User guide

Product Installation / Operation, ACT20X-HUI-SAO (Universal Converter)
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51
52
53
54
Input signals Output signals
Power connection
Gnd.
Supply +19.2...31.2 VDC
NC
Device status
Supply via
power rail
Device status
Zone 0, 1, 2, 20, 21, 22 /
Cl. I/II/III, div. 1 gr. A-G
Zone 2 / FM Cl. 1,
div. 2, gr. A-D or safe area
+
+
14
13
12
11
24
23
22
21
+
-
Tx
Current Voltage
Potenti-
ometer
RTD and lin. R TC
* Order separately:
CJC connector
Connection, wir es
+
-
42
41
44
43
14
13
12
11
+
Analogue, 0/4...20 mA and relay
mA
mA
Relay
Relay
NO
Ch an n el 1:
Ch an n el 2:
*
Illustration 7-12: Applications
RTD, Resistance and Potentiometer Input
Pt100, according to -200…+850 °C, IEC 60751
Ni100, according to -60…+250 °C, DIN 43760
Resistance
(without short circuit detection in the range
R = 0…18Ω, appr.)
0…10 kΩ
Potentiometer 10 Ω…10 kΩ
Sensor types
(* = without short circuit detection)
Pt10*, Pt20*, Pt50*, Pt100, Pt250, Pt300, Pt400,
Pt500, Pt1000, Ni50, Ni100, Ni120, Ni1000
Cable resistance per wire (max.) 50 Ω
Sensor current nom. 0.2 mA
Effect of sensor cable resistance (3/4-wire) < 0.002 Ω