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Summary of Contents for Addi-Data ADDICOM PA 7400 Series
- Page 1 Technical support: Arsène Klein +49 (0)7223 / 9493-20 Technical description ADDICOM PA 7400 Communication adapter edition 07/1999...
- Page 2 Read carefully this licence before using the standard software. The right for using this software is given to the customer, if he/she agrees to the conditions of this licence. - this software can only be used for configuring ADDI-DATA boards. - copying the software is forbidden (except for archiving/ saving data and for replacing defective data media).
- Page 3 W A R N I N G In case of wrong use and if the board is not used for the purpose it is intended for: people may be the board, PC and the environment injured peripheral may be may be destroyed polluted «««...
- Page 4 This declaration is valid for the following product: ADDICOM PA 7400 Communication adapter It is made by ADDI-DATA GmbH Meß- und Steuerungstechnik Dieselstraße 3 D-77833 Ottersweier in sole responsibility and is valid on the understanding that the product is competently installed, used and maintained, according to the respective security regulations as well as to the manufacturer's instructions regarding its intended use.
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Page 5: Table Of Contents
Table of contents PA 7400 INTENDED PURPOSE OF THE BOARD............1 Limits of use....................2 USER ....................3 Qualification ....................3 Personal protection ..................3 HANDLING THE BOARD ................. 4 TECHNICAL DATA.................. 5 Electromagnetic compatibility ..............5 Physical set-up of the board ..............5 Options ...................... - Page 6 PA 7400 Table of contents Installing the software ................23 6.2.1 Software installation under MS-DOS and Windows 3.11..........23 6.2.2 Software installation under Windows NT / 95 .............. 23 Board configuration with ADDIREG............24 6.3.1 Program description....................24 6.3.2 Registrating a new board..................27 6.3.3 Changing the registration of a board ...............
- Page 7 Table of contents PA 7400 Parallel communication ................46 Interrupt ....................47 Serial port 1 and 2 ....................47 Parallel port ......................47 Single interrupt - Common interrupt ..............47 Analysing the common interrupt ................47 DEVICE DRIVER................... 48 INDEX ......................A...
- Page 8 PA 7400 Table of contents Figures Fig. 3-1: Wrong handling ....................4 Fig. 3-2: Correct handling ....................4 Fig. 5-1: Component scheme of the PA 7400 ..............9 Fig. 5-2: Jumper location and settings at delivery............10 Fig. 5-3: selection of the interrupt lines through jumper J31 ..........12 Fig.
- Page 9 Table of contents PA 7400 Tables Table 1-1: Operating mode according to type of communication........1 Table 5-1: Setting the base address for the serial port 1...........11 Table 5-2: Setting the base address for the serial port 2...........11 Table 5-3: Setting the base address for the parallel port ..........11 Table 5-4: Setting the interrupt lines for the parallel port ...........12 Table 5-5: Receiving data: jumper J1 and J2 ..............13 Table 5-6: 20 mA Current Loop - Transmitting data............13...
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Page 10: Intended Purpose Of The Board
Technical description Chapter 2 PA 7400 INTENDED PURPOSE OF THE BOARD The board PA 7400 provides the personal computer (PC) with a 2-port asynchronous serial interface for the communication with external devices and a 1-port parallel interface for the connection of printers. The board is to be used in a free PC ISA slot. -
Page 11: Limits Of Use
PA 7400 Table of contents Limits of use The use of the board in a PC could change the PC features regarding noise emission and immunity. Increased noise emission or decreased noise immunity could result in the system not being conform anymore. Check the shielding capacity of the PC housing and cable prior to putting the device into operation. -
Page 12: User
Technical description Chapter 2 PA 7400 USER Qualification Only persons trained in electronics are entitled to perform the following tasks: • installation, • putting into operation, • use, • maintenance. Personal protection Consider the country-specific regulations about • the prevention of accidents •... -
Page 13: Handling The Board
PA 7400 Technical description Chapter 3 HANDLING THE BOARD Fig. 3-1: Wrong handling Fig. 3-2: Correct handling... -
Page 14: Technical Data
Technical description Chapter 4 PA 7400 TECHNICAL DATA Electromagnetic compatibility The board has been subjected to EMC tests in an accredited laboratory in accordance with the norms EN50082-2, EN55011, EN55022. The board complies with the limit values set by the norm EN50082-2 as follows: True value Set value ESD ............... -
Page 15: Options
PA 7400 Technical description Chapter 4 Options Option 2U 2 x UART with 16-byte FIFO memory Option 2S Addressing through DIP switches Versions The board PA 7400 is available in 3 versions: PA 7400 VRC: 2-port serial interface with 1 x RS232 without optical isolation 2 x RS422, RS485, 20 mA Current Loop with optical isolation 1 parallel interface PA 7400 VR... - Page 16 Technical description Chapter 4 PA 7400 Serial ports: Modes: Serial port 1: ........... RS232, RS422, RS485 or 20 mA current loop (active, passive) Serial port 2: ........... RS422, RS485 or 20 mA current loop (active, passive) Addressing: ............ COM1, COM2, COM3, COM4 selectable per jumper or with each address through DIP switches...
