User manual

15
2 - Electrical connections
2.3.6 OP4 OUTPUT (option)
B
2.3.7 SERIAL COMMUNICATIONS (option)
B
PV or SP retransmission
• Galvanic isolation
500V~/1 min
• 0/4…20mA, (750Ω or 15V– max)
• Galvanic isolation 500V
~/1 min
• Compliance to the EIA RS485
standard for Modbus/Jbus
A Please, read:
gammadue
®
and deltadue
®
controller series serial com-
munication and configuration
7
8
Load
7
8
mA OP4
2.3.5 ALARMS OUTPUTS
B
Fuse
Coil of the
load alarm contactor
3
4
OP1
Fuse
Coil of the
load alarm contactor
15
16
OP2
Fuse
Coil of the
load alarm contactor
13
14
OP3
e The outputs OP1, OP2 and OP3,
can be used as alarm outputs only
if they are not used as control out-
puts.
Varistor for inductive load
24V
~ only