AS Series Module Manual
7- 4
7.2 Specifications and Functions
7.2.1 Specifications
Electrical specifications
Module Name AH04TC-A AH08TC-A
Number of Analog
Inputs
4 8
Applicable Sensor
Type J, type K, type R, type S, type T, type E, type N, and type B
thermocouples; ±100 mV voltage inputs
Supply Voltage
24 VDC (20.4–28.8 VDC) (-15% to +20%)
Connector Type
Removable terminal block
Overall Accuracy
25° C/77° F: The error range allowed is ±0.5% of full scale.
-20° C to +60° C/-4° F to +140° F: the error range allowed is ±1% of full scale.
Conversion Time
200 ms/channel
Isolation
An analog circuit is isolated from a digital circuit by a digital integrated circuit/
optocoupler, and the analog channels are isolated from one another by
optocouplers.
Isolation between a digital circuit and the ground: 500 VDC
Isolation between an analog circuit and the ground: 500 VDC
Isolation between an analog circuit and a digital circuit: 500 VDC
Isolation between the 24 VDC and the ground: 500 VDC
Isolation between analog channels: 120 VAC
Weight
115g 125g
Functional specifications
Analog-to-Digital
Conversion
Centigrade (°C) Fahrenheit (°F) Voltage Input
Rated Input Range
*1
Type J: -100° C to +1,200° C
Type K: -100° C to +1,350° C
Type R: 0° C to 1,750° C
Type S: 0° C to 1,750° C
Type T: -150° C to +400° C
Type E: -150° C to +980° C
Type N: -150° C to +1,300° C
Type B: 200° C to +1,800° C
Type J: -148° F to +2,192° F
Type K: -148° F to +2,462° F
Type R: 32° F to 3,182° F
Type S: 32° F to 3,182° F
Type T: -238° F to +734° F
Type E: -238° F to +1,796° F
Type N: -238° F to +2,372° F
Type B: 392°F to 3,272°F
±100 mV
Average Function
Range: 1-100
Self-Diagnosis
Disconnection detection
*1 If the measured temperature exceeds the upper limit, it only shows the maximum value. If the measured
temperature is below the lower limit, it only shows the minimum value.
To Next Page
Loading...