
6
ifm
Programming Manual (supplement) CAN module RTC CR3020
2017-10-26
System description
Information about the device
2
System description
Information about the device ................................................................................................................. 6
Overview of functions ............................................................................................................................ 6
Hardware description............................................................................................................................. 7
Interface description .............................................................................................................................. 8
Software description .............................................................................................................................. 9
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>
2.1
Information about the device
21798
This manual describes of the
ecomatmobile
family for mobile machines of
ifm electronic gmbh
:
Real-time clock (RTC) CR3020
>
2.2
Overview of functions
21808
Only ONE real-time clock may be installed in each project!
The real-time clock (RTC) offers the following functions:
Initialisation of the real-time clock,
Adjustment of the CAN baud rate to the controller
Setting of time and date:
Calendar day, month, year, hour, minute day of the week
Setting of date for the alarm output:
days, hours minutes (max. 7 days, 23 hours, 59 minutes)
Requesting current time and current date:
calendar day, month, year, hour, minute, day of the week, battery charging status
Requesting the remaining time till the set alarm:
days, hours, minutes
The real-time clock can be configured and consulted in various ways:
in conjunction with a controller from
ifm-ecomatmobile
this is what POUs in a CODESYS library are there for
→ chapter
Functional elements from ifm
(
in conjunction with a controller that is not from
ifm
for this CAN messages via COB-ID and node ID are used
→ chapter
CAN messages via COB-ID and node ID
(