Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | AI 4xU/I/RTD/TC ST |
| Analog input channels | 4; in groups of 4 |
| Resolution with overrange | 16 bit |
| Operational error limit | 0.3% relative to input range for voltage, current, resistance, resistance thermometer, and thermocouple measurement |
| Rated supply voltage | 24 V DC |
| Permissible supply voltage range | 19.2 V to 28.8 V DC |
| Common mode voltage, max. | 10 V |
| Firmware version | V1.0.0 |
| Input connection | Voltage, 2-wire current transducer, 4-wire current transducer, 2-wire resistance measurement for PTC, 3-wire and 4-wire resistance measurement |
| Delivery | Push-in front connector, infeed element, shield bracket, and shield terminal |
Applications
- Analog signal measurement: Measures voltage, current, resistance, resistance thermometer, and thermocouple signals through its analog input channels.
Key Features
- Analog input channels: 4 analog input channels in groups of 4; 4 channels support current measurement, voltage measurement, and thermocouple measurement, while 2 channels support resistance and resistance thermometer measurement.
- Signal ranges: Supported ranges include 1 V to 5 V, -1 V to +1 V, -10 V to +10 V, -2.5 V to +2.5 V, -250 mV to +250 mV, -5 V to +5 V, -50 mV to +50 mV, -500 mV to +500 mV, -80 mV to +80 mV, 0 to 20 mA, -20 mA to +20 mA, and 4 mA to 20 mA.
- Resolution and accuracy: Resolution with overrange is 16 bit. The operational error limit in the overall temperature range is 0.3% relative to the input range for voltage, current, resistance, resistance thermometer, and thermocouple measurement.
- Thermocouple and resistance support: The module supports thermocouple types B, E, J, K, N, R, S, and T; Ni 100, Ni 1000, LG-Ni 1000; Pt 100, Pt 1000, Pt 200, and Pt 500; 0 to 150 ohms, 0 to 300 ohms, 0 to 600 ohms, 0 to 6000 ohms, and PTC.
- Diagnostics and interrupts: Features include diagnostics, diagnostic and limit value alarms, supply voltage monitoring, wire-break detection for 1 V to 5 V, 4 mA to 20 mA, TC, R, and RTD, overflow/underflow detection, and hardware interrupts.
- Supply and delivery: Rated supply voltage is 24 V DC, with a permissible range of 19.2 V to 28.8 V DC and reverse polarity protection. Delivery includes a push-in front connector, infeed element, shield bracket, and shield terminal.
Frequently Asked Questions
1. How many analog input channels does Siemens 6ES7531-7QD00-0AB0 have?
It has 4 analog input channels in groups of 4. Two channels support resistance and resistance thermometer measurement.
2. Which signal ranges does the module support?
Supported ranges include 1 V to 5 V, -10 V to +10 V, 0 to 20 mA, -20 mA to +20 mA, and 4 mA to 20 mA, plus the other voltage and current ranges listed for the module.
3. What is the module resolution and accuracy?
Resolution with overrange is 16 bit. The operational error limit is 0.3% relative to the input range for voltage, current, resistance, resistance thermometer, and thermocouple measurement.
4. What diagnostics are available?
The module has diagnostic and limit value alarms, supply voltage monitoring, wire-break detection for selected ranges, overflow/underflow detection, hardware interrupts, and RUN, ERROR, PWR, channel-status, channel-diagnostics, and module-diagnostics LEDs.
5. What is included with the module?
Delivery includes a push-in front connector, infeed element, shield bracket, and shield terminal.
