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GE Fanuc Automat ion Progr ammable Co ntrol Products IC697VAL348 8-Channel, 16-bit Digital -to-Ana log Converter Board User’ s Manual GF K - 205 9 51 4 - 0004 3 7 - 000 A Decemb er 2001.
GFL-002 Warnings, Cautions, and Notes as Used in this Publication Warni ng Warning noti ces are used i n this publi cation to em phasize that hazardou s volt ages, currents, temperatures, or other conditions that could cause personal injury exist in this equipment or may be associated with its use.
Conte nts GFK-20 59 iii Chapter 1 Introduction, Descr iption, and Spec ifications ......................................... 1-1 Reference Material an d Other GE Fanuc Manuals................................................... 1-1 General Description .
GFK-2 059 1-1 Introdu ction, Descrip tion, and Specifica tions This m anual desc ribes ins tallation an d operation of th e IC697VAL348 8-C hannel, 16- Bit Di gital- to-Analog C onverter (DAC) Board.
1-2 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-2059 – December 2 0 01 1 General Description The primary features of the Digital-to-Analog Converte.
GFK-2059 Chapter 1 I ntroducti on, Desc ription, a nd Spec ificatio ns 1-3 1 Functional Description The Digital-to- Analog Converter Board deli vers ± 10 V out puts with positive t rue offset bin ary inpu t coding or tw o 's compl ement codin g.
1-4 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-2059 – December 2 0 01 1 Safety Summary Warning The following general safety precautions must be observed during all phases of this operation, service, and repair of this product.
GFK-2 059 2-1 Configu ratio n and Insta llation This chapter co ntain s configur ation and installat io n instructio ns for the Digital-to -Analo g Converter Board , and is d ivid e d into the followi.
2-2 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-2059 – December 2 0 01 2 Physical Installa tion Caution Do not install or remo ve boards while pow er is applied.
GFK-20 59 Chapter 2 C onfig uration and I nstalla tion 2-3 2 Configuration This section of the manual describes the Digital-to-An alog Converter Board set-up procedure and jumper conf iguration. The board select base address an d board jum per configuration is factory preset and s hown in Table 2- 1 below.
2-4 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-2059 – December 2 0 01 2 Before Applying Power: Checklist Before installing the bo ard in a VMEbus s ystem go throu gh the following chec klist to verify that the board is ready for the intended operation: 1.
GFK-20 59 Chapter 2 C onfig uration and I nstalla tion 2-5 2 Board Address Selection Switches There are two address select DIP switches on-board th e Digital-to-Analog Converter Board. Each individual s witch co rresp onds to an add ress bit, or is not use d.
2-6 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-2059 – December 2 0 01 2 Figure 2-2: Jum per and Switch Locations on the Digital- to-Analog Convert.
GFK-20 59 Chapter 2 C onfig uration and I nstalla tion 2-7 2 Address Modifier Response Selection The DAC board is memory mapped in the sh ort I/O address space as described in Ch apter 3. The DAC board w ill respond to eit her of the two address modi fie r codes that may be issued to the DAC board by a CPU board durin g a Write or Read cy cle.
2-8 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-2059 – December 2 0 01 2 Digital Code S election The DAC board i s factory configu red for off set binary coding. To chang e the DAC in put coding to two’ s complement binary, remove jumper JA and install jumper JB (see Figure 2-3 below ).
GFK-20 59 Chapter 2 C onfig uration and I nstalla tion 2-9 2 Program Controlled and External Start Convert Mode The PROGRAM CONT RO LLED START CONVERT MODE is enabled by inserting jumper JD. This mode is detailed in “Program C ontrol Update Mode” on page 4- 4 and “Del ayed DAC Update Mode” on page 3- 6.
2-10 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-2059 – December 2 0 01 2 Connector Descriptions Two 96-pin DIN type connectors, P1 and P2, con nect the DAC board to th e VMEbus backplan e.
GFK-20 59 Chapter 2 C onfig uration and I nstalla tion 2-11 2 Figure 2- 4: P2 Con nector – Pi n A ssignm ents PIN 1 PIN 2 PIN 3 PIN 4 PIN 5 PIN 6 PIN 7 PIN 8 PIN 9 PIN 10 PIN 11 PIN 12 PIN 13 PIN 14.
2-12 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-2059 – December 2 0 01 2 Table 2-2: P2 Connector Pin Number Row A Signal Mnemon ic Row B Signal Mn.
GFK-20 59 Chapter 2 C onfig uration and I nstalla tion 2-13 2 Figure 2- 5: P3 Con nector – Pi n A ssignm ents PIN 16 PIN 15 A C* ROW FRONT VIEW OF "P3 " CONNECTOR PIN 14 PIN 13 PIN 12 PIN .
2-14 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-2059 – December 2 0 01 2 Table 2-3: P3 Connector Pin Number Row A Signal Mnemon ic Row B Signal Mn.
GFK-20 59 Chapter 2 C onfig uration and I nstalla tion 2-15 2 DAC Zero Offset and Gain Calib ration Note This procedure assumes that the offset binary coding jum per (JA) is selected. 1. Re move p ower fro m the Di gita l-to -Analo g Co nverte r Boa r d.
2-16 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-2059 – December 2 0 01 2 Figure 2-6: Calibration Adjust men t Locatio ns P1 P2 P3 COMPONENT SIDE R.
GFK-2 059 3-1 Programming This cha p ter co ntains pr ogra mming i ns tructio ns for the Digit al-to- A nalog Co nvert e r Boa rd, and is divided into the follo wing sect io ns: Introduction to Pr.
