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ifm
Programming Manual BasicDisplay CR0452 v03.02
05 / 2018
ifm function elements
ifm function elements for the device CR0452
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Parameters of the outputs
7906
Parameter
Data type
Description
GUARDSTATE
BYTE
Status of node guarding:
0 = 0x00 = no error (or: not active)
1 = 0x01 = timeout (configuration)
127 = 0x7F = no guarding message received
PROD_HBSTATE
BYTE
controller as heartbeat producer:
0 = 0x00 = inactive
1 = 0x01 = active
CONS_HBSTATE
BYTE
controller as heartbeat consumer:
0 = 0x00 = no fault
1 = 0x01 = timeout (configuration)
127 = 0x7F = no heartbeat message received yet
CONS_HBCOBID
WORD
COB-ID of the heartbeat message the consumer heartbeat of the
controller is reacting to (configuration)
RESULT
BYTE
feedback of the function block
(possible messages → following table)
Possible results for RESULT:
Value
dec | hex
Description
0
00
FB is inactive
1
01
function block execution completed without error
8
08
FB is active
– not yet processed
242
F2
Error: setting is not possible