S&C Instruction Sheet 515-600 21
Field Adjustment and Programming
Table 1. Field-Adjustable Items in the Configure Menu
Field-Adjustable Item
CONFIG:
Description
Displayed If
Operating State
or Range
①
SELECT PREFERRED Assignment of “LEFT” or “RIGHT” as preferred source
CONFIG: SELECT BUS TYPE has
been factory-set for “COMMON,” “PAD
MNT,” or “SPLTCOM” bus type
②
LEFT, RIGHT
UNBALANCE DETECT Selection of Unbalance Detection feature “ON” or “OFF”
CONFIG: UNBALANCE INSTALL has
been factory-set for “ON”
ON, OFF
SELECT RETURN
Selection of
Hold, Auto, or Window option as means by
which return-of-source transfer will be effected
Displayed at all installations
HOLD,
AUTO,
WINDOW
SELECT TRANSITION
Selection of
Open or Closed setting as type of transition
by which automatic return-of-source transfer will be
effected
CONFIG: SELECT RETURN has been
set for “AUTO” or “WINDOW” return
OPEN, CLOSED
RESTORE VALUES
Sets all field-adjustable items back to the factory settings
Displayed at all installations
PRESS ENTER
DWELL TIMER
Selection of transition-dwell time delay “IN” or “OUT”
Displayed at all installations
IN,
OUT
NORMALIZE LEFT
Means of compensating for any output-voltage magnitude
unbal ance and/or phase-angle unbalance between voltage
transformers on the left source
CONFIG: VOLTAGE SENSING has
been factory-set for “4 WIRE” voltage
sensing
PRESS ENTER
NORMALIZE RIGHT
Means of compensating for any output-voltage magnitude
unbal ance and/or phase-angle unbalance between voltage
transformers on the right source
CONFIG: VOLTAGE SENSING has
been factory-set for “4 WIRE” voltage
sensing
PRESS ENTER
SET BASE LEFT
Means of calibrating control to a known voltage on phase 2
of the left source
Displayed at all installations
105-130 VOLTS
(120 VOLTS)
SET BASE RIGHT
Means of calibrating control to a known voltage on phase 2
of the right source
Displayed at all installations
105-130 VOLTS
(120 VOLTS)
ACCESS CODES
Selection of alternative access code
Displayed at all installations
4 DIGITS MIN .,
7 DIGITS MAX .
COM Ø BIT RATE
Selection of communication port data transfer bit rate
Optional communications card has
been installed
2400, 4800,
9600, 19200,
or 38400 BPS
(19200 BPS)
Follow these steps to set the following menus for field adjustment and programming.
STEP 1.
Place the manual/automatic operation selector switch in
Manual
mode to
prevent automatic operation during adjust ment and programming.
STEP 2.
Set the operating characteristics of the Micro-AT control using the following
procedure:
(a) Press the CONFIGURE menu key. The following display will appear:
CONFIG:
PRESS LAST/NEXT ITEM
(b) Press the NEXT item key. The first item of the
Configure
menu will appear
on the first line of the display.
CONFIG: SELECT BUS TYPE
(c) Press the NEXT item key repeatedly to scroll to each field adjustable item
of the
Configure
menu, as listed in the Table 1.
Configure Menu
①
Factory settings are shown in boldface type .
②
Weatherproof enclosure applications use “COMMON” bus .
