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Laurel Electronics LAUREATE SERIES 2 SERIAL INPUT METER & REMOTE DISPLAY User Manual

Page 6

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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