A. PC RS-232 Card Define Baud Rate = 2400 ; Data Bits = 6 ; Parity = None ; Stop Bits = 1 B. Data Bits Define +---+---+---+---+---+---+ |B5 |B4 |B3 |B2 |B1 |B0 | Command +-^-+-^-+-^-+-^-+-^-+-^-+ Data Value -------------^---^ ^---^---^---^--------------- 0 0 1 1 1 1 Start Code 0 0 0 0 0 0 Stop Code 1 0 0 0 0 0 Value Code = 0 1 0 0 0 0 1 Value Code = 1 1 0 0 0 1 0 Value Code = 2 1 0 0 0 1 1 Value Code = 3 1 0 0 1 0 0 Value Code = 4 1 0 0 1 0 1 Value Code = 5 1 0 0 1 1 0 Value Code = 6 1 0 0 1 1 1 Value Code = 7 1 0 1 0 0 0 Value Code = 8 1 0 1 0 0 1 Value Code = 9 1 0 1 0 1 1 Value Code = OL C. Total Data Item Define ( 21 Nibbles ) Item Define Mean 1 Start Code 2 Function 3 Primary Mode 4 Secondary Mode 5 Primary Value Digital 1 6 Primary Value Digital 2 7 Primary Value Digital 3 8 Primary Value Digital 4 9 Primary Value Digital 5 if = 11 the Primary Value = OL 10 Bit3 = Primary Sign( 1 = - ) ; Bit2-Bit0 = Primary Range 11 Secondary Value Digital 1 12 Secondary Value Digital 2 13 Secondary Value Digital 3 14 Secondary Value Digital 4 15 Secondary Value Digital 5 if = 11 the Secondary Value = OL 16 Bit3 = Secondary Sign( 1 = - ) ; Bit2-Bit0 = Secondary Range 17 Bit3 : dBm Set 0 = Normal ; 1 = dBm test Bit2 : A/mA Select 0 = mA ; 1 = A Bit1 : Input Warnning 0 = Right ; 1 = Error Bit0 : Battary State 0 = Right ; 1 = Low 18 Bit3 : 4000/40000 Set 0 = 4000 ; 1 = 40000 Bit2 : Peak Hold Set 0 = Normal ; 1 = Peak Hold test Bit1 : 1/1 ,1/100 Set 0 = 1/1 ; 1 = 1/100 Bit0 : +/- Set 0 = + ; 1 = - 19 Bit3 : Temp C ,Temp F Set 0 = Temp C ; 1 = Temp F Bit2 : Square Wave Output Select 0 = Unused ; 1 = Select Bit1 : Timer Counter Select 0 = Unused ; 1 = Select Bit0 : -- 20 Display Mode 21 Stop Code ***** When dBm test the Item 18 Bit0 and Item 19 = Reference Impedance Counter. +---+---+---+---+---+ *** See Note F. *** |B0 |B3 |B2 |B1 |B0 | Item 18 +-^-+-^-+-^-+-^-+-^-+ Item 19 -----------^ ^---^---^---^----------- - DMM 1 - D. 1.1 Primary Function Set { ============== ITEMS ============== } +----------------------------------------------------------------------------+ | Function | 02 | 03 | 17b1 | 17b0 | 19b3 | 19b2 | 19b1 | Notes | |-------------+----+----+------+------+------+------+------+-----------------| | AC V | -- | 00 | -- | 0 | -- | -- | -- | Item2 = 0 - 1 | |-------------+----+----+------+------+------+------+------+-----------------| | DC V | 01 | 01 | -- | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC+DC V | 01 | 02 | -- | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC mV | 02 | 00 | -- | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | DC mV | 02 | 01 | -- | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC+DC mV | 02 | 02 | -- | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC uA | 03 | 00 | -- | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | DC uA | 03 | 01 | -- | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC+DC uA | 03 | 02 | -- | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC mA | 04 | 00 | 0 | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | DC mA | 04 | 01 | 0 | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC+DC mA | 04 | 02 | 0 | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC A | 04 | 00 | 1 | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | DC A | 04 | 01 | 1 | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC+DC A | 04 | 02 | 1 | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC dBm| -- | 00 | -- | 1 | -- | -- | -- | Item2 = 0 - 4 | |-------------+----+----+------+------+------+------+------+-----------------| | DC