IFM Electronic CR0403 Programming Manual page 146

ifm Programming Manual ecomatmobile
ifm function elements
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J1939_SPEC_REQ
= J1939 Specific Request
Unit type = function block (FB)
Unit is contained in the library ifm_J1939_NT_Vxxyyzz.LIB
Symbol in CODESYS:
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Description
J1939_SPECIFIC_REQUEST requests and receives a specific message from another controller.
If a multiframe message is requested:
• the FB provides the first 8 bytes of the data
• RESULT indicates an error
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Parameters of the inputs
Parameter
EXECUTE
CHANNEL
PGN
DA
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Parameters of the outputs
Parameter
PRIO
LEN
DATA
RESULT
Possible results for RESULT:
Value
Description
dec | hex
0 00 FB is inactive
1 01 FB execution completed without error – data is valid
5 05 FB is active – no data received yet
64 40 Error: receive multiframe
242 F2 Error: setting is not possible
BasicController (CR0403) Runtime System V03.02
Data type
BOOL := FALSE
BYTE
DWORD
BYTE
Data type
BYTE
WORD
ARRAY [0..7] OF BYTE
BYTE
146
ifm function elements for the device CR0403
Description
FALSE  TRUE (edge):
execute function element once
otherwise: function element is not active
A function element already started is processed.
CAN interface (1...n) depending on the device
PGN = Parameter Group Number
allowed = 1...??? = 0x00000001...0x???
J1939 address of the requested device
Description
message priority (0...7)
number of the bytes received (0...8)
received data, (1...8 bytes)
feedback of the function block
(possible messages → following table)
2015-04-01
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15026
15028
15029