1. Main Specifications| Product Type | LOGO! Extension Module | | Product Model | 6ED1055-1NB10-0BA2 | | Supply Voltage Type | DC | | Product dimensions | 71.5 MM × 90 MM × 58 MM | | Power Supply Pressure | Allowable range, lower limit (DC) 20.4 V
Allowable range, upper limit (DC) 28.8 V | | Digital Input Quantity | 4 |
2. Key Selling Points- Multifunctional Communication Signal Board (SB): A front-mounted expansion board designed for Siemens S7-1200
PLCs, integrating an RS485 serial interface and a PROFIBUS DP interface, providing essential industrial fieldbus connectivity.
- PROFIBUS DP Master/Slave Support: Features a built-in PROFIBUS DP interface configurable as either
a DP master or DP slave, enabling seamless integration of distributed I/O, drives, and
instruments into existing PROFIBUS networks for smooth
interoperability with legacy automation systems.
- Integrated RS485 Serial Communication: Includes a standard RS485 port supporting MODBUS RTU
(master/slave mode), allowing connection to third-party serial
devices such as intelligent instruments, weighing modules, and
HMIs—enabling concurrent multi-protocol communication.
- Plug-and-Play, Space-Saving Design: Plugs directly into the front SB slot of the S7-1200 CPU—no
external power required and no use of right-side I/O expansion
slots. Its compact design maximizes space efficiency in control
cabinets.
- Enhanced Compatibility & Flexibility: Ideal for retrofit projects or hybrid networks requiring
integration with existing PROFIBUS devices (e.g., S7-300, ET200M,
G120 drives), significantly improving the S7-1200's communication
adaptability in complex industrial environments.
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