Siemens SIRIUS 3RW44 - Page 235

General Technical Data
SIRIUS 3RW44 manual
GWA 4NEB 535 2195-02 DS 06
10-17
Type 3RW44 .. Factory setting
Control times and parameters
Control times
Switch-on delay (when control voltage applied) ms <50
Switch-on delay (automatic operation) ms
< 4000
Pre-charge time (ON command with active stopping mode) ms
< 100
Network failure bridging time
Control supply voltage ms 100
Network failure reaction time
Load circuit ms 100
Reclosing lockout after overload trip
Motor protection tripping Min. 1 ... 30 1
Device protection tripping s
30
Setting options for starting
Voltage ramp start voltage % 20 ... 100 30
Start torque control %
10 ... 100 10
Limiting torque control %
20 ... 200 150
Starting time s
0 ... 360 20
Maximum starting time s
1 ... 1000 deactivated
Current limiting value %
125 ... 550
1)
450
Breakaway voltage %
40 ... 100 80
Breakaway time s
0 ... 2 deactivated
Motor thermal capacity %
1 ... 100 20
Slow speed mode counter-clockwise / clockwise
Speed factor in relation to nominal operating speed (n = n
nominal
/factor) 3 ... 21 7
Slow speed torque
2)
% 20 ... 100 50
Setting options for stopping
Stopping torque control % 10 ... 100 10
Stopping time s
0 ... 360 10
Dynamic braking torque %
20 ... 100 50
DC braking torque %
20 ... 100 50
Operating messages
Checking voltage
Checking line phases
Ready to start
Start mode active
Motor running
Stopping mode active
Emergency start active
Warnings / error messages
No line voltage
Phase angle control failure
Phase loss
• L1 / L2 / L3
Missing load phase
• T1 / T2 / T3
Failure
• Switching element 1 (thyristor) / switching element 2 (thyristor) / switching
Flash memory error
Supply voltage
• below 75 %
• below 85 %
• above 110 %
Current unbalance exceeded
Thermal motor model overload
Prewarning limit exceeded
• Motor heat build-up
• Remaining time for tripping
Bypass element fault
Line voltage too high
Device not identified
Versions not matching
Current range exceeded
Bypass element protective tripping
Overcurrent
Motor stalling – tripping
Current limit exceeded
Power unit
• Overheated
• Overtemperature
1)
max. current limiting value:
3RW44 22 - 3RW44 47:
3RW44 53 - 3RW44 57:
3RW44 58 - 3RW44 66:
550 %
500 %
450 %
2)
Reference quantity depends on motor used, but in any case lower than the
rated motor torque