- Page 17 PA 7400 Technical description Chapter 4 Parallel port Compatibility: ..........TTL- compatible Input at logic "0": ..........max 0.8 V Input at logic "1": ..........min 2.2 V Output at logic "0": ......... max 0.4 V / 6 mA Output at logic "1": ......... min 2.4 V / 6 mA Addressing: .............
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Page 18: Settings
Technical description Chapter 5 PA 7400 SETTINGS Component scheme Fig. 5-1: Component scheme of the PA 7400... -
Page 19: Jumper Settings
PA 7400 Technical description Chapter 5 Jumper settings 5.2.1 Jumper location and settings at delivery Fig. 5-2: Jumper location and settings at delivery 5.2.2 Jumper settings and functions IMPORTANT! The instructions about addresses, bits, jumpers and pins refer to serial port 1 and 2. -
Page 20: Base Address For The Serial Ports 1 And 2
Technical description Chapter 5 PA 7400 Base address for the serial ports 1 and 2 You can also set the base address through the block of DIP switches. See chapter 5.3: Base address Table 5-1: Setting the base address for the serial port 1 Description Address Corresponding... -
Page 21: Interrupt Lines - Single Interrupt
PA 7400 Technical description Chapter 5 Interrupt lines - Single interrupt Fig. 5-3: selection of the interrupt lines through jumper J31 Jumper 8 is not set. Table 5-4: Setting the interrupt lines for the parallel port Description Jumper settings Settings at delivery IRQ 7 IRQ5... -
Page 22: Receiving Data
Technical description Chapter 5 PA 7400 Receiving data Table 5-5: Receiving data: jumper J1 and J2 Mode Jumper settings Description Delivery RS232 Serial port 1 RS422/RS485 J1: Serial port 1 J2: Serial port 2 20 mA Preparation for receiving data: Current Loop Current does not flow in rest state J1: Serial port 1... -
Page 23: Controlling The Transmitter
PA 7400 Technical description Chapter 5 Controlling the transmitter Table 5-7: Transmission control: J21(10) and J39(40) Mode Jumper settings Description Delivery RS422 Transmission is permanently enabled Transmitter can be controlled by bit DTRA(B) Control with bit RTSA(B). Bit D1 of the Modem Control Register A(B) J39(40): No function RTSA(B) = 0 Transmitter disabled... -
Page 24: Controlling The Receiver
Technical description Chapter 5 PA 7400 Controlling the receiver Table 5-8: Reception control: Jumper J16(7) Mode Jumper settings Delivery Description Control with bits RTSA(B), DTRA(B) or DATA-DIR-1(2) See settings of J16(7): Fig. 8-9: Enabling the receiver RS485 Control with bit RD-EN-1(2) Bit D1(3) of Address Base-S1 +7 Receiver is permanently enabled. -
Page 25: Setting The Current Source For 20 Ma Current Loop
PA 7400 Technical description Chapter 5 Setting the current source for 20 mA Current Loop Table 5-11: Current source - Jumper J22(3) and J23(4) Current source Jumper settings Description Delivery Active transmission The board supplies the transmission loop with current Transmitted current source Passive transmission... -
Page 26: Derivation Of Interference Potential
Technical description Chapter 5 PA 7400 Derivation of interference potential Table 5-13: Derivation of interference potential - J9 Mode Settings Delivery Output port Reading the external data... -
Page 27: Base Address
PA 7400 Technical description Chapter 5 Base address WARNING! If the base address set is wrong, the board and/or the PC may be destroyed. Before installing the board Check, that - the base address is free - the address range required by the board is not already used by the PC or by boards already installed in the PC. -
Page 28: Fig. 5-5: Block Of Dip Switches Dip2
Technical description Chapter 5 PA 7400 See the tables 5-14 and 5-15: Decoding examples for the serial ports Table 5-14: Setting the base address for the serial port 1 (DIP2- 0390H) Fig. 5-5: Block of DIP switches DIP2 Table 5-15: Setting the base address for the serial port 2 (DIP1- 0300H) Fig. -
Page 29: Installation
You will find additional information to these different steps in the sections 6.1 to 6.5. IMPORTANT! You have installed already one or more ADDI-DATA boards in your computer, and you wish to install an additional board? Proceed as if you wished to install one single board. -
Page 30: Inserting The Board
Technical description Chapter 6 PA 7400 Inserting the board IMPORTANT! Do observe the safety instructions. 6.1.1 Opening the PC • Switch off your PC and all the units connected to the PC. • Pull the PC mains plug from the socket. •... -
