13. Troubleshooting
13-40
(5) Error accumulation counters
Error accumulation counters count the number of communication errors between a J.NET module
(master station) and a station (slave station). Error accumulation counters are initialized when the
system is reset. (The following data is stored in /AC2*** for the sub module, /C42*** for the sub 2
module, and /CC2*** for the sub 3 module.)
[N1]
[N2]
2
7
2
0
/A42000
/A42400
(For simultaneous
b
d
t)
+00 Transmitter underrun
(TXUN)
/A42020
/A42420
Station ID: 01
02
Missing CTS
(TXCT)
/A42040
/A42440
Station ID: 02
04 Frame length violation
(RXLG)
/A42060
/A42460
Station ID: 03
06 Non-octet array frame
(RXNO)
/A42080
/A42480
Station ID: 04
08
Abort sequence
(RSAB)
/A420A0
/A424A0
Station ID: 05
0A
CRC error
(RXCR)
/A420C0
/A424C0
Station ID: 06
0C
Overrun
(RXOV)
/A420E0
/A424E0
Station ID: 07
0E
Missing CD
(RXCD)
/A42100
/A42500
Station ID: 08
10
Timeout
(RXTO)
/A42120
/A42520
Station ID: 09
12
Reserved
/A42140
/A42540
Station ID: 0A
+1E
(14 bytes)
/A42160
/A42560
Station ID: 0B
/A42180
/A42580
Station ID: 0C
/A421A0
/A425A0
Station ID: 0D
/A421C0
/A425C0
Station ID: 0E
/A421E0
/A425E0
Station ID: 0F
/A42200
/A42600
Station ID: 10
/A42220
/A42620
Station ID: 11
/A42240
/A42640
Station ID: 12
/A42260
/A42660
Station ID: 13
/A42280
/A42680
Station ID: 14
/A422A0
/A426A0
Station ID: 15
/A422C0
/A426C0
Station ID: 16
/A422E0
/A426E0
Station ID: 17
/A42300
/A42700
Station ID: 18
/A42320
/A42720
Station ID: 19
/A42340
/A42740
Station ID: 1A
/A42360
/A42760
Station ID: 1B
/A42380
/A42780
Station ID: 1C
/A423A0
/A427A0
Station ID: 1D
/A423C0
/A427C0
Station ID: 1E
/A423E0
/A427E0
Station ID: 1F
Figure 13-15 Address of the error accumulation counters
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Summary of Contents for S10VE
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