON.
2) An error code is stored in Module status (SW0020).
(12)Checking the external power supply status
The external power supply status can be checked not only by CC IE Control Network
Diagnostics but also with the link special relay (SB) and link special register (SW).
(
Section 10.3 CC IE Control Network Diagnostics)
(a) Checking external power supply status of other stations
1) When external power is supplied to a station, External power supply
information (SB0180) turns ON.
The station No. of the station where external power is supplied is stored in
Power supply status of each station (SW0180 to SW0187).
2) If external power is not supplied to any CC-Link IE controller network module
with external power supply function, Power status consistency check of each
station (SB0190) turns ON.
The station No. of the station where external power is not supplied is stored in
Power status consistency check of each station (SW0190 to SW0197).
(b) Checking external power supply status of own station
While external power is supplied, Own station power status (SB0042) is ON.
Table 8.34 SB/SW used in checking CC-Link IE controller network module status
No.
Description
No.
Description
SB0020
Module status
SW0020
Module status
Table 8.35 SB/SW used in checking external power supply status of other stations
No.
Description
No.
Description
SB0180
External power supply information
SW0180 to
SW0187
Power supply status of each station
SB0190
Power status consistency check of each station
SW0190 to
SW0197
Power status consistency check of each station
Table 8.36 SB/SW used in checking external power supply status of own station
No.
Description
No.
Description
SB0042
Own station power status
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