IFM CR3020, Supplement Manual

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ifm Programming Manual (supplement) CAN module RTC CR3020 2017-10-26
System description Software description
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Define time and date
21812
RTC_SET
Set the real-time clock to the current time and the current date:
Message to the real-time clock:
COB ID Message Notes
0x300 + node ID DLC = 6
Byte 0 = calendar day
Byte 1 = month
Byte 2 = year
Byte 3 = hour
Byte 4 = minute
Byte 5 = day of the week ---
The real-time clock sets the internal value for second to zero.
Response of the real-time clock:
COB ID Message Notes
0x280 + node ID DLC = 6
Byte 0 = calendar day
Byte 1 = month
Byte 2 = year
Byte 3 = hour
Byte 4 = minute
Byte 5 = day of the week ---
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Request time and date
21815
RTC_REQUEST
Request the current time and the current date:
Message to the real-time clock:
COB ID Message Notes
0x200 + node ID DLC = 0 no data bytes available at DLC=0
Response of the real-time clock:
COB ID Message Notes
0x180 + node ID DLC = 8
Byte 0 = calendar day
Byte 1 = month
Byte 2 = year
Byte 3 = hour
Byte 4 = minute
Byte 5 = seconds
Byte 6 = day of the week
Byte 7 = battery charging level Battery charging level
0 = sufficient
1 = too low