Page 31: Plugging The Board Into The Slot
PA 7400 Technical description Chapter 6 6.1.3 Plugging the board into the slot • Discharge yourself from electrostatic charges • Insert the board vertically into the chosen slot. Fig. 6-3: Inserting the board Fig. 6-4: Securing the board at the back cover •... -
Page 32: Installing The Software
Installing the software The CD contains: - ADDIREG for Windows NT 4.0 and Windows 95, - Standard software for the ADDI-DATA boards: - 16-bit for MS-DOS and Windows 3.11 - 32-bit for Windows NT/95. 6.2.1 Software installation under MS-DOS and Windows 3.11 - Copy the contents of PA7400\16bit on a diskette. -
Page 33: Board Configuration With Addireg
ADDI-DATA PC boards. 6.3.1 Program description IMPORTANT! Insert the ADDI-DATA boards to be registrated before starting the ADDIREG program. If the board is not inserted, the user cannot test the registration. Once the program is called up, the following dialog box appears. - Page 34 Technical description Chapter 6 PA 7400 More information: Additional information like the identifier string (e.g.: PCI1500-50) or the installed COM interfaces. Text boxes: Under the table you will find 6 text boxes in which you can change the parameters of the board. Base address name: When the board operates with several base addresses (One for port 1, one for port 2, etc.) you can select which base address is to be changed.
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Page 35: Fig. 6-6: Configuring A New Board
PA 7400 Technical description Chapter 6 Fig. 6-6: Configuring a new board All boards you can registrate are listed on the left. Select the wished board. (The corresponding line is highlighted). On the right you can read technical information about the board(s). Activate with „OK“;... -
Page 36: Registrating A New Board
Technical description Chapter 6 PA 7400 6.3.2 Registrating a new board IMPORTANT! To registrate a new board, you must have administrator rights. Only an administrator is allowed to registrate a new board or change a registration. • Call up the ADDIREG program. The figure 6-5 is displayed on the screen. Click on „Insert“. -
Page 37: Removing The Addireg Program
Proceed as indicated on the screen until the complete removing of ADDIREG. Error analysis per Internet Do not hesitate to visit us or e-mail your questions. Our Internet page is accessed: - per e-mail: info@addi-data.de - per Internet : http://www.addi-data.de. http://www.addi-data.com Free downloads of standard software You can download the latest version of the device driver for the board PA 7400. -
Page 38: Connection To The Peripheral
Technical description Chapter 7 PA 7400 CONNECTION TO THE PERIPHERAL Connector pin assignments Fig. 7-1: 25-pin SUB-D male connector for the serial port 1 Table 7-1: Pin assignment for the serial port 1... -
Page 39: Fig. 7-2: 9-Pin Sub-D Male Connector For The Serial Port 2
PA 7400 Technical description Chapter 7 Fig. 7-2: 9-pin SUB-D male connector for the serial port 2 Table 7-2: Pin assignment for the serial port 2 Fig. 7-3: 26-pin male connector for the parallel port... -
Page 40: Functions Of The Board
Technical description Chapter 8 PA 7400 FUNCTIONS OF THE BOARD Block diagram Fig. 8-1: Bloc diagram of the board PA 7400... -
Page 41: I/O Mapping
PA 7400 Technical description Chapter 8 I/O mapping Board PA 7400 requires an address range of 20 bytes within the I/O address space of the PC. They are allocated as follows: • 8 bytes for serial port 1 • 8 bytes for serial port 2 •... -
Page 42: I/O Map - Serial Port 2
Technical description Chapter 8 PA 7400 8.2.2 I/O map - serial port 2 Table 8-2: I/O map - Serial port 2 I/O Read I/O Write Base-S2 +0 RECEIVER HOLDING REGISTER TRANSMIT HOLDING REGISTER B Base-S2 +1 INTERRUPT ENABLE REGISTER B Base-S2 +2 INTERRUPT IDENTIFICATION REGISTER B... -
Page 43: Serial Communication: Serial Ports 1 And 2
PA 7400 Technical description Chapter 8 Serial communication: serial ports 1 and 2 You can control the communication on serial ports 1 and 2 as follows: • either through commands of the operating system • or by programming directly the component DUART 16C452 (option U: DUART 16C552). -
Page 44: Rs422
Technical description Chapter 8 PA 7400 Fig. 8-3: Operation with modem control signals 8.3.2 RS422 WARNING! If jumper J11(6) has a wrong setting the board may be destroyed. The receiving component for RS 422 is simultaneously the receiving and transmitting component for RS 485. •... -
