Functions of the Relays and Analogue and Digital Inputs and Outputs
SP25-55_User Manual_B8_EN_2012-11-06 28/32
Parameter 36: Digital input 2
Menu: Istwerte/Sensorik
Unit: ---
Resolution: 1
The connector pin assignments are as follows: (Pin 1 is on the left)
X5, pin 6 Digital input 1
X5, pin 7 Digital input 2
X5, pin 8 Ground reference for digital inputs 1 and 2
Important: The digital inputs are isolated from all other terminals and connections of the inverter. The
maximum voltage difference between the digital inputs and protective earth conductor is 250 V. The
maximum voltage allowed to be applied to the inputs is 32 V.
17.6 Digital outputs
The two outputs supply 10 to 15 V when in state "1" and are short-circuit-proof. The maximum current
is approx. 40 mA.
Parameter 157: Digital output 1
Menu: Output control
Unit: ---
Resolution: 1
Default setting: 0
Password level: 1
The connector pin assignments are as follows:
X4, pin 15 Digital output 1
X4, pin 14 Ground reference for digital output 1
Parameter 158: Digital output 2
Menu: Output control
Unit: ---
Resolution: 1
Default setting: 0
Password level: 1
The connector pin assignments are as follows:
X4, pin 16 Digital output 2
X4, pin 17 Ground reference for digital output 2
Possible settings for digital outputs 1 and 2:
Value = 0 Digital output 1/2 is always "0"
Value = 1 Digital output 1 or 2 is "0" as long as the inverter is suffering from a fault and is
deactivated. If the cause of the fault is no longer present and the inverter begins a
new activation check, the digital output is "1" again.
Value = 2 Digital output 1 or 2 is "1" as long as the inverter is suffering from a fault and is
deactivated. If the cause of the fault is no longer present and the inverter begins a
new activation check, the digital output is "0" again.
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