User's Manual

Doc.: HD0389-00-Manuale_TL_GWCxxxx_r.0.1_EN.doc-00 17/04/2011 Page 34 of 49
RS485 connection
T
R
T
R
T
R
T
R
120 120
120
120
Master
Note: bus 1st and last nodes must have ending resistor
inserted
FULL DUPLEX MASTER/SLAVE BUS 4 Wires Net
Node... #1 Node... #2 Node... #n