APC 6000 user manual Parallel connected UPS, Block diagram

Page 24

Parallel connected UPS

This chapter presents the specific operating aspects and system data provided by the "GTCZ" and "GT2Z" boards in parallel connected UPSs.

For more detailed information, please refer to the "system information" section.

Block diagram

Q1

Mains 1

b

rectifier-

chargerinverter

e

QF1

battery

K3N Q5N

load

cd

Measured quantities

b

F Mains 1

<1A0>

U

Mains 1

<140 to 142>

 

 

 

I

Mains 1

<100 to 102>

c

F inverter

<1A1>

U

inverter

<143 to 148>

 

 

 

I

inverter

<106 to 108>

d

F load

<1A3>

U

load

<14F to 154>

 

 

 

I

load

<10C to 10E>

 

Apparent and active

 

 

 

 

 

power

<180 to 187>

 

 

 

e

I battery or I dc

<115 or 1C1>

U battery or U dc

<155 or 1C0>

 

Battery backup time

<1C2>

Battery temperature

<1C3>

The numbers enclosed by <> are the addresses in the data array.

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Contents Mgetm GalaxyTM GTC link communication interface2 6739389EN/FB Contents Presentation IntroductionACQ module COM moduleCommunication settings InterfaceJbus protocol Principle Synchronizing data exchangesDescription of request and response frames Checking received messages on the slave side Functions Function 1 and 2 read N bitsFunction 3 and 4 read N words Function 5 writing a bitFunction 8 reading error diagnosis counters Function 6 writing a wordFunction 11 reading event counters Function 15 writing n consecutive bitsFunction 16 writing n consecutive words MSB LSB MSB LSB MSBCRC 16 algorithm Example of CRC computation Example of CRC 16 computation in C using table lookup Table of Most Significant Bytes for CRC16 ComputationJbus protocol UPS theory of operation Unitary UPSParallel connected UPS with Static Switch cubicle Operation without batteryUPS without Mains Operation with battery Block diagram Unitary UPSMeasured quantities Normal operation Load on battery Main status bits UPS operating informationOperating modes Load on Mains Load on bypass Parallel connected UPS Normal operation Load on battery Disconnected Main status bits of system operationsStatic Switch cubicle Static Switch Main indicators of system operationsNormal operation Load on Mains Load on bypass Example of read data array commands sent by the terminal Sample commands List of variable fieldsSystem information Message formatGeneral definitions Signaling field Tables of measured dataCurrent fields Power fields Frequency fields Voltage fieldsBattery and adjustments fields Tables of binary dataRectifier-charger Inverter ConnectivityTable of control devices Global informationGlossary of information descriptors Word addressInverter stack overload 0=no/1=overload Word address 4A Word address 4CWord address 4D Word address 4E summaryC10 call reset 0= not activated / 1=activated Word address C1
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