Operating hardware
4.3 IO routing
CP 1604 / CP 1616
Operating Instructions, 02/2017, C70000-G8976-C218-08
67
"Ring State" display
Value
Meaning
---
The device is not redundancy manager. This means that the ring status cannot be dis-
played.
OPEN
The ring is open, there is a problem.
CLOSED
The ring is closed, there is no problem.
"MRP Domain" display
Name of the redundancy domain; this is set in STEP 7/NCM PC.
"Ring Port 1"/"Ring Port 2" display
The meaning of ring port 2 is analogous to that of ring port 1.
Value
Meaning
Port 1 - BLOCKED
The port does not allow any user data to pass through, only MRP frames.
Port 1 - DISABLED
The port was disabled.
Port 1 - UP
The port allows all frames through.
Port 1 - DOWN
The port does not have a link.
Note
Configuring in the STEP 7 project
As an alternative, you can also make this setting in STEP 7.
4.3
IO routing
This section answers the following questions:
●
What is IO routing?
●
When is IO routing used?
●
What types of IO routing exist?
●
How does the IO router work?
Configuring an IO router is described in the configuration manual "Commissioning PC
Stations“. This is on the SIMATIC NET CD supplied with the CP 1616/CP 1604 product.