Issue:
ATS48 R1 & R3 relay specifications.

Resolution:
R1 is a dry contact labeled R1A to R1C.
R3 is a dry contact labeled R3A to R3C.
It is a normally open (NO), programmable contact.

The minimum switching capacity: 10mA for 6 Vdc
Maximum switching capacity on inductive load
* 1.8 A for 230 Vac and 30 Vdc
* Maximum voltage 400Vac.

In the IO Menu the r1 relay can be programmed for :
* r1F: Fault relay
* r1I: isolation relay

In the IO Menu the r3 can be programmed for:
* no: not assigned
* tAI: motor thermal alarm
* ml: motor powered
* AIL: motor current alarm
* AUL: motor underload alarm
* APC: motor PTC probe alarm
* AS2: second set of motor parameters activated

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