APC MGETM GALAXYTM 6000 User Manual download pdf (Page 9)

6739389EN/FB - Page 9

Functions

Function 1 and 2: read N bits

◗ function 1: read output or internal

bits;

◗ function 4: read input bits.

The number of bits must be less

than or equal to the bit field size

(see memory board).

response

request

20 01 02

20 01 0404 66 FE

example

40440B

request:

response:

last bit transmitted first bit transmitted

1 byte

1 byte 1 byte ✷ bytes 2 bytes

1 byte

1 byte 2 bytes 2 bytes 2 bytes

byte detail:

slave address 1 or 2

CRC 16

slave address 1 or 2

CRC 16

Unused bits are set to zero

address of

first bit

MSB LSB

number of bits

to read

number of

bytes

read

first

byte

read

last

byte

read

00101110

10101001

(binary values)

FB B7

40C

411

Reading bits at location 404 to 411 of slave at address 20H (charger signals)

JBUS protocol (continued)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 37 38

"GTC link" 1
Page 2 - 6739389EN/FB 2
Contents 3
Presentation 4
Communication settings 5
JBUS protocol 6
JBUS protocol (continued) 10
UPS theory of operation 18
(continued) 19
UPS without Mains 2 19
Unitary UPS 21
Unitary UPS (continued) 22
Parallel connected UPS 24
Operating modes 25
Static Switch cubicle 26
Static Switch (continued) 27
System information 28
General definitions 29
Signaling field 29
Tables of measured data 29
Voltage fields 30
Power fields 30
Frequency fields 30
Tables of binary data 31
Inverter 32
Connectivity 32
Table of control 33
Telemonitoring 33
Glossary of information 34
Word address: 49 36
Word address: 4A 36
Word address: 4C 36
(summary of operating 36
Glossary of 37
Word address: C1 38

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APC MGETM GALAXYTM 6000 User Manual Page 9

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