4 | Connection of the control
KEB Automation KG
20
ma_dr_f6-cu-a-inst-20118593_en
4.2.4 Analog input
4.2.4.1 Differential input
ACHTUNG
No potential separation of the analog inputs to the control voltage!
Malfunction or defect caused by voltage differences.
a) A potential equalizing line between analog value source and analog input is re-
quired if the analog value is outside the common mode range.
b) Connect potential equalizing line with 0V of the control terminal block.
Specification (differential inputs)
Number
2
Name
AN1, AN2
Terminals
X2A.18 (AN1)
X2A.20 (AN2)
Classification
Non-isolated differential input
Input signals
Current/voltage switchable
Voltage input
DC 0…±10 V
Current input
DC 0…±20 mA; DC 4…20 mA
Common mode range
-12.5 V…17.5 V
Connection
Connection of the analog differential inputs AN1 and AN2
20
22
19
18
17
21
+
*
0…±10Vdc
+
0…±20mA
4…20mA
*) Equipotential bonding conductor
4.2.4.2 Absolute input
Specification (absolute input)
Number
1
Name
AN3
Terminals
X2A.1 switchable via software as digital/
analog input)
Classification
non-isolated absolute input
Input signals
Voltage
Voltage input
DC 0.2…10 V / max. 5 mA
Others
Is not intended for control with poten-
tiometer. The voltage source must be
able to supply the input current.
