ADS-tec IRF1401 - Interface overview

IRF1000 series Instruction manual v1.3 23
© ads-tec Industrial IT GmbH • Heinrich-Hertz-Str.1 • 72622 Nürtingen • Germany
6.3 Interface overview
6.3.1 24 VDC power supply
Power is fed to the device via a lead-through terminal (figure shows connector on the device).
Pin Signal
DI
Digital input +24 VDC ± 20 %
(function configurable)
FE
Functional earth (required for EMC)
0V Reference potential 0 V
V+ Supply voltage +24 VDC ± 20 %
Requirements on the power supply
• Conformity:
- Class PS2 acc. to IEC 62368-1 or
- Limited Power Source (LPS) acc. to IEC 60950-1
- For devices with UL-Certification: NEC Class 2
• Voltage: 24 VDC ± 20 %
• Short-circuit current: < 8 A
Informations on using the device acc. to UL certification (Underwriter Laboratories, USA):
• For the power supply of the device, a power adapter acc. to NEC Class 2 must be used
(LPS = Limited Power Source).
• Only use copper conductors to connect the power supply.
Recommendation for use:
Use flexible cables with a wire cross section of 0.5 mm² / AWG20 and appropriate
cable end sleeves.
To minimise mechanical strain between the individual wires and the plug, the
distance between jacket and plug should be at least 30 mm.