Flintec LDU 78.1 - Manual (Page 3)

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 3 of 36
8.5. Taring and Zeroing Commands – SZ, ZA, RZ, ST, RT .......................................................................... 21
8.5.1. SZ Set System Zero ....................................................................................................................................... 21
8.5.2. ZA Set Averaged System Zero ....................................................................................................................... 21
8.5.3. RZ Reset Zero ................................................................................................................................................ 21
8.5.4. ST Set Tare .................................................................................................................................................... 21
8.5.5. RT Reset Tare ................................................................................................................................................ 21
8.6. Output Commands – GG, GN, GT, GS, GW, GA, GL, OF .................................................................... 22
8.6.1. GG Get Gross Value ...................................................................................................................................... 22
8.6.2. GN Get Net Value .......................................................................................................................................... 22
8.6.3. GT Get Tare Value ......................................................................................................................................... 22
8.6.4. GS Get ADC Sample Value ........................................................................................................................... 22
8.6.5. GW Get Data String “Net, Gross and Status“ ................................................................................................. 22
8.6.6. GA Get Triggered Average Value .................................................................................................................. 22
8.6.7. GL Get Data String “Average, Gross and Status“ .......................................................................................... 23
8.6.8. OF Output Format for Data String GW and GL .............................................................................................. 23
8.7. Auto–transmit Commands – SG, SN, SX, SW, SA, SL ......................................................................... 24
8.7.1. SG Send Gross Value continuously ............................................................................................................... 24
8.7.2. SN Send Net Value continuously ................................................................................................................... 24
8.7.3. SX Send ADC Sample Value continuously .................................................................................................... 24
8.7.4. SW Send Data String “Net, Gross and Status“ continuously .......................................................................... 24
8.7.5. SA Send Triggered Average Value automatically .......................................................................................... 24
8.7.6. SL Send Data String “Average, Gross and Status“ automatically .................................................................. 24
8.8. Commands for External I/O Control – IN, IO, IM ................................................................................... 25
8.8.1. IN Read the Status of the Input Channels ..................................................................................................... 25
8.8.2. IO Read / Set the Status of the Output Channels .......................................................................................... 25
8.8.3. IM Control of the logic outputs by the host application .................................................................................. 25
8.9. Setpoint Output Commands – Sn, Hn, An ............................................................................................. 26
8.9.1. S n Setpoint Value ......................................................................................................................................... 26
8.9.2. H n Setpoint Hysteresis and Switching Action ................................................................................................ 26
8.9.3. A n Allocation of Gros or Net Value ................................................................................................................ 26
8.10. Communication Setup Commands – AD, BR, DX, TD, OP, CL ......................................................... 27
8.10.1. AD Device Address ........................................................................................................................................ 27
8.10.2. BR Baud Rate ................................................................................................................................................ 27
8.10.3. DX Half-duplex or Full-duplex ........................................................................................................................ 27
8.10.4. TD Transmission Delay .................................................................................................................................. 27
8.10.5. OP Open Device ............................................................................................................................................ 27
8.10.6. CL Close Device Address n ........................................................................................................................... 27
8.11. Save Calibration and Setup Data Commands – CS, WP, SS, GI, PI ................................................ 28
8.11.1. WP Save the Setup Parameters .................................................................................................................... 28
8.11.2. SS Save Setpoint Parameters ........................................................................................................................ 28
8.11.3. GI Save an Image File from the EEPROM .................................................................................................... 28
8.11.4. PI Download an Image File to the EEPROM ................................................................................................. 28
8.12. Trigger Commands – SD, MT, GA, TE, TR, TL, SA ........................................................................... 29
8.12.1. SD Start Delay Time....................................................................................................................................... 29
8.12.2. MT Measuring Time ....................................................................................................................................... 29
8.12.3. GA Get Triggered Average Value .................................................................................................................. 29
8.12.4. TE Trigger Edge ............................................................................................................................................. 29
8.12.5. TR Software Trigger ....................................................................................................................................... 29
8.12.6. TL Trigger Level ............................................................................................................................................. 30
8.12.7. SA Send Triggered Average Value automatically .......................................................................................... 30
8.13. Re-Trigger Commands – RW, TT, TS, DT, TW, TI, HT ..................................................................... 31
8.13.1. RW Trigger Window for Re-Trigger Function ................................................................................................. 31
8.13.2. TT Averaging Time for Re-trigger Function .................................................................................................... 31
8.13.3. TS Stop Value for Re-trigger Function ........................................................................................................... 31
8.13.4. DT Short-time Averaging Period .................................................................................................................... 31
8.13.5. TW Window for Automatic Taring ................................................................................................................... 31
8.13.6. TI Averaging Time for Automatic Taring ........................................................................................................ 32
8.13.7. HT Hold time for Violation of Setpoint Limit .................................................................................................... 32
9. Use in “Approved” Applications ............................................................................................................ 33
10. Updates – Firmware Download .............................................................................................................. 34