124
Shared Memory Area Specifications
Section B-3
If the error counter value exceeds the threshold, the CompoNet Master Board
will deem the relevant Slave or Repeater Unit to have a communications error.
The error counter can also be used to determine the network quality, even
when there is no communications error.
Data format
Offset address: 0x041A
Detailed format
Offset
(Word)
Bit
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
+0
Error counter value for Word IN/MIX
Slave Unit #1
Error counter value for Word IN/MIX
Slave Unit #0
to
to
to
+31
Error counter value for Word IN/MIX
Slave Unit #63
Error counter value for Word IN/MIX
Slave Unit #62
+32
Error counter value for Word OUT
Slave Unit #1
Error counter value for Word OUT
Slave Unit #0
to
to
to
+63
Error counter value for Word OUT
Slave Unit #63
Error counter value for Word OUT
Slave Unit #62
+64
Error counter value for Bit IN/MIX
Slave Unit #1
Error counter value for Bit IN/MIX
Slave Unit #0
to
to
to
+127
Error counter value for Bit IN/MIX
Slave Unit #127
Error counter value for Bit IN/MIX
Slave Unit #126
+128
Error counter value for Bit OUT Slave
Unit #1
Error counter value for Bit OUT Slave
Unit #0
to
to
to
+191
Error counter value for Bit OUT Slave
Unit #127
Error counter value for Bit OUT Slave
Unit #126
+192
Error counter value for Repeater Unit
#1
Error counter value for Repeater Unit
#0
to
to
to
+223
Error counter value for Repeater Unit
#63
Error counter value for Repeater Unit
#62
Name
Access
Description
Error counter value
Read
The error counter is incremented each time an
error occurs. It increments among the range
specified for each data rate. What you can read
by this counter is the highest counter value
among the counter counts by the time you read
the counter value.
When it reaches the maximum, it indicates a
communications error.
In data rate of 4 Mbps: 0 to 24
3 Mbps: 0 to 22
1.5 Mbps: 0 to 14
93.75 kbps: 0 to 3
Содержание 3G8F7-CRM21
Страница 4: ...iv...
Страница 10: ...x TABLE OF CONTENTS...
Страница 30: ...10 Specifications Section 1 7 1 7 3 Dimensions 3G8F7 CRM21 PCI unit mm 3G8F8 CRM21 CompactPCI unit mm...
Страница 46: ...26 Connecting the Communications Power Supply Cables Section 2 4...
Страница 74: ...54 Board Hardware Error Notification Section 4 8...
Страница 173: ...153 APPENDIX D Sample Program D 1 Sample Program 154...
Страница 230: ...210 Wiring for Power Supply Section E 5...
Страница 234: ...214 Index...
Страница 236: ...216 Revision History...
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