COTRUST CTH200 Series - Analog Output Module Specification

CTH200 Series PLC User Manual
61
A/D Converter resolution
Unipolar 12bits, Bipolar 11bits+sign bit
Measure principle
successive approximation
Measuring error
0.5% (max)
Simulate input addressing
AIW
Wiring diagram
SM231 high precision AI module (CTH2 231-5HF32)
<Note> Short connect the unused terminal in the figure above, for F+ and F-.
Range selection and software configuration
【Range selection switch position】
【Range selection】
The following table shows how to set the range of SM231 8AI with DIP switch. Use 3, 4 and 5 to
select the analogy input range, use 1 and 2 to select current input mode(ON means current input
mode for channel 6, OFF means voltage mode), for switch 2, ON means current input mode for
channel 7, OFF means voltage mode.
Attention: The unused DIP switch SW4 ~ SW6 must be set to OFF.
Table 4-4-11 DIP switch configuration of SM231-5HF
Unipolar
Full-range
Resolution
SW3
SW4
SW5
ON
OFF
ON
0-10V
2.5mV
ON
ON
OFF
0-5V
1.25mV
0-20mA
5μA
Bipolar
Full-range
Resolution
SW3
SW4
SW5
OFF
OFF
ON
±5V
2.5mV
OFF
ON
OFF
±2.5V
1.25mV
4.4.2 Analog Output Module Specification
Table 4-4-12 Analog output modules specifications