Service Request Area Format - Mitsubishi Electric MELSEC iQ-R Series User Manual

Service request area format

Set a setting value specified for each service in Service request area to execute each service.
The following table lists Service request area formats.
Classification Buffer memory address
(decimal)
Service
request area 1
Header 50000 to 50001
50002
50003
50004 to 50005
50006 to 50007
50008
50009
50010
50011
50012
50013
50014 to 50021
Data 50030 to 52087
*1 Control and use the RequestID with a program. (For example, before issuing each request, create a program that increments
RequestID.)
*2 The valid range of SlotNumber is 0000H to 7FFFH.
*3 The effective range of SubslotNumber is 0001H to 9FFFH.
1 FUNCTIONS
26
1.3 Service Interface Function
Item name
Service
request area 2
52250 to 52251 RequestID
52252 ServiceID
52253 Status
52254 to 52255 DeviceID
52256 to 52257 API
52258 SlotNumber
52259 SubslotNumber
52260 Index
52261 Data length(byte)
52262 PnDeviceID
52263 PNVendorID
52264 to 52271 ARUUID
52280 to 54337 Data
Description
Specifies a number to relate a request and a
*1
response.
For example, when 1H is set in RequestID of Service
request area and a request is issued, 1H is stored in
RequestID of Service response area of the response
corresponding to the request.
Specifies a ServiceID corresponding to each service.
Status of a request
(Fixed to 0055H)
Specifies an IO device ID. Set the IO device ID on GX
Configurator-PN. ( Page 82 IO device setting
window)
Specifies the API number of the IO device.
Specifies the slot number of the IO device.
Specifies the sub slot number of the IO device.
Specifies the index number of the slot or sub slot of the
IO device.
Stores the size of the write target data in units of bytes.
Specifies DeviceID of the IO device. (This ID has been
specified by the IO device manufacturer.)
Specify 0000H when executing a service other than
Acyclic communication - Implicit read data record.
Specifies VendorID of the IO device. (This ID has been
specified by the IO device manufacturer.)
Specify 0000H when executing a service other than
Acyclic communication - Implicit read data record.
Specify the value stored in "ObjectUUID_LocalIndex" of
the GSDML file.
Specifies data to be written to the IO device.
Setting range
00000000H to
FFFFFFFFH
0001H to 0009H
0055H
0 to 127
00000000H to
FFFFFFFFH
0000H to
*2
FFFFH
0000H to
*3
FFFFH
0000H to FFFFH
0 to 4116
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