Table of contents
BW500 and BW500/L
6 Operating Instructions, 12/2016, A5E33482052-AD
11.3.5 P774 Data bits...................................................................................................................... 129
11.3.6 P775 Stop bits ...................................................................................................................... 129
11.3.7 P778 Modem attached ......................................................................................................... 129
11.3.8 P779 Modem idle time ......................................................................................................... 130
11.3.9 P780 RS-232 Transmission interval .................................................................................... 130
11.3.10 P781 Data message ............................................................................................................ 131
11.3.11 P799 Communications Control ............................................................................................ 131
11.4 Dolphin Protocol ................................................................................................................... 132
11.5 Modbus RTU/ASCII Protocol ............................................................................................... 133
11.5.1 How Modbus Works ............................................................................................................. 133
11.5.2 Modbus RTU vs. ASCII ........................................................................................................ 134
11.5.3 Modbus Format .................................................................................................................... 134
11.5.4 Modbus Register Map .......................................................................................................... 134
11.5.5 Modbus Register Map (cont’d) ............................................................................................. 138
11.6 Modems ............................................................................................................................... 147
11.6.1 Example Setup ..................................................................................................................... 147
11.7 Error Handling ...................................................................................................................... 149
12 Parameters .......................................................................................................................................... 153
12.1 Start Up (P001 to P017) ....................................................................................................... 153
12.1.1 P001 Language .................................................................................................................... 153
12.1.2 P002 Test Reference Selection ........................................................................................... 153
12.1.3 P003 Number of Load Cells ................................................................................................. 154
12.1.4 P004 Rate Measurement System ........................................................................................ 154
12.1.5 P005 Design Rate Units ....................................................................................................... 154
12.1.6 P008 Date ............................................................................................................................ 154
12.1.7 P009 Time ............................................................................................................................ 155
12.1.8 P011 Design Rate ................................................................................................................ 155
12.1.9 P014 Design Speed ............................................................................................................. 155
12.1.10 P015 Speed Constant .......................................................................................................... 155
12.1.11 P016 Belt Length.................................................................................................................. 156
12.1.12 P017 Test Load .................................................................................................................... 156
12.1.13 P018 Speed Adjust .............................................................................................................. 157
12.1.14 P019 Manual Span Adjust ................................................................................................... 157
12.1.15 P022 Minimum Speed Frequency ........................................................................................ 157
12.1.16 P080 Display Damping ........................................................................................................ 157
12.1.17 P081 Display Scroll Mode .................................................................................................... 158
12.2 Relay/Alarm Function (P100 - P117) ................................................................................... 158
12.2.1 P100 Relay Function ............................................................................................................ 158
12.2.2 P101 High Alarm / Deviation Alarm ..................................................................................... 159
12.2.3 P102 Low Alarm ................................................................................................................... 159
12.2.4 P107 Relay Alarms .............................................................................................................. 159
12.2.5 P117 Relay Dead Band .......................................................................................................
160
12.
2.6 P118 Relay Logic ................................................................................................................. 160
12.2.7 P119 Override ...................................................................................................................... 160
12.3 mA I/O Parameters (P200 - P220) ....................................................................................... 161
12.3.1 P200 mA Output Range ....................................................................................................... 161
12.3.2 P201 mA Output Function .................................................................................................... 161
12.3.3 P204 mA Output Average .................................................................................................... 161