Input signals, Output signals supply and module status – Weidmuller ACT20X User Manual
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Product Installation / Operation, ACT20X-HTI-SAO (Temperature/mA Converter)
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Input signals
44
43
42
41
14
13
12
11
24
23
22
21
+
Current
RTD
TC
Connection, wi
res
+
Current
RTD
TC
Connection, wi
res
Output signals
Supply and module status
Supply -
Supply +19.2...31.2 VDC
N.C.
Module status
Module status
mA
mA
4...20 mA
+
-
42
41
44
43
-
+
-
-
mA
mA
4...20 mA
Analogue, 0/4...20 mA
2-wire supply +
2-wire supply -
2-wire supply +
2-wire supply -
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
Channel 1
Channel 1
Channel 2
Channel 2
Illustration 7-6: Applications
RTD Input
Pt100, according to
-200…+850 °C, IEC 60751
Ni100, according to
-60…+250 °C, DIN 43760
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
Sensor error detection (programmable)
ON/OFF