: Use three wires of equal resistance for the best accuracy.
| Terminal Block | Label | Function | | :--- | :--- | :--- | | | TC1+, TC1-, TC2+, TC2- | Thermocouple inputs 1 & 2 | | INPUT B | TC3+, TC3-, TC4+, TC4- | Thermocouple inputs 3 & 4 | | OUT 1 | NO, COM, NC | Relay output (Zone 1 heat) | | OUT 2 | NO, COM, NC | Relay output (Zone 2 cool/heat) | | OUT 3 | V+, V-, S+ | SSR driver (5V DC, 20mA) | | COM | A, B, GND | RS-485 (Modbus RTU) | | PWR | VIN+, VIN- | 24V DC input (reverse polarity protected) | xmtk-9000 user manual
Always separate power supply lines from signal input cables to reduce electromagnetic interference. Ensure proper grounding to protect against voltage spikes. : Use three wires of equal resistance for the best accuracy
(though some variants support up to 400°C or higher depending on the sensor type). XMTK-9000 Technical Specifications Key performance data sourced from the XMTK-9000 Operation Manual and merchant listings like Hayes Industrial Solutions Temperature Range: 0–300°C (Standard for welding). Power Supply: Available in 110V or 220V AC (85–242V range). Measurement accuracy of ±0.5% Full Scale with a 0.5-second sampling cycle. Input Types: (though some variants support up to 400°C or
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