14
3 - Electrical Connections
3.3.5-I HEAT COOL OUTPUT DC (OPTION)/RELAY (TRIAC)
B
3.3.6 ALARM OUTPUTS OP1, OP2, OP3
B
3.3.7 RETRANSMISSION OUTPUT (OPTION)
B
3.3.8 SERIAL COMMUNICATION (OPTION)
B
2 NO contacts
1 NO contact
galvanic isolated
500 V
~/ 1min
750Ω / 15V max if current output
500Ω / 20mA max if voltage output
e The analogue/SSR drive output OP4
can be used for signal retransmis-
sion only if it is not used as control
output.
e The relay/triac output OP1, OP2 and
OP3, can be used as alarm outputs
only if they are not used as control
outputs.
• Galvanic isolation 500V~/1 min
Compliance to the EIA RS485 stan-
dard for Modbus/Jbus
A Please, read:
gammadue
®
and deltadue
®
con-
troller series serial communication
and configuration
M5 UK•ed4 10-12-2004 16:20 Pagina 14