13
2 - Electrical connections
2.3.5 SERIAL COMMUNICATIONS
(OPTION)
B
C
1
2
3
1
2
3
4
O
N
• Galvanic isolation 500Vac/1 min.
• Compliance to the EIA RS485 standard
for Modbus/Jbus
• Setting dip switches
A
Please, read:
“
gamma
due
®
and
delta
due
®
indica-
tor series serial communication and con-
figuration software” technical manual
J1 EN-ed3 17-02-2009 15:05 Pagina 13