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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
PC 903 Catalog No. 533-00047 Printed in U.S.A. Form 30RA-2T Pg 92 1-03 Replaces: 30RA-1T
Book 2
Ta b 5 c
Copyright 2003 Sterling
DataPort, DataLink, BAClink Object Definition (cont)
LEGEND NOTE: In order to write to any point with DataLink or BAClink con-
trols, the machine must be configured for SCN control. CTRL
Control Method
(Configuration mode, sub-mode OPT2) must be set
to 3 = SCN Control.
SCN TABLE
NAME
DESCRIPTION STATUS UNITS POINT DataPort DataLink BAClink
OPTIONS
FANS
Fan 1 Relay
Fan 2 Relay
Cooler/Pump Heater
UNIT ANALOG VALUES
Cooler Entering Fluid
Cooler Leaving Fluid
Lead/Lag Fluid
TEMPERTURE RESET
4-20 mA Reset Signal
Outside Air Temperature
Space Temperature
DEMAND LIMIT
4-20 mA Demand Signal
Demand Limit Switch 1
Demand Limit Switch 2
SCN Loadshed Signal
MISCELLANEOUS
Heat Request
Dual Setpoint Switch
Cooler LWT Setpoint
Ice Done
Off/On
Off/On
Off/On
snnn.n
snnn.n
snnn.n
nn.n
snnn.n
snnn.n
nn.n
Off/On
Off/On
0, 1, 2
Off/On
Off/On
snnn.n
Off/On
°F (°C)
°F (°C)
°F (°C)
ma
°F (°C)
°F (°C)
ma
°F (°C)
FAN_1
FAN_2
COOL_HTR
COOL_EWT
COOL_LWT
DUAL_LWT
RST_MA
OAT
SPT
LMT_MA
DMD_SW1
DMD_SW2
DL_STAT
HEAT_REQ
DUAL_IN
LWT_SP
ICE_DONE
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RW
RW
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
NA
RO
RO
NA
RO
NA
NA
RO
NA
NA
RO
NA
NA
NA
NA
SETPOINT
COOLING
Cooling Setpoint 1
Cooling Setpoint 2
Ice Setpoint
RAMP LOADING
Cooling Ramp Loading
Brine Freeze Point
–20 to 70 (–28.8 to 21.1)
–20 to 70 (–28.8 to 21.1)
–20 to 32 (–28.8 to 0.0)
0.2 to 2.0 (0.1 to 1.1)
–20 to 34 (–28.8 to 1.1)
°F (°C)
°F (°C)
°F (°C)
dF (dC)
°F (°C)
CSP1
CSP2
CSP3
CRAMP
BRN_FRZ
NA
NA
NA
NA
NA
RW
RW
RW
RW
RW
RW
NA
NA
NA
NA
OCCPC01S
Timed Override Hours
Period 1 DOW (MTWTFSSH)
Occupied Time
Unoccupied Time
Period 2 DOW (MTWTFSSH)
Occupied Time
Unoccupied Time
Period 3 DOW (MTWTFSSH)
Occupied Time
Unoccupied Time
Period 4 DOW (MTWTFSSH)
Occupied Time
Unoccupied Time
Period 5 DOW (MTWTFSSH)
Occupied Time
Unoccupied Time
Period 6 DOW (MTWTFSSH)
Occupied Time
Unoccupied Time
Period 7 DOW (MTWTFSSH)
Occupied Time
Unoccupied Time
Period 8 DOW (MTWTFSSH)
Occupied Time
Unoccupied Time
0
00000000
00:00
00:00
00000000
00:00
00:00
00000000
00:00
00:00
00000000
00:00
00:00
00000000
00:00
00:00
00000000
00:00
00:00
00000000
00:00
00:00
00000000
00:00
00:00
Hours OVR-EXT
DOW1
OCCTOD1
UNOCTOD1
DOW2
OCCTOD2
UNOCTOD2
DOW3
OCCTOD3
UNOCTOD3
DOW4
OCCTOD4
UNOCTOD4
DOW5
OCCTOD5
UNOCTOD5
DOW6
OCCTOD6
UNOCTOD6
DOW7
OCCTOD7
UNOCTOD7
DOW8
OCCTOD8
UNOCTOD8
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
NA —
Not Available
RO —
Read Only
RW —
Read/Write