Milltronics ACCUMASS BW500 - Page 5

PL-565 Accumass BW500 Page 5
Derivative Control (Pre-Act or Rate), D...................................................99
Feed Forward Control, F .......................................................................100
PID Setup and Tuning..................................................................................100
Initial Start-Up........................................................................................100
Programming ...............................................................................................103
Batching...................................................................................................................107
Connections .................................................................................................107
Typical Ladder Logic .............................................................................107
Programming ...............................................................................................108
Operation .....................................................................................................109
Pre-act Function ....................................................................................109
Certification .............................................................................................................111
Communications.....................................................................................................113
BW500 and SmartLinx
®
...............................................................................114
Connection...................................................................................................114
Wiring Guidelines ..................................................................................114
Configuring Communication Ports ...............................................................115
P770 serial protocols.............................................................................115
P771 protocol address ..........................................................................116
P772 Baud Rate ....................................................................................116
P773 Parity ............................................................................................116
P774 data bits .......................................................................................117
P775 stop bits........................................................................................117
P778 modem attached ..........................................................................117
P779 modem idle time...........................................................................117
P780 RS-232 transmission interval.......................................................118
P781 data message ..............................................................................118
Dolphin Protocol...........................................................................................120
Dolphin Plus Screen Shot .....................................................................120
Modbus RTU/ASCII Protocol .......................................................................121
How Modbus Works ..............................................................................121
Modbus RTU vs. ASCII .........................................................................122
Modbus Format .....................................................................................122
Modbus Register Map ...........................................................................123
Modbus Register Map (cont’d) ..............................................................125
Modems.................................................................................................133
Error Handling .......................................................................................135
Troubleshooting......................................................................................................137
Generally ...............................................................................................137
Specifically.............................................................................................137
Error Codes..................................................................................................138
Appendices..............................................................................................................139
Memory Backup ...........................................................................................139
Software Updates ........................................................................................139
Calibration Criteria .......................................................................................139
Zero: ......................................................................................................139
Span: .....................................................................................................139
PID Systems:.........................................................................................139