Atlas Copco PowerMACS 4000 User Manual

Peripheral Devices
536 9836 3521 01
8.13.4.1 JBUS
Two types of commands are used:
 Word read (function 3) to read data from PowerMACS
 Multiple word write (function 16) to write data in PowerMACS
Checksum is calculated as CRC-16 for all bytes from the first byte (slave no) up until the checksum.
PowerMACS will respond to all telegrams independent of Slave no from XD.
Reading 5 integers at address 500
Writing 5 integers at address 0
XD
PM
Comment
XD
PM
Comment
0x00
* Slave no
0x00
* Slave no
0x03
Read command
0x10
Write command
0x01
Address, MSB
0x00
Address, MSB
0xF4
Address, LSB
0x00
Address, LSB
0x00
Size in words, MSB
0x00
Size in words, MSB
0x05
Size in words, LSB
0x05
Size in words, LSB
0xC4
Checksum, LSB
0x0A
Size in bytes
0x16
Checksum, MSB
xx
Data
:
5 x (MSB-LSB)
0x00
Slave no
xx
Checksum, LSB
0x03
Read command
xx
Checksum, MSB
0x0A
Number of bytes
xx
Data
0x00
Slave no
:
5 x (MSB-LSB)
0x10
Write command
xx
Checksum, LSB
0x00
Address, MSB
xx
Checksum, MSB
0x00
Address, LSB
0x00
Size in words, MSB
0x05
Size in words, LSB
0x01
Checksum, LSB
0xDB
Checksum, MSB

Atlas Copco PowerMACS 4000 Specifications

General

Brand	Atlas Copco
Model	PowerMACS 4000
Category	Power Tool
Language	English