The 6ES5523-3UA11 Siemens SIMATIC S5 CP 523 Communications Processor is a key component for legacy S5 automation systems, offering reliable and flexible serial communication. This module is engineered to interface S5 PLCs with a wide range of external devices such as printers, barcode scanners, operator panels, and other controllers. It supports multiple physical interfaces (RS-232, RS-422, RS-485) and can be configured for point-to-point or multi-point networks. The CP 523 is fully compatible with S5-115U, S5-135U, and S5-155U CPUs, and its firmware ensures robust data transfer in real-time control environments. With its rugged design and adherence to Siemens quality standards, the 6ES5523-3UA11 remains a trusted choice for maintaining and upgrading existing S5 installations.
| Parameter |
Specification |
| Model Number |
6ES5523-3UA11 |
| Product Type |
Communications Processor (CP 523) |
| Family |
Siemens SIMATIC S5 |
| Supported Protocols |
3964R, RK512, ASCII, Printer Protocol (point-to-point, multi-point) |
| Physical Interfaces |
1x RS-232 (V.24), 1x RS-422/RS-485 (selectable) |
| Transmission Rate |
Up to 19.2 kbps (RS-232), up to 38.4 kbps (RS-422/RS-485) |
| Max Cable Length |
RS-232: 15 m; RS-422/RS-485: 1200 m (with proper termination) |
| Compatible CPUs |
S5-115U, S5-135U, S5-155U |
| Configuration Software |
STEP 5 (COM 1/2 interface) |
| Power Supply |
5 V DC via backplane bus (approx. 0.5 A consumption) |
| Operating Temperature |
0 °C to +60 °C (32 °F to 140 °F) |
| Storage Temperature |
-20 °C to +80 °C (-4 °F to 176 °F) |
| Relative Humidity |
Max 95% (non-condensing) |
| EMC Immunity |
EN 50081-2, EN 50082-2 (industrial environment) |
| Dimensions (W x H x D) |
Approx. 40 x 125 x 115 mm (single-width module) |
| Weight |
Approximately 0.25 kg |
| Certifications |
CE, cULus (when used in appropriate S5 system) |
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