Hardware manual

LT-4201TM/4301TM Hardware Manual

121

RS-485 Characteristics

Pin Assignment

The figure shows the pins of the RJ45 con

nector when viewed from LT:

The table describes the pin assignment of the RJ45 connector:

Characteristic Description

Connector type RJ45

Isolation None

Maximum baud rate 115,200 bps

Cable Type Shielded

Maximum length 200 m (656 ft)

Polarization Setting is require via software when

connecting Multiple LTs.

Refer to the "GP-Pro EX Device/PLC

Manual" for the setting.

Vdc power supply for RS-485 No

Pin RS-232C RS-485 Description

1 RxD N.C. Received data (RS-232C)

2 TxD N.C. Transmitted data (RS-232C)

3 N.C. N.C. Not connected

4 N.C. D1+ Differential data (RS-485)

5 N.C. D0- Differential data (RS-485)

6 N.C. N.C. Not connected

7 N.C. N.C. Not connected

8 GND GND Signal ground

WARNING

UNINTENDED EQUIPMENT OPERATION

Do not connect wires to unused terminals or terminals marked “No

t Connected

(N.C.)”.

Failure to follow these instructions can result in death, serious injury, or

ipment damage.