Laurel-electronics Custom ASCII Protocol For Laureate Series 2 Digita Manuale Utente Scaricare il pdf (Pagina 9)

4. TRANSMITTER CONNECTOR WIRING

Signal

conditioner

board

P3 Solid

state relays

P1 Power

input

P6 Signal

input &

excitation

output

P2 Serial

data I/O

P4 Analog

output

RS485 RS232

6 N/C TX

5 ARX RX

4 ATX NC

3 GND GND

2 BRX GND

1 BTX N/C

3 Power GND

2 AC neutral or -DC

1 AC high or +DC

See below

for different

signal types

Analog out - 1

Analog out + 2

AL2 1

AL2 2

AL1 3

AL1 4

RS232 cable with

rear view of DB9

connector to PC

c ab

Serial Signal Duplex Jumpers Termination Resistor*

Full None

E6 a = Transmit

E6 c = Receive

RS485

Half E6 b + d** E6 c

RS232 Full None None

* The termination resistor jumper

settings should only be selected

if the transmitter is the last device

on an RS485 line longer than 200

feet (60 m).

** Or jumper external BTX to BRX

and ATX to ARX (same effect as

internal jumpers).

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 55 56

Custom ASCII Protocol 1
1. TABLE OF CONTENTS 2
Computer 4
USB port 4
RS485 INTERFACE - FULL DUPLEX 8
RS485 INTERFACE - HALF DUPLEX 8
8. CONTINUOUS MODE 18
9. COMMAND MODE 20
& Hi readings 31
Scale factor 37
AND DATA DEFINITIONS 39
Setpoint2 45
Setpoint1 45
Offset 1 55
Scale Factor 3 55
14. WARRANTY 56

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Laurel-electronics Custom ASCII Protocol For Laureate Series 2 Digita Manuale Utente Pagina 9

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