3-2 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-20 59 – December 20 01 3 Introduction to Programming the Digital-to- Analog Converter Board The Digital-to-Analog Converter Board is memory mapped in the short I/O address space.
GFK-20 59 Chapter 3 Progr amming 3-3 3 Digital-to-Analog Converter Boa rd Programming Options There are two types of registers that must b e written to for prop er operation of the DAC bo ard. One is the CSR, and the other is the DAC. T he order in which t hey are written to may differ dep ending on the method used to start a con version.
3-4 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-20 59 – December 20 01 3 Exampl e: The analog out put for a digit al inpu t of 0A00H would be: 1. 0A00H decim al equ ivalent i s 2560 2. Analog out = - 10 V + ( (2560) __2 0__ ) 65, 536 = -9.
GFK-20 59 Chapter 3 Progr amming 3-5 3 Table 3-5: Progr amming the Contr ol and Status Register for Differ ent Analog Output V ariations – Bit Definitions Analog Output Over TEST BUS 1 (A INTESTBS) .
3-6 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-20 59 – December 20 01 3 Delayed DAC U pdate Mode The DELAYED DAC UPDAT E MODE operation i s described in “Del ayed DAC Update Mode” on page 4- 4.
GFK-20 59 Chapter 3 Progr amming 3-7 3 Test Mode Programming Any of th e eight DAC ou tputs may be select ed to pass to an ADC board over test bus 2 to v erify the DAC outputs. If a MUX is present in the an alog backplane then any DAC output can be selected to g o to that board f or tes t purposes over test bus 1.
3-8 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-20 59 – December 20 01 3 Program Example (Delayed DAC Update Mod e) In the prog ramming ex ample in “ Test Mode Programm ing” on pag e 3-7, all ei ght DAC conv erters were loaded w ith a full scale value of FFFH in the IMMEDIATE UPDATE MODE.
GFK-20 59 Chapter 3 Progr amming 3-9 3 Figure 3- 1: DAC Prog ramming Se quence (Immediat e DADC Start C onvert Mode) POWER - UP (ON - BOARD INITIALIZATION ) LOAD D/A CONTROL REGISTER INITIALIZE D/A AD.
3-10 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-20 59 – December 20 01 3 Table 3-6: An alog Output Contro l in Immediat e DAC Update Mode Analog O.
GFK-20 59 Chapter 3 Progr ammi ng 3-11 3 Figure 3- 2: DAC Prog ramming Se quence (Delayed DAC Update Mode) POWER-UP (O N- BOARD INITIALIZATION) INITIALIZE D/A ADDRESS POINTER L O AD D/A HAVE ALL 8 D/A.
3-12 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-20 59 – December 20 01 3 Table 3-7: Analog Output Control in Delayed DAC Update Mode Analog Out Pa.
GFK-2 059 4-1 Theory o f Opera tion This chapter d iscus ses the operatio n of the Digital-to -Analo g Converter B o ard, and is divid e d into the followin g sectio ns: Operational Overvie w .
4-2 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-20 59 – December 20 01 4 Operational Overview The Digital-to-Analo g Converter B oard performs digital-to-analog con versio n on 16-bit positive true off set bin ary or two’s complement coded w ords, with an analog out put range of - 10 to +10 V.
GFK-20 59 Chapter 4 Theory of Opera tion 4-3 4 Immediate DAC Update Mode The processor unit sends the 16-bit w ord to be converted to the f irst register of the selected DAC.
4-4 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-20 59 – December 20 01 4 Delayed DAC U pdate Mode In the DELAYED DAC UP DATE MODE, the pro cessor sends the 16-bit word to be converted to the first DAC register of the selected DAC.
GFK-20 59 Chapter 4 Theory of Opera tion 4-5 4 Figure 4-1: Digital-to-Analo g Converter Bo ard Functional Block Diagra m PROGRAM CONTROL UPDATE 16-BIT DAC NO. 1 DAC SEL 16-BIT DAC NO. 2 DAC SEL 16-BIT DAC NO. 3 DAC SEL 16-BIT DAC NO. 4 DAC SEL CH 1 CH 2 CH 3 CH 4 OPERATION AND CONTROL LOGIC 16-BIT DAC NO.
4-6 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-20 59 – December 20 01 4 VMEbus Interface Descrip tion The VMEbus interface (Figu re 4-4 on page 4- 9) contains the necessary log ic to interface a DAC board to the VMEbu s.
GFK-20 59 Chapter 4 Theory of Opera tion 4-7 4 Figure 4-2: Test Bus Log ic ADDRESS REGIST ER A01 A02 A03 A04 1 TEST REGISTER CLOCK D/A CHA NNEL SELE CT 3 TE ST MUX DA OUTPUTS 1 TO 8 1 MUX OUT ANALOG T.
4-8 IC697VAL 348 8-C hannel, 16-bi t D igital-to-A nalo g Conve rter Boa rd Use r’ s Man ual GFK-20 59 – December 20 01 4 Figure 4-3: VMEbu s Interface Logic and In terface Signals VMEbus CONNECTI.
GFK-20 59 Chapter 4 Theory of Opera tion 4-9 4 Figure 4- 4: Digi tal-t o-Analog C onverter Board Pow er P1 +5 V GND DIG GND +5 V DC-TO-DC CONVERTER +5 V GND ANA CO -15 V -15 V ANA COM DC-TO-DC CONVERT.
GFK-2 059 5-1 Mainten ance This chapter pr o vides information relative to t he care and maintenance o f the Digital-to -Analo g Convert er Board. If th e product m alfun ctions, verify the foll owing.
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