Siemens LOGO! Series Expansion Modules Digital/Analog I/O Extensions for LOGO! 8 Logic Modules,DM8/AM2/AM2 AQ/CM EIB/KNX, 4-8 Channels, Relay/Transistor Outputs, 0-10V/0-20mA Analog Inputs
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- Express Delivery
- 12 Months Warranty
- 7 Days Easy Replace
Product Overview
The Siemens LOGO! Series Expansion Modules are add-on units designed to extend the I/O capacity of LOGO! 8 basic logic modules. With a maximum system configuration of up to 24 digital inputs, 20 digital outputs, 8 analog inputs, and 8 analog outputs, these compact modules (2 spacing units wide) snap onto the right side of the base module via a built-in expansion bus, providing seamless integration without additional wiring. All modules feature IP20 protection, DIN rail mounting, and are compatible exclusively with LOGO! 8 (0BA8) series base units.
Digital Expansion Modules
| Module | Description | Inputs/Outputs | Output Type | Order Number |
|---|---|---|---|---|
| DM8 12/24R | 4 DI / 4 DO Relay | I9-I12 / Q5-Q8 | Relay (10A) | 6ED1055-1MB00-0BA2 |
| DM8 230R | 4 DI / 4 DO Relay (230V) | I9-I12 / Q5-Q8 | Relay (10A) | 6ED1055-1FB00-0BA2 |
| DM16 24 | 8 DI / 8 DO Transistor | I9-I16 / Q5-Q12 | Transistor (0.3A) | 6ED1055-1CB10-0BA2 |
| DM16 24R | 8 DI / 8 DO Relay | I9-I16 / Q5-Q12 | Relay (5A) | 6ED1055-1CB00-0BA2 |
Communication Expansion Modules
| Module | Description | Function | Order Number |
|---|---|---|---|
| CM EIB/KNX | KNX Communication Module | Connect LOGO! to KNX building bus | 6ED1055-1CB00-0BA2 |
| CM AS-Interface | AS-Interface Master | Connect up to 62 AS-i slaves | 6ED1055-1CB10-0BA2 |
Key Features & Benefits
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Automatic Addressing: Expansion modules are automatically detected and addressed sequentially by the base module—no hardware configuration required
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Simple Addressing: First digital module uses I9-I12/Q5-Q8, second uses I13-I16/Q9-Q12, etc.
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Power Supply Required: Each expansion module requires external 24V DC power (except CM EIB/KNX which is bus-powered)
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Compact Size: 35.5mm width (2 spacing units) per module
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Modular Expansion: Up to 6 expansion modules per LOGO! 8 base unit
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Status Indication: Green RUN/STOP LED indicates proper operation
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Mechanical Coding: Prevents incorrect module insertion
Typical Applications
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Expanding I/O capacity for larger control systems
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Adding analog measurement capabilities (temperature, pressure, flow)
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Integrating with building automation via KNX
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Adding relay outputs for higher current loads
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Multi-axis machine control with additional I/O
Please allow 2-3 days for regular shipping.
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