DHW-UM-004
Val Controls A/S
•
Sallingsundvej 5
•
DK-6715 Esbjerg N
•
Tel. +45 7547 0600
•
www.valcontrols.com
Revision: 4
11/20
3.6
Digital input – DI1, DI2, DI3, DI4
Use digital inputs to connect dry signals.
DI
+
-
Switch
+
-
DI
+
-
NAMUR
+
-
3.6.1
Terminals
DI1
39 (+)
40 (-)
DI2
41 (+)
42 (-)
DI3
43 (+)
44 (-)
DI4
45 (+)
46 (-)
3.6.2
Electrical specifications
DI – Switch
Type
Switch
Cable length
20 meters
Maximum cable resistance
100 Ohm
DI – NAMUR
Type
NAMUR
Sensor supply voltage
8 V
Cable length
1000 meters
Max load
600 Ohm
Rin
1040 Ohm
