Specifications

74
VFD Field Setup and Verification
USING THE KEYPAD — The keypad display is used to mon-
itor, view fault history and adjust the program of the VFD
microprocessor. It operates in two modes: Monitor mode and
Program mode:
Use the and keys to:
• Step through the drive parameter menus and error log
when the keypad/display is in Program mode.
• Increase or decrease a numeric value such as the refer-
ence or parameter value.
• Hold down these keys to increase the scroll speed.
Use the softkey to:
• Display a parameter or a selection value in Program
mode.
• Save a value.
• Move through each monitor display item when in Moni-
tor mode.
MONITOR MODE (Default Mode) — Specific drive condi-
tions may be monitored on the keypad when in this mode. An
LED will be illuminated next to the description of what is dis-
played on the keypad. Use the softkey to scroll
through and monitor the following selections:
• All LEDs on — Speed request from the ICVC
• Motor Speed
• Output Frequency
• Output Voltage
• Output Current
•Kilowatts
• Torque
PROGRAM MODE — This mode displays and modifies
the configuration parameters of the VFD microprocessor. Par-
ticular parameters, parameter numbers, and error log informa-
tion can be displayed when in Program mode.
Press the softkey until the PROGRAM LED is
illuminated to enter the Program mode.
Use the and keys to move through the menus
Press softkey to select the desired menu.
Table 13 — Benshaw RediStart MX3 Menu Structure
Table 14 — Benshaw RediStart MX3 Menu Items*
*These values are not displayed in the ISM_CONF table.
†Current Transformer Ratio
IMPORTANT: The VFD controller has been factory con-
figured for use and communications to the International
Chiller Visual Controller (ICVC). Some parameters are
specific to the chiller configuration and will need to be ver-
ified prior to operation. Speed control and starting the drive
have been disabled at the VFD keypad. All command func-
tions must be initiated from the ICVC.


ENTER
ENTER
PROGRAM


ENTER
Fig. 34 — Benshaw RediStart
MICRO Default Display
a19-1958
ISM MENU CFN MENU FUN MENU FL MENU E MENU
Shows parameters entered
on the ISM_CONF screen on
the ICVC
Initial Current as % RLA Meter #1 display Fault Log (9 faults) Event Log (99 events)
Max. Current As% LRA Meter #2 display
Ramp Time (seconds) CT Ratio
Time & Date Format
Time
Date
Passcode
DESCRIPTION BENSHAW PARAMETER RANGE UNITS DEFAULT
INITIAL CURRENT CFN01 50-300 % 125
MAX. CURR AS % LRA CFN02 30-70 % 55
RAMP TIME CFN03 5-30 SEC 15
CT RATIO FUN03 2640-5760 †
Starter Frame Size
(Amps)
Motor RLA Range
(Amps)
CT Ratio
200 Amps 95-135 Amps 864:1
200 Amps 136-200 Amps 2640:1
300 Amps 201-231 Amps 2640:1
300 Amps 232-300 Amps 2640:1
480 Amps 301 -340 Amps 2640:1
480 Amps 341-480 Amps 3900:1
600 Amps 481-580 Amps 3900:1
600 Amps 581-600 Amps 3900:1
740 Amps 601-740 Amps 3900:1
1250 Amps 741-855 Amps 5760:1
1250 Amps 856-1250 Amps 5760:1