Masibus 40005E, Руководство пользователя

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User Manual 56
40005E (Enhanced Bargraph Indicator)
REF NO: m42B/om/101
Issue No: 02
Exceptional Response:
Table 33 Exceptional Response
Byte Contents Example
1 Slave Address 0A
2 Function 81 (80 + Function Code From Query)
3 Exceptional Code 02
4 CRC Hi XX
5 CRC Lo XX

Exception Codes
Table 34 Exception codes
CODE NAME MEANING
01
Illegal Function
The function code received in the query is not an allowable
action for the slave. If a Poll Program Complete command Was
issued, this code indicates that no Program function preceded
it.
02 Illegal Data Address
The data address received in the query is not an allowable
address for the Slave.
03 Illegal Data Value
A value contained in the query data field is not an allowable
value for the Slave.
10.3 Modbus Addresses
Table 35 Process Value and Status Read Parameters
Sr.
No
Parameter Description
Modbus
Address
Parameter
Type
Access Remarks
1 Channel
– 1 – PV
30001 Integer R
-
2 Channel
– 2 – PV
30002 Integer R
-
4 Ambient PV 30025 Integer R
-
5 DO(Digital Output) Status
– 32bit
30026 Bit R
Refer
Table 37
6 Alarm1 Status
– 32bit
30028 Bit R
Refer
Table 38
7 Alarm2 Status
– 32bit
30030 Bit R
Refer
Table 39
8 Control Status
– 32bit
30032 Bit R
Refer
Table 40
9 Log Memory Percentage 30042 Integer R
Higher Byte for Event
log and Lower Byte
for Periodic Log
10 Total Periodic Records 30043-44 Integer R
30043 [Higher byte]
30044[Lower Byte]
11 Total Event Records 30045-46 Integer R
30045 [Higher byte]
30046[Lower Byte]
12 Alarm3 Status
– 32bit
30050 Bit R
Refer
Table 40
13 Alarm4 Status
– 32bit
30052 Bit R
Refer
Table 40