3 609 929 B65/2008-09 | IMmtcp
Bosch Rexroth AG
19
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Device description
Transfer rates of 10 MBit/s or 100 MBit/s are
supported.
Fig. 1: IMmtcp interface module, front view
(socket)
1
NS LED (network status)
2
Modbus
interface
3
LINK LED (connection/activity)
4
MS LED (module status)
5
Screws
Interface connection assignment
The interface has an 8-pin RJ45 socket
design.
Suitable connection plugs
Use connection plugs in accordance with
standard IEC 61158.
Display elements
The NS LED indicates the Modbus status.
The LINK LED indicates the connection or
activity via the Modbus network.
Table 1
Pin
Signal
Description/function
1
Tr
Modbus transmission
cable
2
Transmit –
Modbus transmission
cable
3
R
Modbus reception cable
4
NC
5
NC
6
Receive –
Modbus reception cable
7
NC
8
NC
4
1
3
2
5
NS
MS
LINK
Table 2 NS
LED display
Meaning
Off
No voltage, not initialized or
incorrect/missing IP address
Green
Module is active or in idle mode
Flashing green Waiting for connection setup
Red
Double IP address or blocking
error
Flashing red
Timeout reached for an active
process
Table 3 LINK
LED display
Meaning
Off
No connection, no activity
Green
Connection established
Flashing
green
Connection established, activity
