6.2.15 Entering fieldbus parameters using front-panel keys ........................................ 136
6.2.16 Displaying system information .............................................................................. 137
6.2.17 Printing configuration data .................................................................................... 138
6.3 Other functions via keypad .................................................................................................. 138
6.3.1 Testing the front-panel keys .................................................................................... 138
6.3.2 Testing digital inputs ................................................................................................ 139
6.3.3 Testing digital outputs .............................................................................................. 140
6.3.4 Testing the RS-232 interface .................................................................................... 141
6.3.5 Testing the RS-485 interface .................................................................................... 142
6.3.6 Testing the analog output ........................................................................................ 142
7 ModBus protocol ....................................................................................................................... 144
7.1 General description ............................................................................................................... 144
8 SMA protocol .............................................................................................................................. 145
8.1 General description ............................................................................................................... 145
9 Fieldbus interface ...................................................................................................................... 146
9.1 General notes ......................................................................................................................... 146
9.2 Scale protocol ......................................................................................................................... 146
9.2.1 Data exchange range ................................................................................................ 147
9.2.2 Reading and writing data with function numbers ................................................ 151
9.2.3 Reading and writing bits directly ............................................................................ 153
9.2.4 Waiting for the result of the action ........................................................................ 155
9.2.5 Function numbers ..................................................................................................... 156
9.2.6 Example: reading the gross weight ........................................................................ 166
9.2.7 Special note for DeviceNet and EtherNet/IP ......................................................... 168
10 SPM ............................................................................................................................................ 169
10.1 General notes ....................................................................................................................... 169
10.2 Elementary data types ........................................................................................................ 169
10.3 Addressing ............................................................................................................................ 170
10.4 System data .......................................................................................................................... 171
11 Error messages ........................................................................................................................ 174
11.1 Error messages measuring circuit ..................................................................................... 174
11.2 General error messages ..................................................................................................... 175
11.3 Error numbers @ "LAST_ERROR" ....................................................................................... 177
11.3.1 Weighing point errors ............................................................................................ 177
12 Maintenance/repairs/cleaning .............................................................................................. 178
12.1 Maintenance ......................................................................................................................... 178
12.2 Repairs ................................................................................................................................... 178
12.2.1 Battery for date/time .............................................................................................. 178
12.2.2 Replacing the battery for date/time ..................................................................... 179
12.3 Solder work ........................................................................................................................... 179