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Run up and switch off the twin motor:
Control sequence
Switch-on delay, switch-off delay, min. switch-on time and min. switch-off time are
considered.
TiOnMin1
TiRup
TiOffMin
TiOnMin1
TiRup
Off
On
Function diagram
TiRup = Runup
time
DlyOn = Switch-on
delay
Key
DlyOff = Switch-off
delay
TiOnMin1
=
On time minimum, Step 1
TiOffMin
=
Off time minimum
Behavior in case of fault
If a motor is faulty, the run priority is changed over to the other motor.
If motors A and B are faulty at the same time:
A fault message is generated.
The fault is indicated on output "Motor fault".
The motors are switched off.
You can change the following texts ex-works texts in the RMS705B at the
password level.
Fault messages
No. Text
Effect
1310
[Motor 1] fault
Urgent message; must be acknowledged and reset.
1320
[Motor 2] fault
Urgent message; must be acknowledged and reset.
1330
[Motor 3] fault
Urgent message; must be acknowledged and reset.
1340
[Motor 4] fault
Urgent message; must be acknowledged and reset.
1350
[Motor 5] fault
Urgent message; must be acknowledged and reset.
1360
[Motor 6] fault
Urgent message; must be acknowledged and reset.
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Siemens
Switching and monitoring device RMS705B
CE1P3124en
Building Technologies
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01.04.2010