Hardware description
3.5 MCI-PN board for SIMOTION P350-3
SIMOTION P350-3 and Panels
Manual, 05/2009
55
3.5.3
MCI-PN board interface description
Interface overview
Table 3- 11 Interfaces of the MCI-PN board
Interface name
Connector name
Type
PROFINET
X21
4x RJ45 sockets
SYNC I/O
X8 and X9
3-pin plug connector
Backup battery
X28
2-pin plug connector
PCI bus
X1
124-pin direct connector
(5 V/3.3 V interface)
PROFINET interface X21
The interface has 4 full-duplex 10/100 MBit Ethernet ports. The four ports are connected as
an Ethernet terminal device.
Table 3- 12 Interface features
Features
Type
Connector type
RJ45 socket connector
Cable type
Industrial Ethernet cable
Maximum cable length
100 m
Table 3- 13 X21 interface pin assignment (Port x)
Pin
Signal name
Signal type Meaning
1
TXP
Output
Ethernet transmit differential signal
2
TXN
Output
Ethernet transmit differential signal
3
RXP
Input
Ethernet receive differential signal
4
--
4 together with 5 via 75 ohm at the 1 nF capacitor
to the shield ground
5
--
4 together with 5 via 75 ohm at the 1 nF capacitor
to the shield ground
6
RXN
Input
Ethernet receive differential signal
7
--
7 together with 8 via 75 ohm at the 1 nF capacitor
to the shield ground
8
--
7 together with 8 via 75 ohm at the 1 nF capacitor
to the shield ground
Screened
backshell
M_EXT
Screen, permanently connected