The Siemens SIMATIC S7-200 expansion module, model 6ES7222-1EF22-0XA0, is a high-performance digital output module designed for demanding industrial control systems. This EM 222 variant provides 8 isolated transistor outputs, each rated at 24V DC with a robust 2A continuous current, making it ideal for driving solenoids, contactors, indicator lights, and other low-voltage actuators. Built with Siemens’ proven reliability, it supports direct integration into the S7-200 system via the backplane bus, ensuring minimal wiring and rapid commissioning. The module features per-channel short-circuit protection, electronic overload shutdown, and diagnostic LEDs for real-time status monitoring, reducing downtime in critical processes. Below is the comprehensive technical specification table for this module.
| Parameter |
Specification |
| Product Type |
Digital Output Module |
| Model |
6ES7222-1EF22-0XA0 (EM 222) |
| Number of Outputs |
8 (transistor, solid-state) |
| Output Type |
24V DC, 2A per output (resistive load) |
| Total Output Current (per module) |
8A (limited by backplane) |
| Output Voltage Range |
20.4V to 28.8V DC |
| Switching Frequency |
Max. 100 Hz (resistive load) |
| Overload Protection |
Yes, electronic per channel (auto-restart after 10 seconds) |
| Short-Circuit Protection |
Yes, per channel |
| Reverse Polarity Protection |
Yes (via external fuse recommended) |
| Diagnostic Indicators |
Green LED per output (ON = output active; OFF = output off or fault) |
| Supply Voltage (load) |
24V DC (20.4V to 28.8V) |
| Current Consumption (from backplane bus) |
Typ. 80 mA (5V DC) |
| Current Consumption (from load supply L+) |
Max. 200 mA (without load) |
| Power Dissipation |
Typ. 3 W (all outputs ON at 2A each) |
| Isolation |
Optical isolation between outputs and backplane (500V AC for 1 minute) |
| Operating Temperature |
-25°C to +60°C |
| Storage Temperature |
-40°C to +85°C |
| Relative Humidity |
5% to 95% (non-condensing) |
| Dimensions (W x H x D) |
46 mm x 80 mm x 62 mm (approx.) |
| Weight |
Approx. 120 g |
| Certifications |
CE, UL, cULus, FM, ATEX (Zone 2), IECEx (pending) |
| Compatibility |
Siemens SIMATIC S7-200 CPUs (all versions) |
| Connection Type |
Removable screw terminal block (12-pin) |
| Wiring |
0.5 mm² to 1.5 mm² (solid or stranded) |
| Protection Class |
IP20 |
| Mounting |
DIN rail (35 mm) or direct panel mounting |
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22