PL8TC ISO - 8 Thermocouple Module Fully Isolated

The PL8TCISO module is a 8 isolated thermocouple input module. The module uses differential inputs to reduce effects of electrical noise and mains pickup. The thermocouple inputs are isolated from the logic and from each other. This module is operated in an identical way to the PM8TC module and is fully interchangeable.

The thermocouple voltage is read by the module circuitry, linearised and converted to degrees Centigrade. No ranging is required as the module covers the full range as indicated in the TC table. The value that is read from the Modbus register is the actual temperature in degrees centigrade to 0.1°C resolution. ie: a value of 3451 corresponds to a temperature of 345.1°C.

The module has built in Cold Junction Compensation. Use must be made of the correct thermocouple extension wire to avoid reading errors.

The thermocouple module can also be configured for a 0 – 50mV input range. The TC Type register must be set to 9 for this option. The value in the register which is read back over the network is 0 – 50,000.

PL8TC ISO - 8 Thermocouple Module Fully Isolated

Input

8 x Isolated Thermocouple Inputs

TC Types

J,K,E,T,N,B,S,R,mV,C,D and G

Resolution

0.1 Deg.C

Sample rate

0.63 samples/sec

Drift

100 ppm/Deg.C typ.

Isolation (Field & Logic)

1500VAC RMS

Isolation (Inter Channel)

350VAC (Pk to Pk)

Order Codes

  • PL8TC ISO - 8 Thermocouple Module Fully Isolated

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PL8TC ISO - 8 Thermocouple Module Fully Isolated

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