Technical Summary
| Product type designation | ER2 |
|---|---|
| Number of slots | 9 |
| P bus | Yes |
| Communication bus | No |
| Use | only for signal modules |
| Power supply | 2 redundant PS can be plugged in |
| Product lifecycle | Announcement of product phase-out |
Key Features
SIMATIC S7-400 extension rack ER2
Product type designation: ER2.
Product type designation: ER2.
9 slots
The rack provides 9 slots.
The rack provides 9 slots.
For signal modules
Only signal modules can be plugged in.
Only signal modules can be plugged in.
2 redundant PS
2 redundant PS can be plugged in.
2 redundant PS can be plugged in.
P bus support
P bus: Yes.
P bus: Yes.
Communication bus
Communication bus: No.
Communication bus: No.
Applications
Signal module mounting in a SIMATIC S7-400 rack
Provides 9 slots for signal modules in an extension rack configuration.
Provides 9 slots for signal modules in an extension rack configuration.
Redundant power supply installation
Accommodates 2 redundant PS in the rack.
Accommodates 2 redundant PS in the rack.
Frequently Asked Questions
What is 6ES7403-1JA01-0AA0 in the SIMATIC S7-400 range?
It is a SIMATIC S7-400 extension rack ER2.
How many slots does 6ES7403-1JA01-0AA0 have?
It has 9 slots.
Can 6ES7403-1JA01-0AA0 use signal modules?
Yes. It is for signal modules.
How many redundant power supplies can be plugged into 6ES7403-1JA01-0AA0?
2 redundant PS can be plugged in.
