Position Sensor - Ai10 - Val Controls I 24-AF Series Hardware Manual

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