CT5-TJA Yokogawa Thermocouple Input Module

Thermocouple Input Module Yokogawa CT5-TJ*A

Thermocouple Input Module Yokogawa CT5-TJ*A

التوفر: 10 متوفر في المخزون

Yokogawa CT5-TJ*A Thermocouple Input Module Configured for precision temperature monitoring in Yokogawa distributed control systems, the Yokogawa CT5-TJ*A (CT5-TJ*A Thermocouple...

رمز المنتج: CT5-TJ*A

Manufacturer: Yokogawa
Product No.: CT5-TJ*A
Product Type: Thermocouple Input Modules
Product Origin: Japan
Payment:T/T, Western Union
Weight: 600g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

Yokogawa CT5-TJ*A Thermocouple Input Module

Configured for precision temperature monitoring in Yokogawa distributed control systems, the Yokogawa CT5-TJ*A (CT5-TJ*A Thermocouple Input Module) provides direct electrical execution of millivolt-to-temperature signal conversion.

Hardware Specifications

Parameter	Specification
Model	CT5-TJ*A
Brand	Yokogawa
Origin	Japan
Weight	0.6 kg
Dimensions	20 × 128 × 120 mm
Operating Temp	-10 to 60 deg C
Power Consumption	24 VDC ±10%
Input Type	Type J Thermocouple
Measurement Range	0 to 180 deg C
Accuracy	±0.5 deg C

Process Control and Channel-to-Channel Isolation

The CT5-TJ*A utilizes internal signal conditioning to process low-level millivolt inputs, ensuring high-fidelity data acquisition within the CENTUM VP/CS 3000 platform. To maintain stability against electromagnetic interference in industrial environments, the module employs channel-to-channel isolation. This electrical architecture prevents common-mode noise propagation between thermocouple inputs and the system bus, effectively mitigating ground loop issues. Cold junction compensation (CJC) is managed internally to ensure that thermal gradients across the terminal connections do not introduce measurement drift.

Frequently Asked Questions

Q: Can this module compensate for thermocouple lead-wire resistance?

A: The CT5-TJ*A is designed to measure thermocouple potential; however, for extended wire runs, ensure that the total loop resistance remains within the specified limits to prevent attenuation of the low-level millivolt signal.

Q: Is this module compatible with live-insertion (hot-swap) procedures?

A: Field installation practices for this module series strictly require the module slot to be de-energized via the system controller prior to insertion or extraction to prevent surge damage to the backplane communication bus.

Field Installation Guidelines

Mounting: Insert the module into the designated CENTUM VP/CS 3000 I/O nest. Ensure the module locking mechanism is fully engaged to maintain reliable contact with the backplane bus.
Wiring: Use thermocouple-grade extension wire matching the J-type calibration. Connect the positive and negative leads directly to the module terminals to minimize parasitic thermoelectric junctions.
Shielding: Terminate cable shields at the cabinet-level grounding bar. Avoid connecting shields at the module terminals to prevent ground loops and maintain the effectiveness of the channel-to-channel isolation.
Environment: Ensure the I/O nest has adequate clearance for thermal dissipation. Avoid installing the module in areas exposed to direct thermal radiation or excessive high-frequency vibrations that could lead to mechanical fatigue of the terminal connectors.

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