Laurel-electronics Modbus Protocol For Series 2 Laureate Digital Pane Uživatelský manuál stáhnout pdf (Strana 8)

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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

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).

** Attempting to draw more than the rated current will shut down the output.

To reset communications to 9600 baud, command mode, Custom ASCII protocol, and Address 1,

place a jumper at E1 and power up the transmitter.

Analog Output Jumpers

Current E2 a + d

Voltage E2 b + c

Excitation Output* Jumpers

5V, 100 mA E3 a + c; E4 a

10V, 120 mA E3 a + c; E4 b

24V, 50 mA E3 b, E4 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).

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Laurel-electronics Modbus Protocol For Series 2 Laureate Digital Pane Uživatelský manuál Strana 8