10 ATR171 -
User manual
5.1.c
Analogue input AI2 (only for ATR171-23ABC-T)
To enable the second analogue input, set the dip
switches as indicated in the figure
.
In this configuration the serial RS485 is
not
available.
14
15
TC
AI2
Shield/Schermo
For thermocouples K, S, R, J
.
• Comply with polarity.
• When extending thermocouples be sure to use the
correct extension/compensating cable.
• When shielded cable is used, it should be grounded at
one side only.
13
14
15
AI2
Shield/Schermo
PT/NI100
For thermoresistances PT100, NI100
.
• For a three-wires connection use cables with the same
diameter.
• For a two-wires connection short-circuit terminals 13
and 15.
• When shielded cable is used, it should be grounded at
one side only.
15
14
13
RED / ROSSO
WHITE / BIANCO
RED / ROSSO
13
14
AI2
Shield/Schermo
PT
C/NT
C
For thermoresistances NTC, PTC, PT500, PT1000 and
linear potentiometers
.
When shielded cable is used, it should be grounded at
one side only.
Examples of connection for linear input
17
18
0...10V
+
-
For linear signals 0..10 V.
Comply with polarity.
Содержание ATR 171
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