Design-In - Electrical Aspects
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COMX Communication Modules | Design Guide
DOC100901DG18EN | Revision 18 | English | 2013-12 | Released | Public
© Hilscher, 2002-2013
3.1.6.5
Fieldbus Connector X2 for Real Time Ethernet
Fieldbus connector X2 for COMX 100CN-RE:
X2
Pin
Signal
Symbol
Type
Pin at Fieldbus
connector
RJ45
1
Link0-LED Cathode green, active low
LINK0_CGn
4 mA Output
2
TX/RX0-LED Cathode yellow, active
low
TX/RX0_CYn 4 mA Output
3
Link1-LED Cathode green, active low
LINK1_CGn
4 mA Output
4
TX/RX1-LED Cathode yellow, active
low
TX/RX1_CYn 4 mA Output
5
Transmit Data Positive Channel 0
CH0_TXP
1A
6
Transmit Data Negative Channel 0
CH0_TXN
2A
7
Transmit Center Tap Channel 0
CH0_TXC
4A
8 Ground
GND
9
Receive Data Positive Channel 0
CH0_RXP
3A
10
Receive Data Negative Channel 0
CH0_RXN
6A
11
Receive Center Tap Channel 0
CH0_RXC
5A
12 Ground
GND
13
Transmit Data Positive Channel 1
CH1_TXP
1B
14
Transmit Data Negative Channel 1
CH1_TXN
2B
15
Transmit Center Tap Channel 1
CH1_TXC
4B
16 Ground
GND
17
Receive Data Positive Channel 1
CH1_RXP
3B
18
Receive Data Negative Channel 1
CH1_RXN
6B
19
Receive Center Tap Channel 1
CH1_RXC
5B
20 Ground
GND
21
COM0-LED Cathode red, active low
COM0_CRn
4 mA Output
22
COM0-LED Cathode green, active low COM0_CGn
4 mA Output
23
COM1-LED Cathode red, active low
COM1_CRn
4 mA Output
24
COM1-LED Cathode green, active low COM1_CGn
4 mA Output
25
SYS-LED, RDY, Cathode yellow LED
RDYn
4 mA Output
26
SYS-LED, RUN, Cathode green LED
RUNn
4 mA Output
27
Peripheral IO
PIO
LVTTL Input / Output
28 not
connected
29 not
connected
30 not
connected
Table 35: Fieldbus Connector X2 for Real Time Ethernet
The Pin layout is designed to fit for a RJ45 connector with integrated transformers, LEDs and ter-
mination. Suggested part:
203313, ERNI or
J8064D628ANL, Pulse