New Original Siemens 6ES7223‑1PL32‑0XB0 SM1223 SIMATIC S7‑1200 Digital Input Output Module
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Siemens 6ES7223‑1PL32‑0XB0 SM1223 SIMATIC S7‑1200 Digital Input Output Module
Product Overview
The Siemens 6ES7223‑1PL32‑0XB0 SM1223 is a mixed digital input‑output expansion module for the SIMATIC S7‑1200 PLC system. It provides 16‑channel 24 V DC digital inputs and 16‑channel relay digital outputs. The module connects to S7‑1200 CPU via internal backplane bus to expand large‑scale discrete I/O capacity. Digital inputs support sink and source wiring modes; relay contacts can switch both DC and AC loads, offering galvanic isolation between field actuators and PLC internal logic circuit. Configuration, parameter setting and hardware diagnosis are implemented within TIA Portal STEP 7 software. This module is widely used in packaging machinery, conveyor systems, assembly lines and general factory automation for controlling contactors, solenoid valves, indicator lamps and other field devices. It is designed for cabinet‑mount installation with robust industrial anti‑interference performancedocs.rs-on….
Main Functions
- Digital signal acquisition: Receive 24 V DC on‑site switching signals from push‑buttons, limit switches, proximity sensors and other discrete field devices.
- Relay load driving: Switch AC and DC loads via mechanical relay contacts, suitable for actuators requiring isolation such as contactors and solenoid valves.
- Configurable input filter: Adjustable group‑wise input delay to suppress contact bounce and electromagnetic interference from field wiring.
- Backplane bus data exchange: Real‑time I/O data interaction with S7‑1200 CPU through internal expansion bus, no extra communication wiring needed.
- Galvanic isolation: Isolate field‑side circuits from PLC internal logic circuit to improve anti‑interference capability for inductive loads.
- Status and diagnostic feedback: LED status indicators and module diagnostic information support fast fault location and maintenance.
- Flexible system expansion: Multiple signal modules can be cascaded to increase total I/O points subject to S7‑1200 CPU expansion quantity limits.
Technical Characteristics
| Item | Specification |
|---|---|
| Order Number | 6ES7223‑1PL32‑0XB0 |
| Product Model | SM 1223 |
| Compatible PLC Series | SIMATIC S7‑1200 |
| Digital Input | 16 channels, 24 V DC, sink / source compatible, IEC 61131 Type 1 |
| Digital Output | 16 channels, relay normally‑open contact, 2 A per channel |
| Relay Switching Range | 5‑30 V DC, 5‑250 V AC |
| Input Delay | Configurable: 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms, 12.8 ms (group‑wise setting) |
| Backplane Bus Current Consumption | 180 mA @ 5 V DC |
| Typical Power Dissipation | 10 W |
| Load Supply Voltage Range | 20.4 V ~ 28.8 V DC |
| Mechanical Relay Lifespan | Up to 10 million cycles without electrical load |
| Electrical Relay Lifespan | 100 000 cycles under rated load |
| Max Shielded Cable Length | 500 m |
| Max Unshielded Cable Length | 300 m |
| Operating Temperature | ‑20 ℃ ~ +60 ℃ horizontal mounting; ‑20 ℃ ~ +50 ℃ vertical mounting |
| Storage & Transport Temperature | ‑40 ℃ ~ +85 ℃ |
| Relative Humidity | 5%‑95%, non‑condensing |
| Protection Class | IP20 (installation inside electrical cabinet only) |
| Programming Tool | TIA Portal STEP 7 |
Mechanical Specifications
| Mechanical Parameter | Value |
|---|---|
| Width | 70 mm |
| Height | 100 mm |
| Depth | 75 mm |
| Net Weight | Approx. 350 g |
| Mounting Method | DIN‑rail mounting or screw mounting inside control cabinet |
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