Siemens Synco 700 RMZ785 Basic Documentation page 109

Control sequence
Function diagram
Key
nd
Locking 2 speed by
outside temperature
Settings
Notes
Purpose
Special control functions
110 / 216
Siemens
Building Technologies
Run-up and switch-off of the 2-speed motor.
"Switch-on delay", "Switch-off delay", min. switch-on time and min. switch-off time
are considered.
Speed 2
Speed 1
Off
0
0
0
TiRup = Runup time
TiCst = Rundown time
DlyOn = Switch-on delay
DlyOff = Switch-off delay
TiOnMin1 = On time minimum, Step 1
TiOnMin2 = On time minimum, Step 2
TiOffMin = Off time minimum
You can lock the second speed if the temperature drops below an adjustable
outside temperature value.
Main menu > Commissioning > Settings > .... or
Main menu > Settings > Aggregates > Motor > Motor 1...6 >
Operating line
Speed 2 locked (OT-dependent)
Setting "---" disables this function. The 2
and if there is not outside temperature value during operation.
8.4.4 Twin motor
Use the "Twin motor" to control e.g. a twin pump.
In addition to default functions, RMS705B offers special control functions to
optimally control a twin motor:
 Run priority changeover for motor faults, automatic or manual.
 Adjustable changeover period for orderly changeover of motors.
Switching and monitoring device RMS705B
Aggregates
TiOnMin1
TiRup TiCst
TiOnMin2
Range
 50...250 °C, ---
nd
speed is locked if the function is active
TiOnMin1 TiOffMin TiOnMin1
Factory setting
---
CE1P3124en
TiRup
01.04.2010