- Product Description
-
Order Data
Order Data Order No. Six-channel weighing transducer,16Bit,6 sensor signal input, 6VDC excitation power output, isolation 16 bit accuracy CTH2 231-7WF32
- Technical Spec
-
Performance ParametersOrder no.
CTH2 231-7WF32
Channel number
6
Sampling frequency
50Hz
Internal resolution
65535（16bits）
Weight value data format
2 byte
Applicable CPU type
CTH200,CTMC series
Power from the CPU bus
+5V current consumption
<80mA
24 V Power supply
Rated voltage
DC 24 V
Voltage range
DC 20.4～28.8V
Maximum current consumption
100mA
Typical power consumption
2.4W
LED diagnose
LED Indicator
+24VDC: On = 24VDC power supply normal, Off = no 24VDC power supply
SF: Flicker = Sensor disconnection, Off = No Error
Configurable filter
The limiting frequency of the low pass filter
0.05Hz、0.1Hz、0.2Hz、0.5Hz 、1Hz、2Hz、5Hz
Average filter
0~150
Isolation characteristics
Site to logic
500VAC
Site to 24VDC
500VAC
24V to logic
500VAC
Common mode rejection
>120dB@120VAC
Interference suppression
Noise suppression
85dB@50Hz/60Hz
Connection of weight sensor
Connection
Only 4-wire full bridge strain gauge is supported
Length of lead to sensor
Maximum 50 m
Error
Full-scale error limit (at 20℃±10℃)
≤0.1%
Sensitivity temperature coefficient
≤±20ppm/K v. E
Zero temperature coefficient
≤±0.1uV/K
Basic error
0.05％FS
Linear error
≤0.01%FS
Measuring range
0~1mV/V；0~2mV/V；0~4mV/V
Weighing sensor power supply
Voltage
Current（max）
Typical DC 6V
150mA
Allowable resistance value of weighing sensor
Explosion-free connection
Explosion-proof connection
＞40Ω，＜4010Ω
＞87Ω，＜4010Ω
Common mode suppression CMRR@50/60Hz
Typical 80dB
Insulation
500V DC
The information of the 7WF module is identified as 8AI/2AQ. For example, if the module is attached to the first slot of the CPU, the corresponding address information is as follows
AIW0
AIW2
AIW4
AIW6
AIW8
The first way data
The second-way data
The third-way data
The fourth-way data
The fifth-way data
AIW10
AIW12
AIW14
AQW0
AQW2
The sixth-way data
Reserved, not available
Reserved, not available
Configuration data 1
Configuration data 2
- Installation
-
SM231-7WF is the size of large module. The installation size is shown in the figure.
Wiring diagram of the weighing module SM231-7WF
