Product Overview
Technical Summary
| Product type | AI 8xU/I/R/RTD BA |
|---|---|
| Analog inputs | 8 |
| Resolution with overrange | 16 bit |
| Operational error limit, voltage/current/resistance | 0.5 % relative to input range |
| Common mode voltage | 4 V |
| Input voltage destruction limit | 12 V continuous, 30 V for max. 1 s |
| Current input destruction limit | 40 mA |
| Power consumption from backplane bus | 0.85 W |
| Supported connections | Voltage; 2-wire current with external supply; 4-wire current; 2-wire resistance for PTC; 3-wire resistance except PTC |
| Firmware version | V1.0.0 |
| Delivery | Infeed element, shield bracket and shield terminal; front connector ordered separately |
Key Features
8 analog input channels, with 8 channels available for current, voltage, resistance and resistance thermometer measurement.
16 bit resolution with 0.5% operational error limit for voltage, current and resistance relative to the input range.
Supported ranges include 1 V to 5 V, -1 V to +1 V, -10 V to +10 V, -5 V to +5 V, -50 mV to +50 mV, -500 mV to +500 mV, 0 to 20 mA, -20 mA to +20 mA and 4 mA to 20 mA.
Diagnostics, diagnostic alarms, limit value alarms, hardware interrupts, wire-break diagnostics for 1 … 5 V, 4 … 20 mA, R and RTD, and overflow/underflow detection are supported.
Supports voltage measurement, 2-wire current measurement with external supply, 4-wire current measurement, and 2-wire or 3-wire resistance measurement. Four-wire resistance measurement is not supported.
Delivery includes an infeed element, shield bracket and shield terminal. The front connector with screw terminals or push-in is ordered separately.
Frequently Asked Questions
What exact Siemens line item is this?
It is Siemens 6ES7531-7QF00-0AB0, product type AI 8xU/I/R/RTD BA.
How many analog channels does the module have?
It has 8 analog input channels. The module supports current, voltage, resistance and resistance thermometer measurement on 8 channels.
Which connectors are included?
Delivery includes an infeed element, shield bracket and shield terminal. The front connector with screw terminals or push-in is ordered separately.
Which signal connections are supported?
Voltage measurement, 2-wire current measurement with external supply, 4-wire current measurement, 2-wire resistance measurement only for PTC, and 3-wire resistance measurement except PTC are supported.
