Technical Summary
| Product type designation | ER1 |
|---|---|
| Number of slots | 18 |
| Signal module support | only for signal modules |
| Redundant power supplies | 2 redundant PS can be plugged in |
| P bus | Yes |
| Communication bus | No |
Key Features
SIMATIC S7-400 extension rack ER1
Extension rack ER1 for the SIMATIC S7-400 family.
Extension rack ER1 for the SIMATIC S7-400 family.
18 slots
Provides 18 slots.
Provides 18 slots.
Only for signal modules
Configured for signal modules only.
Configured for signal modules only.
2 redundant PS can be plugged in
Supports 2 redundant PS.
Supports 2 redundant PS.
P bus: Yes
P bus support is Yes.
P bus support is Yes.
Communication bus: No
Communication bus is No.
Communication bus is No.
Applications
Signal module mounting
For installing signal modules in the rack.
For installing signal modules in the rack.
Redundant power supply installation
For plugging in 2 redundant PS.
For plugging in 2 redundant PS.
Frequently Asked Questions
What is Siemens 6ES7403-1TA01-0AA0 in the SIMATIC S7-400 series?
It is an ER1 extension rack for SIMATIC S7-400.
How many slots does 6ES7403-1TA01-0AA0 have?
It has 18 slots.
Which modules fit in the 6ES7403-1TA01-0AA0 rack?
It is only for signal modules.
Does the 6ES7403-1TA01-0AA0 support redundant power supplies?
Yes. 2 redundant PS can be plugged in.
What interface bus details are listed for the ER1 rack?
P bus: Yes. Communication bus: No.
