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Honeywell • 35
CONTROL UNIT
From
Basic I/O board
From term.
#6 or 12
From term.
#13
RUN
Relay board 1
Terminal
21
RO1/1 NC
22
RO1/2 CM
23
RO1/3 NO
24
RO2/1 NC
25
RO2/2 CM
26
RO2/3 NO
32
RO3/1 CM
33
RO3/2 NO
Signal
Relay output 1
Relay output 2
Relay output 3
Table 12. Control I/O terminal signals
on relay board 1 and connection example
From
Basic I/O board
From term.
#12
From term.
#13
Relay
board 2
Terminal
RUN
21
RO1/1
22
RO1/2
23
RO1/3
24
RO2/1
25
RO2/2
26
RO2/3
28
TI1+
29
TI1-
Signal
Relay output 1
Relay output 2
Thermistor input
Table 13. Control I/O terminal signals
on relay board 2 and connection example
6