DHW-UM-004
Val Controls A/S
•
Sallingsundvej 5
•
DK-6715 Esbjerg N
•
Tel. +45 7547 0600
•
www.valcontrols.com
Revision: 4
9/20
3.4
Position sensor – AI10
The position feedback can be delivered from a 3-wire potentiometer. The sensor input can as an
alternative also be used as a 4-20mA loop input.
AI10
10
9
8
Potentiometer
AI10
Passive loop
68
Ω
1W
1
kΩ
¼W
10
8
5
9
6
+
-
AI10
Active loop
68
Ω
1W
1
kΩ
¼W
10
8
6
9
+
-
The external resistors must be mounted to get the correct functionality.
3.4.1
Terminals
Sensor
Passive loop
Active loop
AI10
8 Pot high
9 Wiper
10 Pot low
5 (+)
9 (-)
9 (+)
6 (-)
3.4.2
Electrical specifications
AI10 – Position sensor
Potentiometer size
5 kΩ to 20 kΩ
Minimum use operating area
40%
Cable length
1.5 meters
Linearity
< 0.1%
Temperature coefficient
0.01% / 1
°
C (Warm-up: 10 min)
AI10 – Loop
External loop max Rload
820 Ohm at 20mA and 16.4VDC
Operating area
4 – 20mA
Minimum span
12mA
Cable length
1000 meters
Linearity
< 0.1%
Temperature coefficient
0.01% / 1
°
C (Warm-up: 10 min)
Rin
< 100 Ohm
