Xtreme Power Conversion P91 - Page 31

Xtreme Power Conversion Corporaon
P91, TX91, TX91L, TXVR Service Manual
Page 31
Uninterrupble Power Supply
CH1: INV voltage
CH2: IP voltage
CH3: VGE-(INV PWM-)
CH4: VGE+(INV PWM+)
Figure 9.4 INV PWM
9.2 Basic communicaon command
In this secon, we will show you some basic communicaon commands that will help you debug or regulate the
UPS system.
9.2.1 QGS
QGS means to request general status parameters of the system. The command format is: Computer: QGS<cr>
UPS: (MMM.M HH.H LLL.L NN.N QQQ.Q DDD KKK.K VVV.V SSS.S XXX.X TTT.T
b9b8b7b6b5b4b3b2b1b0a0a1<cr>