Mitsubishi Electric QJ71MB91 User Manual page 278

10
DEDICATED INSTRUCTIONS
(2) Control data
Device Item
(S1)+0 -
Completion
(S1)+1
status
MODBUS
(S1)+2
exception code
(S1)+3 Channel
(S1)+4 -
Target station
(S1)+5
No.
(S1)+6 -
Response
monitoring timer
(S1)+7
value/Broadcast
delay value
Type
specification of
(S1)+8 the target
MODBUS
device
10
- 4 10.2 Z(P).MBRW
Table10.5 Control data of the MBRW instruction
Specify 0.
The status of the instruction completion is stored.
0 : Normal completion
Other than 0: Error completion (error code) (
An exception code from a slave is stored.
0 : Slave processing normally completed
Other than 0: Slave processing completed in error (exception code)
( Section 11.4.2)
Specify the target channel.
1: RS-232
2: RS-422/485
Specify 0.
Specify the station number of the target slave.
0 : Broadcast
1 to 247 : Target slave station number
Specify 0.
[Response monitoring timer value (Target station No. is 1 to 247)]
Specify the time for monitoring a response from the target device (slave). (Unit: 10ms)
0 :30 seconds
2 to 65535: Set value (Response monitoring timer value = set value x 10ms)
[Broadcast delay value (Target station No. is 0)]
Specify the wait time after broadcast transmission. (unit: 10 ms)
0 :400 ms
2 to 65535: Set value (Broadcast delay value = set value x 10ms)
For details on the Response monitoring timer value/Broadcast delay value, refer to
the following.
Section 7.2.1 (4)
Specify the type of the read/write target MODBUS device.
( This section (2) (a))
b15
Read target
Setting value
00
H
01
H
02
H
04
H
05
H
07
H
Setting data
Section 11.4.3)
b8 b7
Write target
Target MODBUS device type
No specification
Coil
Input
Input register
Holding register
Extended file register
Setting range
Setting side
0
-
-
1, 2
0
0 to 247
0
0
*2
2 to 65535
b0
0001
H
0005
H
0007
H
0100
H
0200
H
0400
H
0500
H
0505
H
0700
H
(Continued on next page)
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