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COTRUST CTH200 Series User Manual

COTRUST CTH200 Series
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CTH200 Series PLC User Manual
325
MSB LSB
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
m
t
t
a
i
i
q
q
m: If there
is module
0Module
1No
module
tt: Module type
00Non-intelligent
I/O module
01Intelligent
module
10Reserved
11-- Reserved
a: I/O type
0Digital
1Analog
ii: Inputs
00No input
01--2 AI or 8 DI
10--4 AI or 16 DI
11--8 AI or 32 DI
qq: Outputs
00No output
01--2 AQ or 8 DQ
10--4 AQ or 16 DQ
11--8 AQ or 32 DQ
Odd byte (module error register) format:
MSB LSB
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
c
0
0
b
r
p
f
t
c:
Configuration
error
0No error
1-- Error
b: Bus or
parity error
0-- No error
1-- Error
r: Over
range error
0-- No
error
1-- Error
p: User
power error
0-- No error
1-- Error
f: Fuse
error
0-- No
error
1-- Error
t: Terminal
block loose
error
0-- No error
1-- Error
SMW22 to SMW26: Scanning time
SMW22, SMW24 and SMW26 offer information of scanning time: minimum scanning time,
maximum scanning time and last scanning time calculate by ms
SM address
Function description(read only)
SMW22
Last scanning time
SMW24
Recorded minimum scanning time after entering RUN mode
SMW26
Recorded maximum scanning time after entering RUN mode
SMB28 to SMB29: Analog potentiometer
Special memory bytes 28 and 29 contain values corresponding to analog potentiometer 0 and 1
axes position. The analog potentiometer is located in front of the CPU behind the access gate.
Use a screwdriver to adjust the potentiometer (increasing clockwise or decreasing
counterclockwise). This type of read-only value can be used by a program to perform various
functions, such as updating the current value for a timer or counter, inputting or changing a
preset value, or setting limits. It also has a rated range of 0 to 255, and reliable repeats of ±2
counts. Detailed description is shown in the following table:
SM address
Function description(read only)
SMB28
Input of memory analog regulator 0. Updating it for every scan in
STOP/RUN mode
SMB29
Input of memory analog regulator 1. Updating it for every scan in
STOP/RUN mode

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COTRUST CTH200 Series Specifications

General IconGeneral
BrandCOTRUST
ModelCTH200 Series
CategoryController
LanguageEnglish