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COTRUST CTH200 Series User Manual

COTRUST CTH200 Series
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CTH200 Series PLC User Manual
77
DIP switch and software configuration
DIP switch configuration
SM231 TC module enjoys 7 types thermocouple: J, K, E, N, S, T and R. It has a convenient
isolated interface and allow to connect micro analog signal (range ±80mV), All TC on module
must be the same type and its better to use isolated TC sensor.
Users can use DIP switch to configure TC type, Open Wire detection, Scale Unit, Cold junction
compensation and open-circuit fault direction as shown in the following figures.
For SM231 4TC module, SW1~SW3 are used for selecting TC type, SW4 remained OFF
(unused), SW5 used for Open Wire Detect Direction, SW6 for Open Wire Detect Enable, SW7 for
Scale Unit, SW8 for Cold junction.
For SM231 8TC module, SW1~SW3 are used for selecting TC type, SW4 for Open Wire Detect
Direction, SW5 for Scale Unit, SW6 for Cold junction compensation. There is no need for user to
set Open Wire Detect Enable for it has been fixed yes.
The DIP configuration can be effective by cut-off and recycle the PLC/users power supply.
Table 4-5-10 Selecting TC type:
TC type
SW1
SW2
SW3
J(default)
0
0
0
K
0
0
1
T
0
1
0
E
0
1
1
R
1
0
0
S
1
0
1
N
1
1
0
+/- 80mV
1
1
1

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COTRUST CTH200 Series Specifications

General IconGeneral
BrandCOTRUST
ModelCTH200 Series
CategoryController
LanguageEnglish