Storage Of Error Code - Sharp JW-21MN User Manual

12-3 Storage of error code

When an error occurs in the JW-21MN, it stores the occurred error's code to system memory #160,
#170 and error history storage register of each station's PC.
Error
code
(HEX)
01 ROM error, upper CPU
02 RAM error, upper CPU
03 2 port RAM error against PC, upper CPU
04 2 port RAM error against
communication CPU, upper CPU
11 ROM error, communication CPU
12 RAM error, communication CPU
18 Communication LSI error, communication CPU
1F No response
20 More than one token detected
21 Doubled address detected
22 Fault of sending section
23 Token does not return within the rated interval
2A Over flow of receiving buffer.
2B Flame length error
30 EEPROM error
60 Switch setting error
6E BCC error
6F Parameter setting error
C1 Communication error
- After converting into octal, the lower two digits
to
represent the slave station number of the current
FF
error. (Ex. C1
- In some cases, error code 23
12
- Error code 60
Cause
= 301 = slave station 01)
(H) (8)
or 2A
(H) (H)
, 6E , C1 to FF are special error codes unique to the JW-21MN.
(H) (H) (H)
Error code stored to system memory
#160
#170
53
(H)
1F
(H)
20
(H)
21
(H)
22
(H)
23
(H)
2A
(H)
2B
(H)
30
(H)
60
(H)
6E
(H)
6F
(H)
C1
(H)
to
FF
(H)
is stored when inputting power. This is not an error.
12-6
Measure
Replace the JW-21MN
- Check the communication
cable
- Check for doubled allocation
of station number
- Replace the JW-21MN
Check the parameter setting
Replace the JW-21MN
Check the communication cable
Check the communication cable
Replace the JW-21MN
Check the switch setting
Check the parameter setting
Check the communication cable
and slave module