Graham 1703 Series User Manual

Name: Graham 1703 Series
Brand: Graham
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40 pages

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TYPICAL 1703 SERIES

Customer Connections

4TB4 Customer Terminal Strip

Input Power

Line Terminals

Input from Motor

Starter Terminals

(optional)

Motor Terminals

Drive/Off/Line/Test Switch

(optional)

See page 5 for older drives of 21 amps or less.

Table of Contents3
General6
Receipt of Shipment6
Storage6
Handling6
Mounting6
Temperature and Ventilation6
Typical 1703 Series8
Wiring9
Input Voltage9
Ground Connections9
Input Disconnect and Input Fuses9
Isolation Transformer9
TYPICAL 1703 SERIES Customer Connections11
Input Wiring12
Output Wiring12
Output/Motor Disconnect12
Conduit Entry12
Control Circuit Wiring12
Remote Follower Connections12
Run and Fault Contacts13
Remote Run/Stop13
Remote Safety Interlock13
Speed Signal Output13
Torque Specifications14
Drive Currents, and Isolation Transformer Sizing Table14
Switches15
Start Select Switches15
Speed Select Switches15
Speed Switches15
Meter Select Switch15
Standard Option Switches16
Drive Input Disconnect Switch16
Bypass Disconnect Switch16
Main Disconnect Switch16
Drive/Off/Line/Transfer Switch16
Drive/Off/Line/Test Transfer Switch17
Interlocked Contactor Bypass17
Transfer Switch Motor Selection18
Contactor Motor Selection18
Power on19
Ready19
Run19
Rev19
Fault19
Ext20
Lamp Test/High Voltage20
Meter Display Indicators20
Min <-> Max20
Bus Pwr21
Comm21
Comm Drive21
Cond Drive21
Run CMD21
Control Board22
Offset and Gain24
Minimum and Maximum Speed24
Maximum Extended Speed24
Overload24
Current Limit24
I Comp24
Start-Up and Calibration Procedures24
Walking Frequency25
V/HZ Cal (Optional)25
Standard Calibration Settings25
P1, P2, P3 and P427
P5, P6 and P727
Internal Switches28
Switch SW128
A0, A1 and A228
D0, D1, and D228
Fcr28
Switch SW228
Extr28
Ovr29
Uvr29
Ocr29
Plr29
Hi-Torque29
Ext Spd29
4-20Ma29
Switch Sw330
Output Voltages30
Standard Switch Configuration31
Pre-Check Sequence32
Calibration Procedure32
Description of Operation34
Minimum Recommended Test Equipment36
Diode, Transistor and SCR Test36
Free-Wheeling Diode37
Output Diode Bridge Module37
Conduction/Commutation Transistor Module37
Input SCR Modules38
Output SCR Modules38
Output Diode Bridge38
Conduction/Commutation Transistor Module38
Power up Sequence38
Power Supply on the Control Board38
Output Checks39

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Graham 1703 Series Specifications

General

Brand	Graham
Model	1703 Series
Category	DC Drives
Language	English

Graham 1703 Series User Manual

Table of Contents

Questions and Answers:

Graham 1703 Series Specifications