The SIEMENS SIMATIC S7-200 EM 223 expansion module, model 6ES7223-1PL22-0XA0, is a robust digital I/O solution engineered for the S7-22X CPU family. It integrates 8 DC inputs and 8 DC outputs, providing a balanced mix for controlling sensors, actuators, and relays in medium-scale automation tasks. This module is built with Siemens' proven reliability, featuring optocoupler isolation to protect against electrical noise and transients. Its compact design saves panel space while maintaining high-density I/O capability. Ideal for applications such as conveyor control, packaging machinery, and material handling, the EM 223 ensures deterministic performance with minimal latency. The front connector supports field wiring with screw terminals, and the module automatically configures with the CPU via the backplane bus, requiring no additional software setup. Technical highlights include a 24V DC supply for both inputs and outputs, with each output rated at 0.75A per channel (up to 4A per common point). The module operates within a wide temperature range of -25°C to 70°C, suitable for diverse industrial environments.
| Parameter |
Specification |
| Product Type |
Digital I/O Expansion Module (EM 223) |
| Model Number |
6ES7223-1PL22-0XA0 |
| Compatible CPU |
SIEMENS SIMATIC S7-22X (e.g., CPU 222, 224, 226) |
| Number of Inputs |
8 digital inputs (24V DC, sink/source) |
| Number of Outputs |
8 digital outputs (24V DC, solid-state) |
| Input Voltage Range |
20.4V DC to 28.8V DC (rated 24V DC) |
| Output Current per Channel |
0.75A (up to 4A per common point) |
| Isolation (Input to Logic) |
Optocoupler, 500V AC for 1 minute |
| Isolation (Output to Logic) |
Optocoupler, 500V AC for 1 minute |
| Operating Temperature |
-25°C to +70°C |
| Storage Temperature |
-40°C to +85°C |
| Relative Humidity |
5% to 95% (non-condensing) |
| EMC Compliance |
EN 50081-2, EN 50082-2 (Industrial environments) |
| Power Consumption (from CPU bus) |
Typical 3W (max 4W) |
| Dimensions (W x H x D) |
71.2 mm x 80 mm x 62 mm |
| Weight |
Approx. 0.12 kg |
| Connection Type |
Front connector with screw terminals (supplied) |
| LED Indicators |
Green for each input and output channel |
| Protection Class |
IP20 (open-type device) |
| Certifications |
CE, cULus, FM |
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