
LOGO! DM16 230R Expansion Module
The 6ED1055-1FB10-0BA2 is a Siemens LOGO! 8 expansion module with 8 digital inputs and 8 relay digital outputs. It is designed for expansion of LOGO! 8 control configurations and supports 115 V AC/DC and 230 V AC/DC rated supply conditions.
The module provides eight digital inputs with AC/DC input capability. Siemens specifies signal “0” below 40 V AC / 30 V DC and signal “1” above 79 V AC / 79 V DC.
Eight relay outputs are provided. The rated output current for signal “1” is 5 A, with a minimum load current of 100 mA.
| Article Number | 6ED1055-1FB10-0BA2 |
| Product | LOGO! DM16 230R expansion module |
| System Compatibility | For LOGO! 8 |
| Digital Inputs | 8 |
| Input Type | AC/DC |
| Digital Outputs | 8 relay outputs |
| Rated Supply Voltage | 115 V AC/DC; 230 V AC/DC |
| Permissible DC Range | 100 V to 253 V DC |
| Line Frequency | 47 Hz to 63 Hz |
| Input Delay 0 → 1 | Max. 40 ms |
| Input Delay 1 → 0 | Max. 75 ms |
| Rated Output Current | 5 A |
| Relay Contact Capacity | 3 A inductive load / 5 A resistive load |
| Lamp Load | Max. 1,000 W; 500 W at 115 V AC |
| Switching Frequency | 2 Hz resistive / 0.5 Hz inductive / 10 Hz mechanical max. |
| Mounting | 35 mm DIN rail; 4 spacing units wide |
| Protection Degree | IP20 |
| Operating Temperature | -20 °C to +55 °C, no condensation |
| Dimensions | 71.5 × 90 × 58 mm |
| Net Weight | 0.294 kg |
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Supplied as a new product for replacement requirements.
The 6ED1055-1FB10-0BA2 is intended to extend a Siemens LOGO! 8 control configuration when additional digital signals are required. Its eight digital inputs and eight relay outputs provide an additional I/O layer for switching and monitoring tasks.
In maintenance situations, this part number is commonly searched when an existing LOGO! 8 installation requires replacement of its DM16 230R expansion module, particularly where the original module no longer processes field signals or its relay outputs no longer operate correctly.
Because loss of an expansion module can interrupt the associated digital control and switching functions, identifying the exact 6ED1055-1FB10-0BA2 before replacement can help reduce troubleshooting time and limit unnecessary machine or system downtime.
Adds digital I/O capacity to a LOGO! 8 configuration.
Eight relay outputs support digital switching functions.
A failed I/O expansion can affect connected control functions.
Amikon's large stock is the core of our supply. Our inventory covers a wide range of industrial automation products, from current equipment to hard-to-find and out-of-production components. When a critical automation part is required, our team works to identify the right part number and provide an efficient purchasing route.


It is a LOGO! DM16 230R expansion module providing 8 digital inputs and 8 relay digital outputs for LOGO! 8.
Siemens specifies rated values of 115 V and 230 V AC as well as 115 V and 230 V DC. The permissible DC range is 100 V to 253 V.
The module has 8 relay outputs. Siemens specifies a rated output current of 5 A, with contact switching capacity of up to 5 A for resistive loads and 3 A for inductive loads.
It is designed for installation on a 35 mm DIN rail and occupies 4 spacing units.
Siemens specifies an operating ambient temperature of -20 °C to +55 °C, with no condensation, and a protection degree of IP20.
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