Supplementary Manual DeviceNet for NORDAC SK 200E
22
Subject to technical amendments
BU 0280 GB
Control connection details
Terminal/
Designation
Function
[factory setting]
Data
Description / wiring suggestion
Parameter
44 24V
External 24V supply
24VDC ±20%
≈
50mA , reverse polarity
protected
External supply voltage of the
technology unit and supply of the
digital inputs (DIN1 and DIN2)
-
40 GND
Reference potential
for digital signals
-
C1 DIN1
Digital input 1
[I/O DeviceNet DIN1]
Low 0V ... 5V
High 15V ... 30V
R
i
= 8.1k
Input capacitance 10nF
Scan rate 1 ms
Inputs as per EN 61131-2
Type 1
Each digital input has a reaction
time of 1ms.
P174
C2 DIN2
Digital input 2
[I/O DeviceNet DIN2]
P174
77 Sys
+
System bus
data cable +
System bus interface
-
78 Sys
-
System bus
data cable -
-
40 GND
Reference potential
for digital signals
-
Potential isolation
45 24V
24V supply
bus potential
-
75 DVN
+
DeviceNet Bus +
DeviceNet
The use of twisted, shielded two-
conductor cable is urgently
recommended
-
76 DVN
-
DeviceNet Bus -
-
46 GND
Bus
Data ground
Bus reference potential
-
90 SHLD
Shield
Data cable shield
-
45 +24V
Bus
Electrically isolated
24V bus supply
24VDC +/-20%
≤
50mA reverse polarity
protected
The external supply voltage of the
technology unit is at the potential of
the DeviceNet bus.
-
75 DVN
+
DeviceNet Bus +
DeviceNet
The use of twisted, shielded two-
conductor cable is urgently
recommended
-
76 DVN
-
DeviceNet Bus -
-
46 GND
Bus
Data ground
Bus reference potential
-
