Key Features
- SM 1234 analog I/O module: Provides 4 analog inputs and 2 analog outputs for signal handling in the S7-1200 range.
- Input signal types: Supports current or voltage differential inputs with ±10 V, ±5 V, ±2.5 V, 0 to 20 mA, and 4 mA to 20 mA ranges.
- Output signal types: Provides 2 analog outputs with current or voltage operation, including ±10 V, 0 to 20 mA, and 4 mA to 20 mA.
- Environmental version: Features conformal coating and an operating range of -25…+60 °C.
- Diagnostic functions: Includes alarms, diagnostic alarm, supply voltage monitoring, wire break monitoring, short-circuit monitoring, and diagnostics LEDs.
Applications
- 4-channel analog signal acquisition: Reads current or voltage differential signals on 4 analog inputs.
- 2-channel analog signal output: Generates current or voltage analog signals on 2 outputs.
Technical Summary
| Product type designation | SM 1234, AI 4×13 bit/AQ 2×14 bit |
|---|---|
| based on | 6ES7234-4HE32-0XB0 |
| Rated value (DC) | 24 V |
| Current consumption, typ. | 60 mA |
| from backplane bus 5 V DC, typ. | 80 mA |
| Power loss, typ. | 2 W |
| Number of analog inputs | 4; Current or voltage differential inputs |
| Number of analog outputs | 2; Current or voltage |
| Cycle time (all channels) max. | 625 μs |
| Input ranges, voltage | Yes; ±10V, ±5V, ±2.5V |
| Input ranges, current | Yes; 4 to 20 mA, 0 to 20 mA |
| IP degree of protection | IP20 |
Frequently Asked Questions
What is the Siemens 6AG2234-4HE32-1XB1?
It is a SIPLUS S7-1200 SM 1234 analog module with 4 AI and 2 AQ.
How many analog inputs and outputs does 6AG2234-4HE32-1XB1 have?
It has 4 analog inputs and 2 analog outputs.
Which signal ranges are supported on the analog inputs?
The analog inputs support ±10 V, ±5 V, ±2.5 V, 0 to 20 mA, and 4 mA to 20 mA.
What are the power and supply requirements for the module?
The rated value is 24 V DC, with 60 mA typical current consumption, 80 mA typical current from the backplane bus 5 V DC, and 2 W typical power loss.