dBm| -- | 01 | -- | 1 | -- | -- | -- | Item2 = 0 - 4 | |-------------+----+----+------+------+------+------+------+-----------------| | AC+DC dBm| -- | 02 | -- | 1 | -- | -- | -- | Item2 = 0 - 4 | |-------------+----+----+------+------+------+------+------+-----------------| | TEMP C | 05 | 03 | -- | -- | 0 | 0 | 0 | | |-------------+----+----+------+------+------+------+------+-----------------| | TEMP F | 05 | 03 | -- | -- | 1 | 0 | 0 | | |-------------+----+----+------+------+------+------+------+-----------------| | OHMO | 06 | 04 | -- | -- | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | DIODE | 07 | 05 | -- | -- | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | Cx | 08 | 06 | -- | -- | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | Hz | -- | 08 | -- | -- | -- | -- | -- | Item2 = 0 - 4 | |-------------+----+----+------+------+------+------+------+-----------------| | Pulse Width | -- | 09 | -- | -- | -- | -- | -- | Item2 = 0 - 4 | |-------------+----+----+------+------+------+------+------+-----------------| | Duty Cycle | -- | 0A | -- | -- | -- | -- | -- | Item2 = 0 - 4 | |-------------+----+----+------+------+------+------+------+-----------------| | Hz Counter | 07 | 08 | -- | -- | -- | -- | -- | | +----------------------------------------------------------------------------+ - DMM 2 - 1.2 Primary Function Set { ============== ITEMS ============== } +----------------------------------------------------------------------------+ | Function | 02 | 03 | 17b1 | 17b0 | 19b3 | 19b2 | 19b1 | Notes | |-------------+----+----+------+------+------+------+------+-----------------| | Square Wave | 05 | -- | -- | -- | -- | 1 | 0 | | | Output | | | | | | | | | |-------------+----+----+------+------+------+------+------+-----------------| |Timer Counter| 05 | -- | -- | -- | -- | 0 | 1 | | +----------------------------------------------------------------------------+ 2. Secondary Function Set {=============== ITEMS ===============} +----------------------------------------------------------------------------+ | Function | 02 | 04 | 17b1 | 17b0 | 19b3 | 19b2 | 19b1 | Notes | |-------------+----+----+------+------+------+------+------+-----------------| | AC V | -- | 00 | -- | 0 | -- | -- | -- | Item2 = 0 - 1 | |-------------+----+----+------+------+------+------+------+-----------------| | DC V | 01 | 01 | -- | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC+DC V | 01 | 02 | -- | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC mV | 02 | 00 | -- | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | DC mV | 02 | 01 | -- | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC+DC mV | 02 | 02 | -- | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC uA | 03 | 00 | -- | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | DC uA | 03 | 01 | -- | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC+DC uA | 03 | 02 | -- | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC mA | 04 | 00 | 0 | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | DC mA | 04 | 01 | 0 | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC+DC mA | 04 | 02 | 0 | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC A | 04 | 00 | 1 | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | DC A | 04 | 01 | 1 | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | AC+DC A | 04 | 02 | 1 | 0 | -- | -- | -- | | |-------------+----+----+------+------+------+------+------+-----------------| | TEMP C | 05 | 03 | -- | -- | 0 | 0 | 0 | | |-------------+----+----+------+------+------+------+------+-----------------| | TEMP