IFM Electronic AC5225, Original Device Manual

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ifm Device Manual AS-i IO-Link-Gateway (AC5225) Firmware V1.16 2017-11-20
Glossary of Terms
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PCD
PCD = P rojected C onfiguration D ata
Configuration data stored in the device:
→ LPS and AS-i profile (IO, ID, ID1, ID2)
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PDM
PDM = P rocess and D ialogue M odule.
Device for communication of the operator with the machine / plant.
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PELV
PELV = P rotective E xtra L ow V oltage
Functional extra low voltage with safe separation, grounded variant of
→SELV. The specification as
PELV system to IEC 364-4-41 covers a measure to protect against direct and indirect contact with
dangerous voltages by a "safe separation" between primary and secondary side in the device (e.g.
power supply to PELV specification).
For this reason no separate PE conductor is required in a PELV system. It is allowed to ground circuits
and / or bodies in a PELV system.
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Pictogram
Pictograms are figurative symbols which convey information by a simplified graphic representation.
(
→ chapter What do the symbols and formats mean?
(
→ page
4 ))
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PLC configuration
Part of the CODESYS user interface.
► The programmer tells the programming system which hardware is to be programmed.
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CODESYS loads the corresponding libraries.
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Reading and writing the periphery states (inputs/outputs) is possible.
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Polling
to poll = to count votes
The controller master fetches the data from every participant in the system successively:
1. Master calls participant 1.
2. Participant 1 replies with its current data (actual values).
3. Master transfers more data (target values) to participant 1, if needed.
4. Participant 1 acknowledges reception of the data.
etc. the same procedure for each further participant.
AS-i,
→cyclical polling: AS-i master cyclically polls the data of all →slaves in the →bus (see above).
The data is updated in the
→master after max. 5 ms. If →A/B slaves are used, the →cycle time can be
extended to 10 ms.
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Power-on delay time
The time required by the controller K6 from the application of the voltage supply until all of the
following targets are reached:

both AS-i networks have reached normal operation

the master has read the configuration data of the CTTx slaves

the field buses can use the gateway (optional)

the PLC program was started (optional).