6ES7223-1PH22-0XA8 SIEMENS SIMATIC S7-1200 Digital Output module 16-point relay output
The Siemens SIMATIC S7-1200 digital output module 6ES7223-1PH22-0XA8 is a high-density, high-performance 16-channel relay output expansion module, specifically designed for small and medium-sized automation systems that require simultaneous control of multiple medium and low power AC and DC loads. As the relay output module with the most channels in the S7-1200 series, it offers maximum switching capacity within a limited installation space, significantly reducing the number of modules, simplifying wiring and lowering system costs.
Product Overview: Siemens 6ES7223-1PH22-0XA8
| Order Number | 6ES7223-1PH22-0XA8 |
| Series | SIMATIC S7-200 |
| Module Type | Digital Output (DO) Expansion Module – Relay Type |
| Number of Outputs | 8 independent relay channels |
| Contact Type | Normally Open (NO), single-pole |
| Switching Voltage | DC: Up to 30 V DC AC: Up to 250 V AC |
| Maximum Switching Current | 2.0 A per channel (resistive load) |
| Total module current | 8 A max (sum of all outputs) |
| Electrical Isolation | Full galvanic isolation between logic and field circuits |
| Connection Type | Two removable 8-pin screw terminal blocks (Phoenix-style) |
| Mounting | Snap-on design—connects directly to the right side of compatible S7-200 CPUs |
| Dimensions (W × H × D) | 71.2 mm × 80 mm × 62 mm |
| Power Consumption | ~40 mA from CPU’s internal 5 V DC bus |
| Operating Temperature | 0°C to +55°C |
| Status Indicators | 8 yellow LEDs (one per output channel) |
Product details pictures
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