Weidmüller ACT20X - Page 29

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51
52
53
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Input signals
44
43
42
41
14
13
12
11
24
23
22
21
+
Current
RTD
TC
Connection, wires
+
Current
RTD
TC
Connection, wires
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
Specifications
RTD, Input
Input type Min. value Max. value Standard
Pt100 -200 °C +850 °C IEC 60751
Ni100 -60 °C +250 °C DIN 43760
Input for RTD types 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
Short circuit detection <2 μA
Else 0 μA
*No short circuit detection for Pt100, Pt200 and Pt50