User Manual
A fault message is displayed and output "Motor fault" is enabled if there is an
overload fault.
You can change the following texts ex-works texts in the RMS705B at the
password level.
No. Text Effect with factory setting
1311 [Motor 1] overload Urgent message; must be acknowledged.
1321 [Motor 2] overload Urgent message; must be acknowledged.
1331 [Motor 3] overload Urgent message; must be acknowledged.
1341 [Motor 4] overload Urgent message; must be acknowledged.
1351 [Motor 5] overload Urgent message; must be acknowledged.
1361 [Motor 6] overload Urgent message; must be acknowledged.
Overloa
d messages
1 or 2-speed motor
If only one pump is faulty during twin motor operation, run priority changes to the
non-faulty motor output. The fault acknowledgement setting has no effect on
changeover. The corresponding overload signal is issued. If both motors are faulty,
a fault message is displayed as per Section "8.4.4".
Overloa
d messages
twin motor
Y
ou can change the following texts ex-works texts in the RMS705B at the
password level.
No. Text Effect with factory setting
1314 [Motor 1A] overload Non-urgent message; must be acknowledged.
1315 [Motor 1B] overload Non-urgent message; must be acknowledged.
1324 [Motor 2A] overload Non-urgent message; must be acknowledged.
1325 [Motor 2B] overload Non-urgent message; must be acknowledged.
1334 [Motor 3A] overload Non-urgent message; must be acknowledged.
1335 [Motor 3B] overload Non-urgent message; must be acknowledged.
1344 [Motor 4A] overload Non-urgent message; must be acknowledged.
1345 [Motor 4B] overload Non-urgent message; must be acknowledged.
1354 [Motor 5A] overload Non-urgent message; must be acknowledged.
1355 [Motor 5B] overload Non-urgent message; must be acknowledged.
1364 [Motor 6A] overload Non-urgent message; must be acknowledged.
1365 [Motor 6B] overload Non-urgent message; must be acknowledged.
8.4.8 Precommand
You can configure a corresponding precommand for each motor. This allows e.g. to
open a damper or valve prior to actual motor start as well as shut off the damper
delayed following motor switch-off.
Main menu > Commissioning > Extra configuration > Aggregates > Motor > Motor 1...6 >
Config
uration
Operating lin
e Adjustable values / Comment
Precommand ---, N.Q1, N.Q2, ... (free outputs only)
The precommand switches on if switch-on takes place via start condition 1 or 2.
The motors can be started or stopped with the "Precommand" simultaneously or
delayed. Set delayed switch-on/off via "Precommand runup time" and
"Precommand rundown time".
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Siemens Switching and monitoring device RMS705B CE1P3124en
Building Technologies Aggregates 01.04.2010