SIEMENS
6ES7223-1PH32-0XB0 SM 1223 8DI/8DO Relay I/O Module 2A | Siemens
6ES7223-1PH32-0XB0 SM 1223 8DI/8DO Relay I/O Module 2A | Siemens
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The Original New Siemens 6ES7223-1PH32-0XB0 SIMATIC S7-1200 SM 1223 Digital I/O Module provides 8 digital inputs and 8 relay outputs in a single compact signal module. Designed for flexible signal management in industrial automation systems, it enables seamless expansion of S7-1200 PLC I/O capacity for machine control, conveyor systems, packaging equipment, and factory automation applications where relay switching is required.
Core Engineering Highlights:
8 digital inputs (24V DC, sink/source, Type 1) | 8 relay outputs (2A per channel) | 145 mA backplane bus current | 2.5 W typical power loss | 2 isolated groups of relay outputs (4 outputs per group) | 1500V AC isolation (channel to backplane) | 45 x 100 x 75 mm | IP20 | –20°C to +60°C horizontal operation
Key Features:
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Original New Siemens 6ES7223-1PH32-0XB0 module
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8 digital inputs, 24V DC, sink/source configurable (IEC 61131 Type 1)
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8 relay outputs (normally open, 2A per channel)
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Inputs isolated in groups of 2 for reliable signal acquisition
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Relay outputs in 2 isolated groups of 4 outputs each
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1500V AC isolation between channels and backplane
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LED status indicators for each input and output channel
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Removable terminal block connector (included) for easy wiring
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DIN rail mounting for space-efficient installation
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Horizontal or vertical mounting orientation options
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Compact 45 mm width for control cabinet space savings
Applications:
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Mixed digital I/O expansion for S7-1200 PLC systems
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Machine automation and control panel integration
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Conveyor and material handling equipment
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Packaging machinery and assembly lines
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AC/DC load switching requiring relay outputs
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OEM equipment requiring mixed I/O with relay switching
Technical Specifications:
| Attribute | Specification |
|---|---|
| Catalog Number | 6ES7223-1PH32-0XB0 |
| Product Type Designation | SM 1223, DI 8x24V DC, DQ 8xRelay |
| Product Family | SIMATIC S7-1200 |
| Inputs | 8 digital inputs |
| Outputs | 8 relay outputs (normally open) |
| Input Type | 24V DC, sink/source (IEC 61131 Type 1) |
| Input Groups | 2 groups of 4 inputs |
| Input Isolation | Isolated in groups of 2 |
| Output Isolation | 2 groups of 4 outputs |
Supply Voltage:
| Attribute | Specification |
|---|---|
| Rated Value (DC) | 24 V |
| Permissible Range, Lower Limit | 20.4 V |
| Permissible Range, Upper Limit | 28.8 V |
Current & Power:
| Attribute | Specification |
|---|---|
| Backplane Bus Current (5V DC, Max) | 145 mA |
| Input Current per Channel (Signal "1") | 4 mA |
| Signal "0" Input Current (Max) | 1 mA (quiescent current) |
| Output Current per Channel (Max) | 2 A |
| Output Group Current (Max) | 8 A per group |
| Power Loss, Typ. | 2.5 W |
| Isolation Voltage | 1500V AC (channel to backplane) |
Input Specifications:
| Attribute | Specification |
|---|---|
| Input Voltage Type | DC |
| Rated Input Voltage | 24 V DC |
| Signal "0" Voltage | 5 V DC at 1 mA |
| Signal "1" Voltage | 15 V DC at 2.5 mA |
| Simultaneously Switchable Inputs (Max) | 8 |
Output Specifications:
| Attribute | Specification |
|---|---|
| Output Type | Relay (normally open) |
| Contact Rating | 2A (5-250V AC / 5-30V DC) |
| Load Types | Resistive, Inductive, Lamp |
| Mechanical Life | 10,000,000 operations |
| Electrical Life | 100,000 operations at rated load |
| Switching Frequency | Depends on load type and application |
Physical & Environmental:
| Attribute | Specification |
|---|---|
| Width | 45 mm |
| Height | 100 mm |
| Depth | 75 mm |
| Weight | Approx. 0.2 kg |
| IP Degree of Protection | IP20 |
| Mounting | DIN Rail |
| Horizontal Mounting Temperature | –20°C to +60°C |
| Vertical Mounting Temperature | –20°C to +50°C |
| Storage/Transport Temperature | Refer to product manual |
| Relative Humidity | 5% to 95% (non-condensing) |
Certifications:
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CE
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UL
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CSA
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FM
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RCM
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KC
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Marine approval
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RoHS compliant
System Compatibility:
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Siemens SIMATIC S7-1200 PLCs (all CPU variants: 1211C, 1212C, 1214C, 1215C, 1217C)
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TIA Portal engineering framework (STEP 7 V11 or higher)
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SM 1223 series signal modules
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S7-1200 expansion bus system
Typical System Architecture:
S7-1200 CPU (any variant with sufficient I/O capacity)
↓
6ES7223-1PH32-0XB0 SM 1223 Module (plugs directly to CPU or via bus)
│
├── 8 Digital Inputs (24V DC, sink/source) → Sensors / Switches / Pushbuttons
│ ├── Group 1: Inputs 0-3
│ └── Group 2: Inputs 4-7
│
├── 8 Relay Outputs (2A, normally open) → Actuators / Contactors / Solenoids / Motors
│ ├── Group 1: Outputs 0-3 (common per group)
│ └── Group 2: Outputs 4-7 (common per group)
│
↓
TIA Portal Configuration (STEP 7 V11 or higher)
↓
Mixed Digital I/O Expansion for S7-1200 Systems
Related Products:
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6ES7223-1BH32-0XB0 – SM 1223, 8DI/8DO transistor (0.5A) (current model)
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6ES7223-1PH32-0XB0 – SM 1223, 8DI/8DO relay (current model)
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6ES7223-1PL32-0XB0 – SM 1223, 16DI/16DO relay
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6ES7222-1HF32-0XB0 – SM 1222, 8 relay outputs (2A)
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6ES7222-1HH32-0XB0 – SM 1222, 16 relay outputs (2A)
-
6ES7221-1BH32-0XB0 – SM 1221, 8 digital inputs, 24V DC
-
6AG1223-1PH32-2XB0 – SIPLUS S7-1200 SM 1223 (extreme temperature version with conformal coating)
PLC ERA is an independent industrial automation distributor supplying 100% genuine Original New products through established global supply channels. Siemens and SIMATIC are trademarks of Siemens AG.
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