Lika EM58 MB, User Manual

Page: 4 / 92

SW version ...........................................................................................................................................................38
HW version
..........................................................................................................................................................38
Status word
.........................................................................................................................................................38
Alarm register
....................................................................................................................................................38
Machine data not valid
................................................................................................................................38
5.3.3 Reading the exception responses – Exception error......................................................................39
Exception error
.................................................................................................................................................39
5.3.4 Reading / writing the Holding Registers.............................................................................................40
Counts per rev
...................................................................................................................................................41
Total resolution .................................................................................................................................................41
Preset value
.........................................................................................................................................................41
Offset value
.........................................................................................................................................................41
Node address
......................................................................................................................................................41
Baud rate
..............................................................................................................................................................42
Operating parameters
...................................................................................................................................42
Enable scaling function...............................................................................................................................42
Change counting dir.....................................................................................................................................42
Control word ......................................................................................................................................................42
Enable watchdog...........................................................................................................................................42
Execute preset.................................................................................................................................................43
Upload defaults..............................................................................................................................................43
Auto save
..............................................................................................................................................................44
Save parameters.............................................................................................................................................44
5.4 Update FW page - Firmware upgrade..............................................................................................................45
5.4.1 Information on firmware upgrade.........................................................................................................45
5.4.2 Preliminary operations and connections.............................................................................................46
5.4.3 Launching the firmware upgrade process..........................................................................................46
5.5 Manual frame page – Transmitting PDUs manually..................................................................................48
6 MODBUS® interface........................................................................................................................... 50
6.1 MODBUS Master / Slaves protocol principle.................................................................................................50
6.2 MODBUS frame description..................................................................................................................................51
6.3 Transmission modes.................................................................................................................................................52
6.3.1 RTU transmission mode..............................................................................................................................53
6.4 Function codes............................................................................................................................................................55
6.4.1 Implemented function codes...................................................................................................................55
03 Read Holding Registers
........................................................................................................................55
04 Read Input Register
................................................................................................................................57
06 Write Single Register
.............................................................................................................................59
16 Write Multiple Registers
......................................................................................................................61
7 Programming parameters................................................................................................................. 65
7.1 Parameters available................................................................................................................................................65
7.1.1 Machine data parameters (Holding registers)...................................................................................65
Custom counts per revolution [0000-0001 hex]
............................................................................65
Custom total resolution [0002-0003 hex]
.........................................................................................67
Preset value [0004-0005 hex]
...................................................................................................................70
Offset value [0006-0007 hex]
....................................................................................................................71
Operating parameters [0008 hex]
...........................................................................................................72
Scaling function
...............................................................................................................................................72
Code sequence ..................................................................................................................................................73
Control Word [0009 hex]
..............................................................................................................................73