Configured for signal termination in process control platforms, the Yokogawa ATR8S-10 (ATR8S Terminal Block) provides direct physical/electrical execution of RTD signal connection and surge protection.
Configured for signal termination in process control platforms, the Yokogawa ATR8S-10 (ATR8S Terminal Block) provides direct physical/electrical execution of RTD signal connection and surge protection.
Hardware Specifications
Parameter
Specification
Model
ATR8S-10
Brand
Yokogawa
Origin
Japan
Weight
0.20 kg
Dimensions
Standard panel accessory footprint
Operating Temp
Standard industrial range
Power Consumption
Passive device
Function
Pressure clamp RTD termination with surge absorber
DCS Connectivity and Transient Protection
The ATR8S-10 functions as a dedicated hardware component for RTD input interfacing within CENTUM DCS architectures. The module incorporates integrated surge absorber circuits to mitigate transient voltage spikes that could otherwise propagate through field sensor wiring to the sensitive analog input modules. As a passive termination device, it maintains strict signal impedance characteristics required for high-accuracy RTD measurements. Users must verify the integrity of the pressure clamp connections to ensure consistent contact resistance, as deviations in terminal torque can induce measurement errors in sensitive temperature monitoring loops.
Frequently Asked Questions
Q: Does the surge absorber require periodic testing or replacement?
A: The integrated surge protection is a solid-state or component-based passive assembly. While it does not require active configuration, it should be visually inspected for thermal discoloration or physical damage following any significant lightning or power surge event in the field loop.
Q: Is the pressure clamp terminal compatible with both solid and stranded wire?
A: Yes. The pressure clamp design is engineered for standard industrial gauge wiring. Ensure the wire ends are correctly stripped and, if using stranded wire, consider the use of ferrules to prevent fraying and ensure a secure, low-resistance connection.
Field Installation Guidelines
Mount the ATR8S-10 on a DIN rail or panel surface that provides a secure path to the system earth bus to ensure effective surge dissipation.
Route RTD field wiring separately from high-voltage AC power lines to prevent induced noise and electromagnetic interference (EMI).
Confirm that the terminal clamp is tightened to the recommended torque specifications to prevent loose connections, which can cause erratic temperature readings.
Verify the signal polarity before final termination to the corresponding DCS input channel.
Inspect the terminals for signs of oxidation or moisture ingress, especially in environments with high humidity, to maintain long-term signal stability.
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