- Overview
- Specifications
- Description
- Applications
- Troubleshooting and Maintenance
- FAQ
- Recommended Products
Overview
Place of Origin: |
Sweden |
Brand Name: |
ABB |
Model Number: |
SNAT620PCB SNAT 620 PCB |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
5-7 days |
Payment Terms: |
T/T |
Supply Ability: |
In stock |
Specifications
|
Parameter |
Value |
|
Model |
SNAT620PCB SNAT 620 PCB |
|
Product Type |
PCB RTD Input Module |
|
Dimensions |
19.4 x 19.2 x 2.8 cm |
|
Weight |
0.28 kg |
|
Temperature Range |
-40°C to +85°C |
|
Resistance Accuracy |
±0.1% |
|
Supply Voltage |
12 V DC ±10% |
|
Current Consumption |
≤ 5 mA |
|
Communication Interface |
Modbus RTU |
|
Operating Humidity |
5%–95% (non-condensing) |
|
Protection Rating |
IP20 |
Description
The ABB SNAT620PCB SNAT 620 PCB RTD Input Module is a high-performance input device designed for precision temperature measurement applications in industrial control systems. It seamlessly integrates into ABB’s comprehensive suite of automation solutions, offering unparalleled accuracy and reliability.
Applications
Precision Laboratory Equipment Factory: Utilizes high-precision resistance data acquisition (±0.1%) to ensure the accuracy of constant-temperature testing equipment.
Cold Chain Logistics Equipment Factory: Relies on a wide operating temperature range of -40°C for stable operation in polar or cold storage monitoring environments.
Industrial Boiler Manufacturing Factory: Monitors multiple boiler temperatures in real time and achieves centralized digital management through MODBUS RTU.
New Energy Battery Factory: Monitors battery array temperatures during formation or charge/discharge processes to prevent thermal runaway risks.
Constant-Temperature Breeding and Incubation Plant: Provides low-power operation (≤5mA), suitable for monitoring systems requiring long-term uninterrupted operation.
Troubleshooting and Maintenance
Troubleshooting:
Reading jumps or errors: Check if the RTD shield is grounded to prevent high-frequency interference from affecting ±0.1% accuracy.
Communication timeout: Verify that the 12VDC voltage is stable within ±10% and check the MODBUS address settings.
Maintenance Recommendations:
Regularly clean dust from the PCB surface to prevent micro-short circuits in high humidity environments (95%).
Calibrate the front-end RTD sensor quarterly to maintain the accuracy of the entire system's measurement chain.
FAQ
Q1: What RTD sensors does SNAT620PCB SNAT 620 PCB support?
A: It supports common RTDs such as Pt100 and Pt1000, configurable via Modbus.
Q2: Will 12VDC fluctuation affect SNAT620PCB SNAT 620 PCB accuracy?
A: No, within 12VDC ±10% with internal regulation, resistance accuracy stays at ±0.1%.
Q3: Can SNAT620PCB SNAT 620 PCB operate at 95% humidity?
A: Yes. It supports high humidity operation, but no condensation; otherwise use a dehumidified enclosure.
Q4: How many modules can be connected on one Modbus link for SNAT620PCB SNAT 620 PCB?
A: Up to 247 nodes per Modbus RTU network; recommend a repeater every 32 nodes.
Q5: Can SNAT620PCB SNAT 620 PCB be battery powered at 5mA consumption?
A: Yes. Its ≤5mA ultra-low power design is suitable for battery-powered or portable monitoring systems.