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SECTION 3.SECTION 3.

SECTION 3.

OPERAOPERA

OPERA

OR CONTROLSOR CONTROLS

OR CONTROLS

The following controls, displays and indicators are lo-

cated on the operator control panel on the door of the

1703 Series drives. This panel consists of soft touch

membrane switches, a 3½ digit backlit LCD display

and status indicating LCDs. On newer displays, the

back light will automatically turn itself off after a few

minutes of inactivity. To turn on the back light, press

any of the membrane switches.

3.1 SWITCHES3.1 SWITCHES

3.1 SWITCHES

3.1.13.1.1

3.1.1

START SELECT SWITCHESSTART SELECT SWITCHES

START SELECT SWITCHES

The start select switches consist of three mem-

brane switches (HAND, OFF, AUTO). The

start/stop functions of the drive are controlled

using these switches and the customer’s remote

start/stop contacts connected in series with ter-

minals 3 and 4 of terminal strip 4TB4.

HANDHAND

HAND - The drive is commanded to energize

the run relay and start. In the HAND position

any customer interconnect contacts connected

to 4TB4 terminals 3 and 4 will be overridden.

The HAND LCD on the display panel will be

visible.

OFFOFF

OFF - The drive is commanded to stop. In the

OFF position any customer interconnect con-

tacts connected to 4TB4 terminals 3 and 4 will

be overridden. The OFF LCD on the display

panel will be visible.

AUTOAUTO

AUTO - The drive is commanded to start only if

the customer interlock contacts connected to

4TB4 terminals 3 and 4 are closed. The AUTO

LCD on the display panel will be displayed.

3.1.23.1.2

3.1.2

SPEED SELECT SWITCHESSPEED SELECT SWITCHES

SPEED SELECT SWITCHES

The speed select switches consist of two mem-

brane switches (LOC, REM). These switches se-

lect the speed reference input to be tracked.

LOCLOC

LOC - In the LOCAL position, drive speed is

controlled with the SPEED switches (▲, ▼) on

the operator panel. The LOC LCD on the dis-

play panel will be visible.

REMREM

REM - The REMOTE selection commands the

drive to track the speed commands being pro-

vided from the customer’s control system on

4TB4 terminals 13 and 14. This input can be a

voltage or current signal. In the REMOTE

mode, the REM LCD on the display panel will

be visible.

3.1.33.1.3

3.1.3

SPEED SWITCHESSPEED SWITCHES

SPEED SWITCHES

The speed switches consist of two membrane

switches (▲,▼) which are used to increase and

decrease the drive speed command when the

LOCAL mode is selected. The LOC LCD must

be displayed for the switches to control drive

speed. As the speed command is changed using

the up or down buttons, the “MIN <—> MAX”

display will light more or fewer LCD segments.

▲ - Increase speed command in

LOCAL mode

▼ - Decrease speed command in

LOCAL mode

3.1.4 METER SELECT3.1.4 METER SELECT

3.1.4 METER SELECT

SWITCH SWITCH

SWITCH

The meter select membrane switch is

used to step through the LCD display

meter functions. As the different meter

functions are selected, their signals will

be displayed on the 3½ digit LCD display

and the meter function selected will dis-

play that specific LCD section. The meter

function LCDs will only remain displayed

if that meter function has been installed.

The meter display sequence is:

% SPEED

% LOAD

Operator Control Panel and ReadoutsOperator Control Panel and Readouts

Operator Control Panel and Readouts

Brand	Graham
Model	1703 Series
Category	DC Drives
Language	English

Graham 1703 Series User Manual

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Graham 1703 Series Specifications