Details Of Each Service - Mitsubishi Electric MELSEC iQ-R Series User Manual

Details of each service

The following describes the request format and response format of each service.
Network detection (ServiceID: 0001H)
This service detects IO devices on the same network as the RJ71PN92 and acquires the number of connected IO devices (up
to 128 devices).
Note that this service acquires only the number of connected IO devices. To acquire detailed information of the IO devices,
execute the IO device detection. ( Page 30 IO device detection (ServiceID: 0002H))
■Request format
The following table lists the request formats of this service.
Buffer memory address (decimal)
Service request area 1
50000 to 50001
50002
50003
50004 to 50005
50006 to 50007
50008
50009
50010
50011
50012
50013
■Response format
The following table lists the response formats for when the request of this service has been completed successfully.
Buffer memory address (decimal)
Service response area 1
57000 to 57001
57002
57003
57004 to 57005
57006
57007
57008
57009
57020 to 57021
1 FUNCTIONS
28
1.3 Service Interface Function
Service request area 2
52250 to 52251
52252
52253
52254 to 52255
52256 to 52257
52258
52259
52260
52261
52262
52263
Service response area 2
59250 to 59251
59252
59253
59254 to 59255
59256
59257
59258
59259
59270 to 59271
Item name
RequestID
ServiceID
Status
DeviceID
API
SlotNumber
SubslotNumber
Index
Data length(byte)
PnDeviceID
PNVendorID
Item name Stored value
RequestID Value set in the request format
ServiceID 0001H
Status 0000H
DeviceID 0
Data length(byte) 1
ErrorDecode 0000H
ErrorCode1 0000H
ErrorCode2 0000H
Nr IO-Devices Number of detected IO devices
00000000H to 00000080H
Setting value
00000000H to FFFFFFFFH
0001H
0055H
0
00000000H
0000H
0000H
0000H
0
0000H
0000H