Performance index:
Main power(VAC)------------------------------------------------------110/220±10%
Frequency(Hz)--------------------------------------------------------------------50/60
Voltage range of output armature(VDC)----------------0-90/110/180/220
Voltage range of output magnetic field(VDC)-------------- -------100/200
Current range of output armature(A)---------------------------------10 20 35
Current range of output magnetic field(A)----------- ------------------------5
Given signalling mode(VDC)------------------------0-5 0-10 Potentiometer
Enabling control mode ----------------------------------------------- Switch Signal
Adjustment range of speed acceleration time(s)----------------------0-10
Adjustment range of commutation range(s)-----------------------------0-10
Speed regulation ratio (open loop)---------------------------------------------70: 1
Precision of rotational speed feedback of armature(％)----------------±1
IR moment compensation range (VDC@ full load) ------------------------0-80
Change of voltage with linearity (% basic speed)------------------------------±1
Temperature range of application environment(℃)---------------- -10-+50
Protection range from overcurrent-------------------------------------0-set value
Protection mode from overcurrent ------------------------------------------limiting
Product Features:
Selection of expansive force model and speed model
SCR chopping control
SMT technology  Small volume
Standard signal interface
Double closed loop PI regulation
Large moment at low speed operation  
High speed ratio of open loop 100: 1
Fine excavator properties
Automatic limiting of overcurrent
Setting of higher and lower speed limit
Powerful anti-disturbing capability
Automatic and smooth transition between speed acceleration and lowering 
Fine following performance; immediate dynamic response
Enabling control