AKD-C Installation | 7 Technical description and data
7.6 Grounding System
There are several ground networks in the device:
DCOM
common line for digital inputs on I/O connector X15
GND
24 V supply
STO-GND
STO input
0 V
internal digital ground, service channel
7.7 Signal Inputs/Outputs
Interface
Electrical Data
Enable input
as per IEC61131-2 type 1
ON: 15 VDC to 30 VDC, 2 mA to 15 mA
OFF: -3 VDC to 5 VDC, < 1 mA
update rate 250 µs
galvanic isolation for 250 VDC
Digital output
as per IEC61131-2 type 1
max. 30 VDC, 100 mA
short circuit proof
galvanic isolation for 250 VDC
Relay output
max. 30 VDC, 1A
max. 42 VAC, 1 A
time open/close 10ms
isolation 400 VDC contact/coil
STO-Enable inputs
ON: 18 VDC to 30 VDC, 210 mA +10 mA per AKD-N
OFF: 0 VDC to 12 VDC, < 50 mA
galvanic isolation for 250 VDC
STO-Status outputs
as per IEC61131-2 type 1
max. 30 VDC, 100 mA
galvanic isolation for 250 VDC
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Kollmorgen | kdn.kollmorgen.com | February 2018