EN
Siemens SIMATIC M7-400 EXM 478 Expansion Module 6ES7478-2AC00-0AC0
Manufacturer: Siemens
Condition: Brand New
Lead Time: In Stock
Origin: Germany
Warranty: 12 Months
Email: [email protected]
whatsApp: +86-18150117685
- Overview
- Product Overview
- Key Functions
- Official Specifications
- Frequently Asked Questions
- Compatibility & Ordering Notes
- Hot Selling Models
- Recommended Products
Overview
SIEMENS · SIMATIC M7-400
6ES7478-2AC00-0AC0 SIMATIC M7-400 EXM 478 Expansion Module
The SIMATIC M7-400 EXM 478 expands an M7-400 station with three positions for supported IF interface modules and provides defined addressing and interrupt routing.
At a Glance
| Brand | Siemens |
|---|---|
| Model | 6ES7478-2AC00-0AC0 |
| Product Type | three-slot interface expansion module |
| Core Function | Adds three interface-module positions to an M7-400 automation system |
| Application or Compatible Series | SIMATIC M7-400 stations requiring additional IF 96x interface modules |
Exact Identification
Match 6ES7478-2AC00-0AC0 character by character and confirm the complete SIMATIC M7-400 EXM 478 Expansion Module designation.
Interface Arrangement
Confirm the installed supply, ports, field connections and required accessories before wiring the replacement.
Configuration Check
Preserve the approved engineering project, network parameters and application data used by the installed system.
Product Overview
The SIMATIC M7-400 EXM 478 expands an M7-400 station with three positions for supported IF interface modules and provides defined addressing and interrupt routing.
The expansion module accommodates up to three supported IF modules. It connects through the M7-400 expansion arrangement. Module addressing, interrupt assignment and signal interconnection are specified for the expansion assembly.
Key Functions
Three Interface Slots
The expansion module accommodates up to three supported IF modules.
M7-400 Expansion
It connects through the M7-400 expansion arrangement.
Defined Signal Routing
Module addressing, interrupt assignment and signal interconnection are specified for the expansion assembly.
Official Specifications
| Module Type | EXM 478 expansion module |
|---|---|
| Compatible System | SIMATIC M7-400 |
| Interface-Module Positions | 3 |
| Supported Module Family | IF 96x interface modules |
| Expansion Function | Additional interface-module capacity |
| Addressing | Assigned through the EXM 478 expansion architecture |
| Interrupt Routing | Supported |
| Signal Interconnection | Supported |
| Mounting Location | M7-400 expansion configuration |
Frequently Asked Questions
What system is expanded by 6ES7478-2AC00-0AC0?
It expands a SIMATIC M7-400 automation station.
How many interface modules can be installed in 6ES7478-2AC00-0AC0?
Three supported IF modules can be accommodated.
Which module family is used with 6ES7478-2AC00-0AC0?
The expansion positions are intended for compatible IF 96x interface modules.
Does 6ES7478-2AC00-0AC0 participate in interrupt routing?
Yes; interrupt assignment is part of the expansion architecture.
Must slot addressing be retained when replacing 6ES7478-2AC00-0AC0?
Yes; the interface positions and address allocation must match the original configuration.
Can an S7-400 signal module replace 6ES7478-2AC00-0AC0?
No; it is a dedicated M7-400 interface expansion module.
What should be recorded before removing 6ES7478-2AC00-0AC0?
Record all fitted IF modules, slot order, addresses, interrupts and signal routing.
Compatibility & Ordering Notes
Compatibility Checklist
- List the exact IF modules installed in each expansion position.
- Preserve address, interrupt and signal-routing assignments.
- Verify the M7-400 expansion connection and mechanical slot arrangement.
