COTRUST CTH200 Series - Page 84

Technical Specifications
74
Transfer principle
Σ-Δ
Module update time: All
channels
425ms
825ms
Wire length to sensor
Max. 100m
Conductor loop resistance
Max. 100Ω
Suppression of
interference
85dB@ 50Hz/60Hz/400Hz
Data word format
Voltage: -27648~+27648
Input impedance
>1MΩ
Max. Input voltage
30VDC
Input Filter attenuation
-3dB@ 21kHz
Basic error
0.1% FS(voltage)
Repeatability
0.05% FS
cold junction error
±1.5℃
Addressing method
AIW Addressing
VW Addressing
Wiring diagram
SM231 thermocouple input module (CTH2 231-7PD32) x 4TC
SM231 thermocouple input module (CTH2 231-7PF32) x 8TC
A+ B+ C+ D+
－
A B－ C－ D－ E－E +
24V
M L+
SM231AI8 TC ×
231-7PF32
+24
VDC
C onfig ura tion
SF
F+ G+ H+－G H－
F
－
TC
TC
24VDC
Table 4-5-8 TC module Diagnose
Error type
Channel data
SF LED
24V LED
Range
status bit
24V Power
fault