Laurel Electronics LAUREATE SERIES 2 SERIAL INPUT METER & REMOTE DISPLAY User Manual
Page 6
6
P3 - SERIAL COMMUNICATIONS
P4 - ANALOG OUTPUT
6
5
4
3
2
1
ISO GND
ISO GND
RX
TX
RTS
ISO GND
ISO GND
ISO GND
RX
TX
RTS
ISO GND
GND
TX
RX
RTS
RS232 INTERFACE Computer
6
5
4
3
2
1
ISO GND
BRX
ARX
ATX
BTX
ISO GND
GND
BTX
ATX
ARX
BRX
GND
RS485 INTERFACE - FULL DUPLEX
GND
ATX / ARX
BTX / BRX
GND
RS485 INTERFACE - HALF DUPLEX
1
2
3
4
5
6
7
8
(A') RXD0 -
(B') RXD1 +
(B) TXD1 *
(A) TXD0 -
ISO GND
TXD0
TXD1
RXD1
RXD0
GND
RS485-MODBUS - FULL DUPLEX
RS485-MODBUS - HALF DUPLEX
(B) TX / RXD1
(A) TX / RXD0
ISO GND
(B) TX/RXD1
(A) TX/RXD0
GND
6
5
4
3
2
1
6
5
4
3
2
1
ISO GND
ATX / ARX
BTX / BRX
ISO GND
1
2
3
4
5
6
7
8
RS232 LAUREATE METER TO LAUREATE REMOTE DISPLAY
RS232 LAUREATE TRANSMITTER TO LAUREATE REMOTE DISPLAY
ISO GND
ISO GND
RX
TX
RTS
ISO GND
6
5
4
3
2
1
Use a crossover cable.
Program remote display
for CONFG =
7000
Keep factory default
jumpers e, g.
Install jumper
f.
6
5
4
3
2
1
ISO GND
ISO GND
RX
6 TX
5 RX
4 NC
3 GND
2 GND
1 N/C
P2 screw terminals
of transmitter
Program remote display
for CONFG =
7000
Keep factory default
jumpers e, g.
Install jumper
f.
Remote display
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