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| Place of Origin: | U.K. |
| Brand Name: | Siemens |
| Certification: | COO & COC |
| Model Number: | 6ES7222-1BF22-0XA8 |
6ES7222-1BF22-0XA8 SIEMENS SIMATIC S7-1200 Digital Output module 16-point transistor source type output
The Siemens SIMATIC S7-1200 digital output module 6ES7222-1BF22-0XA8 is a high-density and highly reliable 16-channel transistor output expansion module, specifically designed for small and medium-sized automation systems that require simultaneous control of multiple DC loads. This module adopts a source-type (PNP) output architecture, with each channel capable of driving a DC load of up to 0.5A. It is widely used in scenarios such as indicator light control, solenoid valve drive, small relay coil excitation, and signal forwarding.
Product Overview: Siemens 6ES7221-1BH22-0XA8
| Order Number | 6ES7221-1BH22-0XA8 |
| Series | SIMATIC S7-200 |
| Module Type | Digital Input (DI) Expansion Module |
| Number of Inputs | 16 channels |
| Input Voltage | 24 V DC (nominal), operating range 15–30 V DC |
| Sensor Compatibility | Supports both NPN (sinking) and PNP (sourcing) configurations |
| Input Filter Delay | Approximately 2.5 ms (for noise immunity in electrically harsh environments) |
| Connection Type | Two removable 8-pin screw terminal blocks (Phoenix-style) |
| Mounting | Snap-on design—connects directly to the right side of S7-200 CPUs or other expansion modules |
| Dimensions (W × H × D) | 71.2 mm × 80 mm × 62 mm |
| Power Consumption | Draws ~50 mA from the CPU’s internal 5 V DC bus |
| Operating Temperature | 0°C to +55°C |
| Isolation | Optocoupler isolation between field wiring and internal logic |
Product details pictures
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