Siemens Digital I/O Module
Part Number: 6ES7223-1QH32-0XB0
| Parameter | Specification |
|---|
| Product Family | SM 1223 Digital I/O Module |
| PLC Series | SIMATIC S7-1200 |
| Digital Inputs | 8 DI (AC) |
| Input Voltage | 120 / 230 V AC |
| Digital Outputs | 8 DO (Relay) |
| Output Current | 2 A per channel |
| Output Voltage | Up to 250 V AC / 30 V DC |
| Supply Voltage | 24 V DC (20.4 – 28.8 V) |
| Mounting | DIN Rail |
| Operating Temperature | -20°C to +60°C |
| Protection Class | IP20 |
| Dimensions (W × H × D) | 45 × 100 × 75 mm |
Product Description:
6ES7223-1QH32-0XB0 is a SIMATIC S7-1200 SM1223 mixed digital I/O expansion module with 8 AC digital inputs (120/230 V AC) and 8 relay digital outputs (2 A). It is designed to connect high-voltage AC input signals such as push buttons or limit switches and control AC/DC loads through relay outputs.
Key Features
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8 × AC Digital Inputs (120/230 V AC)
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8 × Relay Outputs (2 A)
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Can switch AC loads up to 250 V
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Electrical isolation via relay contacts
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LED indicators for each channel
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Compact S7-1200 expansion module for industrial automation
Typical Applications
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Industrial machine control with AC input signals
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Motor starter and contactor control
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Alarm lamps and buzzers
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Packaging machines and process automation
Comparison with Similar SM1223 Modules
| Part Number | Inputs | Outputs | Input Type | Output Type |
|---|
| 6ES7223-1BH32-0XB0 | 8 | 8 | 24 V DC | Transistor |
| 6ES7223-1PH32-0XB0 | 8 | 8 | 24 V DC | Relay |
| 6ES7223-1QH32-0XB0 | 8 | 8 | 120/230 V AC | Relay |
| 6ES7223-1PL32-0XB0 | 16 | 16 | 24 V DC | Relay |
Siemens S7-1200 Digital & Analog I/O Module Part Numbers
1. Digital Input Modules (SM 1221)
| Module | Description | Part Number |
|---|
| SM 1221 | 8 Digital Input, 24V DC | 6ES7221-1BF32-0XB0 |
| SM 1221 | 16 Digital Input, 24V DC | 6ES7221-1BH32-0XB0 |
| SM 1221 | 16 Digital Input (AC) | 6ES7221-1EF32-0XB0 |
These modules provide 24VDC sink/source digital inputs for sensors and switches.
2. Digital Output Modules (SM 1222)
| Module | Description | Part Number |
|---|
| SM 1222 | 8 DO, 24V DC transistor | 6ES7222-1BF32-0XB0 |
| SM 1222 | 16 DO, 24V DC transistor | 6ES7222-1BH32-0XB0 |
| SM 1222 | 8 DO relay | 6ES7222-1XF32-0XB0 |
| SM 1222 | 16 DO relay | 6ES7222-1HF32-0XB0 |
Used for controlling contactors, solenoid valves, relays, etc.
3. Digital Input / Output Combined Modules (SM 1223)
| Module | Description | Part Number |
|---|
| SM 1223 | 8DI / 8DO (24VDC) | 6ES7223-1QH32-0XB0 |
| SM 1223 | 16DI / 16DO transistor | 6ES7223-1BL32-0XB0 |
| SM 1223 | 16DI / 16DO relay | 6ES7223-1PL32-0XB0 |
These modules provide mixed digital inputs and outputs in one module.
Analog Modules
4. Analog Input Modules (SM 1231)
| Module | Description | Part Number |
|---|
| SM 1231 | 4 AI (Voltage / Current) | 6ES7231-4HD32-0XB0 |
| SM 1231 | 8 AI (Voltage / Current) | 6ES7231-4HF32-0XB0 |
| SM 1231 | 4 AI High-resolution | 6ES7231-5ND32-0XB0 |
| SM 1231 | 4 AI Thermocouple | 6ES7231-5QD32-0XB0 |
| SM 1231 | 4 AI RTD | 6ES7231-5PD32-0XB0 |
Used for 4-20 mA transmitters, 0-10V sensors, temperature sensors, etc.
5. Analog Output Modules (SM 1232)
| Module | Description | Part Number |
|---|
| SM 1232 | 2 AO (0-10V / 4-20mA) | 6ES7232-4HB32-0XB0 |
| SM 1232 | 4 AO | 6ES7232-4HD32-0XB0 |
Used for controlling VFD speed reference, valve position, etc.
6. Analog Input / Output Combined Modules (SM 1234)
| Module | Description | Part Number |
|---|
| SM 1234 | 4AI / 2AO | 6ES7234-4HE32-0XB0 |
| SM 1234 | 2AI / 2AO (Signal board type) | 6ES7234-5HD30-0XB0 |
