Emerson Commander SX - Page 8

ADVANCED USER GUIDE
Commander SX
IP66/Nema 4X variable speed drive
CONTENTS
CONTROL TECHNIQUES
3854 en - 03.2008 / b
8
10 - MENU 8: ASSIGNMENT OF DIGITAL INPUTS AND OUTPUTS...............................................................................75
10.1 - List of parameters in Menu 8 .......................................................................................................................................75
10.2 - Menu 8 diagrams .........................................................................................................................................................77
10.2.1 - Assignment of digital inputs and the relay output ...........................................................................................77
10.2.2 - Local controls .................................................................................................................................................78
10.3 - Explanation of parameters in Menu 8 ..........................................................................................................................79
11 - MENU 9: LOGIC FUNCTIONS, MOTORISED POT AND BINARY SUM ..................................................................83
11.1 - List of parameters in Menu 9 .......................................................................................................................................83
11.2 - Menu 9 diagrams .........................................................................................................................................................84
11.2.1 - Logic functions ...............................................................................................................................................84
11.2.2 - Motorised pot function ....................................................................................................................................84
11.2.3 - Binary sum function ........................................................................................................................................84
11.3 - Explanation of parameters in Menu 9 ..........................................................................................................................85
12 - MENU 10: DRIVE STATES AND DIAGNOSTICS ......................................................................................................87
12.1 - List of parameters in Menu 10 .....................................................................................................................................87
12.2 - Menu 10 diagrams .......................................................................................................................................................90
12.2.1 - Operating states .............................................................................................................................................90
12.2.2 - Braking resistor and trip management configuration ......................................................................................91
12.3 - Explanation of parameters in Menu 10 ........................................................................................................................92
13 - MENU 11: SERIAL LINK - DRIVE CHARACTERISTICS - MISCELLANEOUS.........................................................97
13.1 - List of parameters in Menu 11 .....................................................................................................................................97
13.2 - Menu 11 diagram ........................................................................................................................................................99
13.3 - Explanation of parameters in Menu 11 ......................................................................................................................100
14 - MENU 12: THRESHOLD DETECTORS, VARIABLE SELECTORS AND BRAKE CONTROL FUNCTION............105
14.1 - List of parameters in Menu 12 ...................................................................................................................................105
14.2 - Menu 12 diagrams .....................................................................................................................................................106
14.2.1 - Comparators ................................................................................................................................................106
14.2.2 - Variable selectors .........................................................................................................................................106
14.2.3 - Brake control in open loop mode .................................................................................................................107
14.2.4 - Brake control in closed loop mode ...............................................................................................................108
14.3 - Explanation of parameters in Menu 12 ......................................................................................................................109
15 - MENU 13: RESERVED .............................................................................................................................................113
16 - MENU 14: PID CONTROLLER .................................................................................................................................115
16.1 - List of parameters in Menu 14 ...................................................................................................................................115
16.2 - Menu 14 diagram ......................................................................................................................................................116
16.3 - Explanation of parameters in Menu 14 ......................................................................................................................117
17 - MENU 15: MODBUS RTU AND FIELDBUS CONNECTION OPTIONS, AND ADDITIONAL I/O ...........................119
18 - MENU 16: PLC FUNCTIONS ....................................................................................................................................121
18.1 - List of parameters in Menu 16 ...................................................................................................................................121
18.2 - Menu 16 diagrams .....................................................................................................................................................122
18.2.1 - Timer relays .................................................................................................................................................122
18.2.2 - Latching relays .............................................................................................................................................122
18.2.3 - Counter ........................................................................................................................................................123
18.3 - Explanation of parameters in Menu 16 ......................................................................................................................124
19 - MENUS 17 TO 20: RESERVED ...............................................................................................................................127
20 - MENU 21: OPERATING PARAMETERS FOR A SECOND MOTOR.......................................................................129
20.1 - List of parameters in Menu 21 ...................................................................................................................................129
20.2 - Explanation of parameters in Menu 21 ......................................................................................................................130
21 - OPERATION WITH MODBUS RTU .........................................................................................................................133
21.1 - Serial link ...................................................................................................................................................................133
21.1.1 - Location and connection ..............................................................................................................................133
21.1.2 - Protocols ......................................................................................................................................................133
21.1.3 - Parameter setting..........................................................................................................................................133
21.1.4 - Networking ...................................................................................................................................................133
21.2 - Parameter setting using the PC ................................................................................................................................133
21.3 - Control word and status word ....................................................................................................................................133
21.4 - MODBUS RTU ..........................................................................................................................................................134
21.4.1 - General information.......................................................................................................................................134
21.4.2 - Description of exchanges .............................................................................................................................134
21.4.3 - Parameter assignment .................................................................................................................................135
21.4.4 - Data encoding ..............................................................................................................................................135
21.4.5 - Function codes .............................................................................................................................................135
21.4.6 - Example .......................................................................................................................................................137
21.4.7 - Wait time ......................................................................................................................................................137
21.4.8 - Exceptions ....................................................................................................................................................137
21.4.9 - CRC .............................................................................................................................................................137