The 6ED1055-1MB00-0BA1 Siemens LOGO! DM8 12/24R is a high-performance digital expansion module designed to augment the I/O capacity of LOGO! 8 base units. Engineered for demanding industrial control systems, this module features eight digital inputs, each capable of handling 12 or 24 V DC signals, ensuring robust signal acquisition for sensors, switches, and other field devices. Its compact form factor and integrated bus connector enable effortless mechanical and electrical coupling, making it an essential component for scalable automation solutions in manufacturing, building management, and process control. The module’s rugged design, with IP20 rating, guarantees reliable operation in dusty or humid environments, while the LED status indicators provide real-time diagnostics for simplified troubleshooting. Whether deployed for simple logic functions or complex sequential control, the DM8 12/24R delivers consistent performance and long-term durability.
| Parameter |
Specification |
| Product Type |
Digital Expansion Module |
| Model Number |
6ED1055-1MB00-0BA1 |
| Compatibility |
Siemens LOGO! 8 Base Units (e.g., 6ED1052-1MD00-0BA8, 6ED1052-1CC01-0BA8) |
| Number of Digital Inputs |
8 |
| Input Voltage Range |
12 V DC or 24 V DC (depending on supply) |
| Input Current per Channel |
Typical 6 mA at 24 V DC |
| Input Signal Type |
IEC 61131-2 Type 1 (sink/source configurable) |
| Input Filter Time |
1.5 ms (default, configurable via LOGO! Soft Comfort) |
| Supply Voltage |
12/24 V DC (via base module bus) |
| Power Consumption |
Typically 0.2 W (without load) |
| Electrical Isolation |
No isolation between inputs; group isolation from base module |
| Indicators |
Green LED per input for status |
| Connection Method |
Plug-in screw terminals (2.5 mm² max) |
| Dimensions (W x H x D) |
71.5 mm x 90 mm x 58 mm (4 module widths) |
| Weight |
Approx. 0.12 kg |
| Protection Class |
IP20 (NEMA 1 equivalent) |
| Ambient Operating Temperature |
-20 °C to +55 °C |
| Storage Temperature |
-40 °C to +70 °C |
| Relative Humidity |
Up to 95% (non-condensing) |
| Certification |
CE, UL, cUL, FM, RCM, EAC |
| Warranty |
2 years (standard industrial) |
| Shipping Weight |
0.15 kg (including packaging) |
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