nord NORDAC SK 225E - Devicenet Module, SK CU4-DEV

3.3 Internal Customer Unit
BU 0200 GB Subject to technical alterations 65
3.3.4 DeviceNet Module, SK CU4-DEV
Bus module for the control, parameterisation and diagnosis of up to four frequency inverters via DeviceNet.
• Baud rate: Max. 500 kBaud
• Protocol: AC-Drive and NORD-AC Protocol
• 2x digital inputs
• Address and baud rate via DIP switch
• Status LED: BG status, BG fault, DIN1, DIN2,
Bus status, Bus fault
• Details in Bus Manual BU 0250 (www.nord.com)
Module
SK CU4-DEV
Function
Pin
Labelling
1
44
+24V, external 24 V supply
External supply voltage for the module,
24V ±20%, ≤ 150mA
2
40
GND reference potential
3
C1
BDIN1 / digital input 1
Digital inputs, SPS-compatible as per EN61131-2,
low: 0-5V, high: 11-30V
…, used for further processing via the bus.
4
C2
BDIN2 / digital input 2
5
77
SYS+, system bus
System bus connection to FI
6
78
SYS-, system bus
7
40
GND, reference potential
External, galvanically isolated supply voltage for
DeviceNet, 24V ±20%, ≤150mA
8
45
+24VB, external galvanically
isolated 24V bus supply
Electrical isolation
9
75
CAN+, DeviceNet
DeviceNet data cable for external communication,
incoming
10
76
CAN-, DeviceNet
11
46
GNDB, Bus Ground Bus reference potential
12
90
SHLD, Shield Data cable shielding
13
45
+24VB, external galvanically
isolated 24V bus supply
External, galvanically isolated supply voltage for the
CANopen bus, 24V ±20%, ≤150mA
14
75
CAN+, DeviceNet
DeviceNet data cable for external communication,
outgoing
15
76
CAN-, DeviceNet
16
46
GNDB, Bus Ground Bus reference potential