![Eaton Holec Clink II User Manual Download Page 72](http://html1.mh-extra.com/html/eaton-holec/clink-ii/clink-ii_user-manual_3683038072.webp)
CLINK II SCU MANAGER
technical specifications scu
version 5.0
72
Note
The cable shield of the DeviceNet cable is connected to the cassette.
see figure 23 on page 69 and table 65 for the lay-out of the interface aboard. X2 (network A) and X3 (network
B when applicable) are the connectors to the vertical connections.
8.4
Inputs and outputs
8.4.1
Digital inputs
The digital inputs are used for reading of contact and push button statuses. For information regarding the
function of digital inputs see table 5.3.1 on page 25.
Technical specification digital inputs
8.4.2
Analog inputs
The analog inputs are used for measurement of phase currents, phase voltages and earth leakage currents.
The SCU has 5 analog inputs. For a description see table 67.
Table 65: Connector description vertical connections DeviceNet™
and GPS
Pin number
Description X2
Description X3
1
24V+A
24V+B
2
24V-A
24V-B
3
V+A
V+B
4
CAN_HA
CAN_HB
5
CAN_LA
CAN_LB
6
V-A
V-B
Table 66: Technical specification digital inputs
Name
Specification
Unit
Nominal input voltage
24
Vdc
Max. input voltage
30
Vdc
Input resistance
2300 - 2500
Ohm
Threshold voltage high
> 17
Vdc
Threshold voltage low
< 13
Vdc
Transient
150
Vmsec
Vmax = 150
V