4
FUNCTIONS
4.3 RAS Functions
4.3.4 Cable fault detection function
4
- 47
1
O
V
ER
VI
E
W
2
SYST
EM
CO
NF
IG
URA
T
IO
N
3
SPECI
F
IC
A
T
IO
N
S
4
F
UNCT
IONS
5
PREP
ARA
T
IO
N AND
SET
UP
6
P
A
RAM
E
T
E
R
SET
TI
NG
7
PRO
C
ESSI
NG
T
IM
E
8
PRO
G
R
AM
M
ING
4.3.4
Cable fault detection function
A cable fault can be detected as a cause of a communication error.
The CC IE Control Network Diagnostics makes troubleshooting easy.
Section 10.4 Checking the Error Description with the CC IE Control Network
4.3.5
Cable insertion error detection function
Incorrect cable connection between OUT and IN can be detected as a cause of loopback
or disconnection from the network.
The CC IE Control Network Diagnostics makes troubleshooting easy.
Section 10.4 Checking the Error Description with the CC IE Control Network
Figure 4.52 Cable fault detection function
Figure 4.53 Cable insertion error detection function
Control station
No.1
Normal station
No.4
Normal station
No.3
Normal station
No.2
A cable fault is detected as the
cause of the communication error.
Communication
error
Communication
error
Normal station
No.3
Normal station
No.4
Normal station
No.2
Control station
No.1
Incorrect cable connection between
OUT and IN is detected as the cause
of the loopback and disconnection.
OUT
IN
OUT
IN
IN
OUT
OUT
IN
Cable
insertion error
Summary of Contents for QJ71GP21-SX
Page 1: ......
Page 2: ......
Page 644: ...App 94 Appendix 6 External Dimensions Appendix 6 2 QJ71GP21S SX APPENDICES Memo ...
Page 649: ......
Page 650: ......