5
Connections
5.1
General
All connections except Ethernet are available on screw terminals.
5.2
Power Supply
The power supply must be 12VDC to 24VDC regulated. The maximum current required is
100mA. The maximum heat dissipation is 2.4W.
5.3
Digital Inputs
The state of each input is shown on an LED next to the connector.
The inputs have a common negative connection, in two groups of four.
Connector
Function
Opto-Coupled Input Details
POWER
+
Power supply 12V to 24V
POWER -
Power supply 0V
IP1
Input 1 positive
IP2
Input 2 positive
IP3
Input 3 positive
IP4
Input 4 positive
Operating Conditions
COM1
Common negative for inputs 1, 2, 3, 4
5V
∗
V
IP
∗
24V
Logic 1
IP5
Input 5 positive
V
IP
∗
2V
Logic 0
IP6
Input 6 positive
V
F
1.5V typ
IP7
Input 7 positive
I
IN
=1.8mA @ V
IP
=5V
IP8
Input 8 positive
I
IN
=11.3mA @ V
IP
=24V
COM1
Common negative for inputs 5, 6, 7, 8
