RAM DBS II
Refrigeration Solid State Starter
28
TABLE 13
Set Point Menu
This menu displays the set point values programmed into the DBS controller. Changes to system set
points in this menu must be made from the “edit” mode.
9.0 DBS Display Unit
TABLE 12
Monitor Menu
This menu is used to display the current system conditions of the DBS controller.
Locked Rotor Current
300 - 800
600
%FLA
Motor manufacturer’s specified current draw for a stalled motor.
Stall Time
1 - 60
10
Seconds
Length of time the motor can draw lock rotor current and not
experience damage.
Jam Current Level
100 - 600
300
%FLA
Current limit allowed for an abnormally sudden increase in
motor load.
Jam Run Delay
0 - 60
10
Seconds
Length of time the jam current level can be exceeded before
an alarm.
* Service Factor
75 - 125
115
%FLA
Service factor shown on the motor nameplate
Current Unbalance Level
2 - 25
25
%FLA
Amount of current one phase is allowed to exceed the average
current of all three phases.
Current Unbalance Delay
0 - 240
5
Seconds
Length of time the current unbalance level can be exceeded before
an alarm.
SELECTION
RANGE DEFAULT
UNITS
DESCRIPTION
Average Current
Amps
Current measured by the three current inputs averaged
together and displayed as an rms value.
Current Phase A
Amps
“Live” current reading for phase A.
Current Phase B
Amps
“Live” current reading for phase B.
Current Phase C
Amps
“Live” current reading for phase C.
Elapsed Run Time
Hr:Min
Time since last start.
Thermal Capacity Used
%Cap
Calculated thermal capacity used by the motor.
Heatsink Temperature
DegC
DBS chassis heat sink temperature.
Time Till Start
Minutes
Time remaining before the thermal capacity drops low
enough for the motor to be allowed to start.
Alarm - Enter = Ack
Prompt to acknowledge alarm.
Trip - Enter = Ack
Prompt to acknowledge trip.
UNITS
SELECTION
DESCRIPTION
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* NOTE:
Maximum Service Factor of 125% for FLA Switch #0-8, 115% for
FLA Switch #9-B, 100% for FLA Switch #C-F.
9.0 DBS Display Unit
5
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