YOKOGAWA WT1800 User Manual

iii
IM WT1801-01EN
Contents
4 Motor Evaluation Conditions (Option)
Motor Evaluation Conditions and Auxiliary Input Conditions (MOTOR/AUX SET) ....................... 4-1
Scaling Factor (Scaling) ................................................................................................................ 4-1
Unit (Unit) ...................................................................................................................................... 4-2
Input Signal Type (Sense Type) .................................................................................................... 4-2
Analog Input Range ...................................................................................................................... 4-3
Linear Scaling of Analog Input ...................................................................................................... 4-3
Line Filter (Line Filter) ................................................................................................................... 4-4
Synchronization Source (Sync Source) ........................................................................................ 4-5
Pulse Input Range ........................................................................................................................ 4-5
Torque Signal Pulse Rating........................................................................................................... 4-5
Revolution signal pulses per revolution (Pulse N) ........................................................................ 4-7
Synchronous Speed (Sync Speed) ............................................................................................... 4-7
Electrical Angle Measurement (Electrical Angle Measurement) ................................................... 4-8
Motor Efciency and Total Efciency Computation ....................................................................... 4-9
5 Auxiliary Input Conditions (Option)
Auxiliary Input Conditions (MOTOR/AUX SET) ............................................................................ 5-1
Input Signal Name (Aux Name) .................................................................................................... 5-1
Scaling Factor (Scaling) ................................................................................................................ 5-1
Unit (Unit) ...................................................................................................................................... 5-1
Analog Input Range ...................................................................................................................... 5-1
Linear Scaling of Analog Input ...................................................................................................... 5-2
Line Filter (Line Filter) ................................................................................................................... 5-3
6 Holding Measured Values and Performing Single Measurements
Holding Measured Values (HOLD) ................................................................................................ 6-1
Single Measurement (SINGLE) .................................................................................................... 6-1
7 Numeric Data Display
Numeric Data Display (NUMERIC) ............................................................................................... 7-1
Display Format (FORM) ................................................................................................................ 7-1
Numeric Data Display Format ....................................................................................................... 7-1
Switching the Displayed Page (PAGE UP/PAGE DOWN) ............................................................ 7-3
Jumping to the First or Last Page (PAGE TOP/PAGE END) ........................................................ 7-3
Number of Displayed Digits (Display Resolution) ......................................................................... 7-4
Display Item (ITEM) ...................................................................................................................... 7-4
4-, 8-, and 16-Value Displays (4 Items/8 Items/16Items) .............................................................. 7-5
Matrix display (Matrix) ................................................................................................................... 7-7
All Items Display (All Items) .......................................................................................................... 7-8
Single Harmonics and Dual Harmonics Lists (Hrm List Single/Dual; option) ................................ 7-9
Custom Display (Custom) ........................................................................................................... 7-10

YOKOGAWA WT1800 Specifications

General

Model	WT1800
Basic Power Accuracy	±0.1% of reading
Frequency Range	DC, 0.1 Hz to 1 MHz
Harmonic Analysis	Yes, up to 500th order
Voltage Range	1.5 V to 1000 V
Current Range	0.5 A to 50 A
Display	8.4-inch LCD
Interfaces	USB, Ethernet, GP-IB
Sampling Rate	2 MS/s
Dimensions	426 mm x 177 mm x 400 mm