Technical data AK 4021
Supply voltage
Nominal value 24 V DC 
Permissible range 20 ... 30 V DC 
or 
Nominal value +/-12 V DC 
Permissible range +/-10 ... +/-15 V DC
Current input
with FE 5... approx. 400 mA 
with FR 5... approx. 200 mA 
with FX 4.../ FX 5... approx. 300 mA
Analog output, see wiring diagram for wiring variants
Output voltages +/-10 V DC 
 -/+10 V DC 
 0 V ... +10 V DC 
 +10 V ... 0 V DC 
Resolution 10 Bit 
perm. input impedance 10 kΩ
Digital outputs, potentially isolated
Output voltage 
Nominal value 24 V DC 
Nominal range 20 ... 30 V DC 
Output impedance 1 kΩ
Serial interface (CAN-Bus)
Level 5 V 
Baud rate 250 kBaud
Ambient temperature 10 °C ... +50 °C
Storage temperature -20 °C ... +80 °C 
Protection class 
Module carrier IP 00 
with housing IP 54
Dimensions L x B x H 
Module carrier 111 x 75 x 56 mm 
with housing 150 x 150 x 80 mm

FR5502 / FR5503 / DC5501 / PK0510 / FX5030 / FX5230 / KF2020 / FE0202 / PD2535 / FR5001 / CV2201 / BT8013 / KR4830 / EK4025 /