Passive Analogue Output - Ao1, Ao2 And Digital Inputs - Di5, Di6 - Val Controls IHP24-A Hardware Manual

5.3 Passive analogue output – AO1, AO2 and Digital inputs – DI5, DI6
The two analogue outputs can be used to connect 4-20mA.
Passive AO
+ -
A
Active 4-20mA input
5.3.1 Terminals
AO1 21 (+)
22 (-)
AO2 23 (+)
24 (-)
DI5 51 (+)
52 (-)
DI6 25 (-)
26 (+)
5.3.2 Electrical specifications
AO1 – AO2 – Passive analogue output
Impedance
Linearity
Temperature coefficient
DI – Switch
Type
Cable length
Maximum cable resistance
DI – NAMUR
Type
Sensor supply voltage
Cable length
Max load
Rin
Val Controls A/S • Limfjordsvej 3 • DK-6715 Esbjerg N • Tel. +45 7547 0600
DHW-UM-002
Revision: 3
< 470 Ohm at 20mA and 9.4VDC
< 0.1%
0.015% / 1°C (Warm-up: 10 min)
Switch
20 meters
100 Ohm
NAMUR
8 V
1000 meters
600 Ohm
1040 Ohm
vc@valcontrols.com • www.valcontrols.com
DI
+ -
17/20