Product Description
Product Details
| Parameter | Details |
|---|---|
| Manufacturer | Siemens |
| Model/Part Number | 6ES7222-1BF32-0XB0 |
| Description | SIMATIC S7-1200 Digital Output SM 1222, 8 DO, 24 V DC |
Product Overview
| Parameter | Details |
|---|---|
| Part Number | 6ES7222-1BF32-0XB0 |
| Product Name | SM 1222 Digital Output Module |
| Application | High-performance digital output expansion for S7-1200 PLCs in industrial automation, machine building, and process control |
| Compatibility | SIMATIC S7-1200 CPUs (all firmware versions); mounts on right-side expansion rail |
| Function | Provides 8 isolated 24 V DC transistor outputs with diagnostics, short-circuit protection, and high-speed switching |
Functional Specifications
| Parameter | Details |
|---|---|
| Output Channels | 8 digital outputs (1 group of 8) |
| Output Type | 24 V DC transistor, sourcing (PNP) |
| Nominal Output Voltage | 24 V DC |
| Output Voltage Range | 20.4 _ 28.8 V DC |
| Output Current (per channel) | 0.5 A (resistive), 0.3 A (inductive) |
| Total Current (per group) | 4 A max |
| Switching Frequency | - Resistive: 100 Hz - Inductive: 0.5 Hz - Lamp: 10 Hz |
| Short-Circuit Protection | Yes _ electronic, auto-reset |
| Isolation | 500 V AC (field to logic), channel-to-channel not isolated |
| LED Indicators | 8 green LEDs (one per output), 1 red diagnostic LED |
| Diagnostics | Short-circuit, open load (with load voltage L+), module fault |
| Connection Type | Removable screw terminal block (10-pin, 2.5 mm²) |
| Wire Size | 0.25 _ 2.5 mm² (14_22 AWG) |
| Cable Length | - 1000 m (shielded) - 500 m (unshielded) |
| Update Rate | Synchronized with CPU cycle (typically < 1 ms) |
Electrical Specifications
| Parameter | Details |
|---|---|
| Power Supply (Backplane) | 5 V DC (from CPU) |
| Power Consumption (5 V) | 70 mA |
| Power Loss | 1.5 W typical |
| External Load Voltage (L+) | 24 V DC (20.4_28.8 V), supplied externally |
| Inrush Current | 1.2 A @ 5 V |
Mechanical & Environmental Specifications
| Parameter | Details |
|---|---|
| Dimensions (H x W x D) | 100 mm _ 45 mm _ 75 mm |
| Weight | 0.18 kg |
| Mounting | Snap-on to S7-1200 DIN rail (right of CPU) |
| Housing Material | Plastic (UL94-V0) |
| Color | Siemens light gray |
| Operating Temperature Range | -20°C to +60°C (horizontal), -20°C to +50°C (vertical) |
| Storage Temperature Range | -40°C to +70°C |
| Humidity | 5% to 95% non-condensing |
| Vibration | IEC 60068-2-6 (5g, 5_150 Hz) |
| Shock | IEC 60068-2-27 (15g, 11 ms) |
| Protection Rating | IP20 |
Configuration & Software
| Parameter | Details |
|---|---|
| Configuration Tool | TIA Portal (V13 SP1 or higher) |
| I/O Addressing | Automatically assigned (next available output byte) |
| Parameterization | - Output behavior on CPU STOP - Diagnostics enable/disable - Substitute value |
| High-Speed Output | Supports PWM and PTO (via CPU, up to 100 kHz) |
Standards Compliance
| Standard | Compliance |
|---|---|
| IEC 61131-2 | Yes |
| CE Marking | Yes |
| UL/cUL | Yes (UL 61010-2-201, CSA C22.2) |
| FM Approval | Class I, Div 2 |
| ATEX | Zone 2 |
| RoHS | Yes |
| China RoHS | Yes |