M&M
R
EFRIGERATION
I
NC
. B-3
Appendix B: Discrete I/O RACK 1
NOTES
:
INPUT 26 REMOTE UNLOAD (All Others)
REMOTE 100% CAPACITY (RDB)
OFF
OFF
ON
ON
Option
INPUT 27 REMOTE START/STOP OFF ON Option
INPUT 28 REMOTE SETPOINT SELECT A OFF ON Option
INPUT 29 REMOTE SETPOINT SELECT B OFF ON Option
OUTPUT 30 VI INCREASE SOL (All Others)
VI INCREASE SOL FUTURE (HX)
SPARE (S, RDB, IDR)
CLOSED OPEN Option
OUTPUT 31 VI DECREASE SOL (All Others)
VI DECREASE SOL FUTURE (HX)
SPARE (S, RDB, IDR)
CLOSED OPEN Option
32
1 -Normally open contact with no power or level 5 – De-energize for condition
2 -Normally closed contact with no power or level 6 – Pilot driven – Energize to close
3 -Normally closed contact open to fail 7 – De-energized to turn on via customer supplied relay
4 -Energize for condition
TYPE CHANNEL NAME
OFF
STATE
ON
STATE NOTES