Automation Direct Stellar SR55 Series - Page 72

Page 3–42 Stellar
®
SR55 Series Soft Starter User Manual – 1st Ed, Rev F – 09/18/2019
Chapter 3: Configuration and Parameters
advanCed “firing mode” parameTer
P9.0 – Firing Mode Hold. Reg. Type:
Description: Read/Write
Set to correspond with SR55 connection to the Motor. Refer to connection diagrams in the Quick
Start Guide, or in the “Electrical Installation” Chapter 2 of this user manual.
Range: Modbus Decimal Value: Default (decimal):
• In- Line : The SR55 is connected in-line with a delta or star
connected motor.
• In- Delta : The SR55 is connected inside the delta of the motor. The
iERS function is disabled. In-Delta must be selected if “Legacy
Delta Mode” parameter is desired.
• 0
• 1
• In-Line (0)
Modbus Address: Modbus Format:
128 ( 80 hex ) 16-bit unsigned
Touchscreen Menu Path:
Home → Advanced → Firing Mode
advanCed “legaCy delTa mode” parameTer
P9.1 – Legacy Delta Mode Hold. Reg. Type:
Description: Read/Write
Allows the SR55 to be retro-fitted into “Delta” applications that previously used an SR44 in-delta
configuration. (Changes phase rotation L1-L2-L3 to L1-L3-L2.)
For “Legacy Delta Mode” to be activated, “Firing Mode” must be set to “In-Delta”.
Range: Modbus Decimal Value: Default (decimal):
• Off : Operates normally. Refer to SR55 delta connection diagram
in “Electrical Installation” Chapter 2 or the Quick Start Guide.
• On : Operates in SR44 delta compatibility mode.
(Changes phase rotation L1-L2-L3 to L1-L3-L2.)
• 0
• 1
• Off (0)
Modbus Address: Modbus Format:
192 ( C0 hex ) 16-bit unsigned
Touchscreen Menu Path:
Home → Advanced → Legacy Delta Mode
P9.2 – Main Contactor Control Hold. Reg. Type:
Description: Read/Write
Used when the motor is required to start when the Main Contactor closes, and stop when it
opens. An auxiliary contact from the main contactor is used as a Start/Stop signal. The ‘Stop
Time’ must be set to zero.
Range: Modbus Decimal Value: Default (decimal):
• Off : When the contactor opens and the stop signal is given at the
same time, the unit may trip on “Phase Loss” (Default).
• On : When the contactor opens and the stop signal is given at the
same, time the unit will not trip on “Phase Loss.”
• 0
• 1
• OFF (0)
Modbus Address: Modbus Format:
14144 ( 3740 hex ) 16-bit unsigned
Touchscreen Menu Path:
Home → Advanced → Main Contactor Control