Westermo LA-01 - Manual (Page 4)

8 6110-2012
Direction Pin configuration 10 mA balanced current loop W1
Channel 1 Channel 2 Channel 3 Description
Receiver 1 1 1 (R+)
Receiver 2 2 2 (R–)
Transmitter 3 3 3 (T+)
Transmitter 4 4 4 (T–)
5 5 5 Shield *
* If shielded cable is used, connect the shield only at one end to avoid ground currents.
10 mA balanced current loop
Transmission range (10 mA balanced current loop)
Cable Transmission speed bit/s
42 pF/m 600 1 200 2 400 4 800 9 600 19 200 38 400
0.3 mm 2 18 000 m 12 000 m 8 000 m 5 000 m 2 500 m 1 000 m 500 m
LA-01 DC
Specifications
Switch settings
According to LA-01 AC
Power supply 12–36 V DC
Power consumption Max 3 W
Isolation 1000 V
Fuse F1 1.6 A fast 5x20 mm
All other specifications according to LA-01 AC
Connections
According to LA-01AC, except power supply
Connection no. Power supply
1 + Voltage
2 – Voltage
1 2 3
POWER
12-36VDC
CHANNEL 3 CHANNEL 2 CHANNEL 1
Direction RS232-C/V.24 ITU-T V.24 Description
Circuit no.
I 1 1 1 103 TD/Transmitted Data
O 2 2 2 104 RD/Received Data
O 4 4 4 – +12 V (Pull-up resistor)
– 5 5 5 102 SG/Signal Ground
I = Input, O = Output on LA-01
Connections
RS-232-C/V.24
Channel 1 Channel 2 Channel 3