Installation Interface Unit
FLOWSIC100 Flare-XT · Operating Instructions · 8023761/V1-0/2020-10 · © SICK Engineering GmbH
113
Overview of field connections mainboard and 115 ... 230 VAC power supply
Fig. 67
Field connections
Plug/terminal
name
Pin identification
Function
Comment
Conductor size
P1
1
Minus pole – DC, GND
Power supply of electronic
unit, prewired at the factory to
terminal block 3 to 6
0.5 … 1.5 mm
2
2
Positive pole - DC
P2
TXP – ETH1
Data line of first
Ethernet interface
100Base-TX or 10Base-T full
and halfduplex Ethernet
0.14 … 1.5 mm
2
TXN – EHT1
RXP - ETH1
RXP - ETH1
TXP – ETH2
Data line between of
second Ethernet
interface
100Base-TX or 10Base-T full
and halfduplex Ethernet
TXN – EHT2
RXP – ETH2
RXP – ETH2
P3
A1
Serial RS485
internal COM5,
Connection FLSE100-XT
0.5 … 1.5 mm
2
B1
A2
Serial RS485
internal COM2,
Connection Scada, Service PC
or Gas chromatograph
B2
A3
Serial RS485
internal COM3,
Connection Scada, Service PC
or Gas chromatograph
B3
nc
Not connected
TXD
Transmit data
Serial RS232
Internal COM1,
Connection Scada, Service PC
or Gas chromatograph
RTS
Request to send
RXD
Receive data
CTS
Clear to send
COM
Common Ground –
connected electrically
with GND