Siemens LME7 Series Basic Documentation page 237

Parameter-
number
677 Integral action time speed control
678 Derivative action time speed control
Time constant PT1 speed control: Lower
679.00
speed range high-fire to low-fire
Time constant PT1 speed control:
679.01
Medium speed range high-fire to low-fire
Time constant PT1 speed control: Upper
679.02
speed range high-fire to low-fire
Time constant PT1 speed control: Entire
679.03
speed range low-fire to high-fire
Speed range for PT1 time constant:
680.00
Threshold upper speed range
Speed range for PT1 time constant:
680.01
Threshold lower speed range
920 Current PWM signal fan
Building Technologies Division
Infrastructure & Cities Sector
Designation
*) Step size of speeds when making the settings via PC software ACS410: 1 rpm
Basic Documentation LME7...
27 PWM settings
Value range Step size *)
Min. Max.
0 37.485 0.147 s
0 37.485 0.147 s
0 37.485 0.147 s
0 37.485 0.147 s
0 37.485 0.147 s
0 37.485 0.147 s
800 9000 10 rpm
800 9000 10 rpm
0 100 1%
Conditions
Factory setting 0.441 s
Factory setting 0 seconds
Factory setting 6.027 seconds
Factory setting 6.027 seconds
Factory setting 6.027 seconds
Factory setting 6.027 seconds
Factory setting 4000 rpm
Factory setting 2000 rpm
Service parameter
237/245
CC1P7105en
29.11.2011