F | 05 | 03 | -- | -- | 1 | 0 | 0 | | |-------------+----+----+------+------+------+------+------+-----------------| | Frequence | -- | 08 | -- | -- | -- | -- | -- | Item2 = 0 - 4 | +----------------------------------------------------------------------------+ PS. 1. -- = don't care 2. If Item4 != 0,1,2,3,8,B,C the Secondary function mode = unused - DMM 3 - E. The measurement value and unit define Item9 Item8 Item7 Item6 Item5 = Primary measurement value Item15 Item14 Item13 Item12 Item11 = Secondary measurement value Item10 : Bit3=Sign Bit2-Bit0= Range ( Range = Item10 & 0111B ) Primary Item16 : Bit3=Sign Bit2-Bit0= Range ( Range = Item16 & 0111B ) Secondary ( 1 ). The V,mV,uA,mA,A,ohmo,diode,temp,frequence,frequence counter,Pulse Width measurement value always output 5 Digitals Ex.Measurement value: Item9=1 Item8=2 Item7=4 Item6=1 Item5=9 Range => 0 1 2 3 4 5 6 V 1.2419V 12.419V 124.19V 1242.9V mV 12.419mV 124.19mV uA 124.19uA 1241.9uA mA 12.419mA 124.19mA A 1.2419A 12.419A ohmo 124.19ê 1.2419Kê 12.419Kê 124.19Kê 1.2419Mê 12.419Mê 12.419nS diode 1.2419V temp 1241.9 Degree C/ Degree F Hz 12.419Hz 124.19Hz 1.2419KHz 12.419KHz 124.19KHz mS 124.19mS 1241.9mS Hz counter 12.419Hz 124.19Hz 1.2419KHz 12.419KHz 124.19KHz 1.2419MHz 12.419MHz ( 2 ). The Cx measurement value always output 5 Digitals but the LSB must mark. Ex.Measurement value: Item9=1 Item8=2 Item7=4 Item6=1 Item5=9 Range => 0 1 2 3 4 5 6 Cx 1.241nF 12.41nF 124.1nF 1241nF 12.41uF 124.1uF 1241uF ( 3 ). The dBm,Duty cycle measurement value always output 4 Digitals the Digital 5 always output '0' Ex.Measurement value: Item9=0 Item8=0 Item7=4 Item6=1 Item5=9 Range => 0 dBm 04.19dBm Duty cycle 041.9% F. dBm Reference Impedance Item 18 and Item 19 Value Unit Ohmo 0 = 50 10 = 500 1 = 75 11 = 600 2 = 93 12 = 800 3 = 110 13 = 900 4 = 125 14 = 1000 5 = 135 15 = 1200 6 = 150 16 = 4 7 = 200 17 = 8 8 = 250 18 = 16 9 = 300 19 = 32 - DMM 4 - G. RDF File Formats SAMPLE.RDF Muti-Display MultiMeter Record Data Source V1.02B -> Software version ESCORT -> Manufacturer 0 -> Degree Type 0:C 1:F 33.4 -> Temperature Value S000001 -> Serial Number P000001 -> Part Number 05-06-1998 -> Report Date 1 -> Print Report Title Enable flag 0:Disable 1:Enable 1 -> Print Max.Min Value Enable flag 0:Disable 1:Enable 05-06-1998 -> Record Start Date 13:09:09 -> Record Start time 05-06-1998 -> Record End Date 13:09:37 -> Record End time DC -> Primary Mode dBm -> Primary Function 13:09:30 -> Primary Max of Time - -> Primary Max of Sign -:Minus Space:Plus 010.16 -> Primary Max of Value dBm -> Primary Max of Unit 13:08:54 -> Primary Min of Time - -> Primary Min of Sign -:Minus Space:Plus 030.66 -> Primary Min of Value dBm -> Primary Min of Unit DC -> Secondary Mode Voltage -> Secondary Function 13:08:52 -> Secondary Max of Time -> Secondary Max of Sign -:Minus Space:Plus 178.15 -> Secondary Max of Value mV -> Secondary Max of Unit 13:09:30 -> Secondary Min of Time - -> Secondary Min of Sign -:Minus Space:Plus 240.32 -> Secondary Min of Value mV -> Secondary Min of Unit 0 -> Sampling Mode 0: AUTO 1: MANUAL 1 -> Sampling Times 1 ~ 999 Seconds DC dBm -> Primary Function DC Voltage -> Secondary Function 29 -> Records 00001 13:09:09 -013.11 dBm -171.05 mV Recorded 1 00002 13:09:10 -013.11 dBm -171.05 mV Recorded 2 00003 13:09:11 -012.99 dBm -173.47 mV Recorded 3 .. .. .. .. .. .. .. .. .. .. 00027 13:09:35 -010.89 dBm -220.93 mV Recorded 27 00028 13:09:36 -011.32 dBm -210.22 mV Recorded 28 00029 13:09:37 -011.59 dBm -203.82 mV Recorded 29 ^ ^ ^ ^ Counts Time Primary Secondary - DMM 5 -