Page 45: Controlling The Rs 422 Receiver
PA 7400 Technical description Chapter 8 Fig. 8-4: Enabling the RS 422 transmitter • Make sure that the values of data bits D1-D7 are not overwritten when writing in the MODEM CONTROL REGISTER A(B) on Base-S1(2) +4. Controlling the RS 422 receiver You control the RS 422 receiving component with bit RD-EN-1(2). -
Page 46: Rs 422 Cabling - Serial Port 1
Technical description Chapter 8 PA 7400 Fig. 8-5: Inserting a terminator and inverting the open-circuit potential RS 422 cabling - serial port 1 Fig. 8-6: RS 422 cabling for serial port 1 • If the communication software controls the modem control signals, è... -
Page 47: Rs485
PA 7400 Technical description Chapter 8 Fig. 8-7: RS 422 cabling for serial port 2 8.3.3 RS485 Controlling the RS 485 transmitter Refer to Chapter 5.2 Jumper settings and functions Fig. 8-8: Enabling the automatic transmitter with the signals DTRA(B), RTSA(B) or DATA-DIR-1(2) through jumper J11(6) •... -
Page 48: Controlling The Rs 485 Receiver
Technical description Chapter 8 PA 7400 Controlling the RS 485 receiver • You control the receiver through jumper J16(7). J16(7) Control with bit RTSA(B), DTRA(B) or DATA-DIR-1(2). in pos. A With jumper J16(7) you enable alternately the transmitter and the receiver. It means that: - if you enable the transmitter, the receiver is disabled - if you disable the transmitter, the receiver is disabled. -
Page 49: Rs 485 Cabling - Serial Port 1
PA 7400 Technical description Chapter 8 • Invert the open-circuit potential of the receive lines RxA+(RxB+) and RxA- (RxB-). Set the jumpers as follows: J19(14) in pos. A J20(15) in pos. B Fig. 8-10: Inserting a terminator and inverting the open-circuit potential RS 485 cabling - serial port 1 Fig. -
Page 50: Current Loop
Technical description Chapter 8 PA 7400 Fig. 8-12: RS 485 cabling for serial port 2 8.3.4 Current loop You can operate serial ports 1 and 2 like current loop ports. You can receive and send actively as well as passively. There is for each mode, transmission and reception, one 20 mA current loop source. -
Page 51: 20Ma Current Loop Cabling
PA 7400 Technical description Chapter 8 20mA current loop cabling Serial port 1 If the communication software supports the control of the modem control signals. • Connect the modem control signals to the connector as follows. RTSA → CTSA DTRA → DSRA → DCDA → RIA Serial port 2 The modem control signals are connected on the board as follows: RTSB →... -
Page 52: Fig. 8-14: Active Transmission / Passive Reception
Technical description Chapter 8 PA 7400 Fig. 8-14: Active transmission / passive reception... -
Page 53: Fig. 8-15: Passive Transmission / Active Reception
PA 7400 Technical description Chapter 8 Fig. 8-15: Passive transmission / active reception Fig. 8-16: Passive transmission/ passive reception... -
Page 54: Selecting The Reference Point Of The Protection Circuitry
Technical description Chapter 8 PA 7400 8.3.5 Selecting the reference point of the protection circuitry On serial ports 1 and 2 the input and output lines are protected against overvoltage directly behind the peripheral connector through damping diodes. - RS 422, RS 485 and 20mA current loop (optically isolated) - RS 422 and RS 485 The protection circuitry is composed of TRANSIL damping diodes on all lines. -
Page 55: Parallel Communication
PA 7400 Technical description Chapter 8 Parallel communication You can control the communication on the parallel port as follows: • either through commands of the operating system • or by programming directly the component DUART 16C452 (option U: DUART 16C552). The parallel port has the same function as a standard printer interface (CENTRONICS). -
Page 56: Interrupt
Technical description Chapter 8 PA 7400 Interrupt Serial port 1 and 2 • Select for serial port 1 the wished interrupt line through J8 and jumper field J31. Parallel port • Select for the parallel port the wished interrupt line through jumper J29. Single interrupt - Common interrupt You can operate the board PA 7400 either with •... -
Page 57: Device Driver
PA 7400 Technical description Chapter 9 DEVICE DRIVER To install the ports of the PA 7400 please use the standard drivers which are delivered with Windows NT 4.0. You can read additional information about the Windows API functions for the settings and the use of the serial interfaces in: „SERIAL COMMUNICATION in WIN32“... -
Page 58: Index
Index PA 7400 INDEX ADDIREG interrupt 46–47 changing the configuration 28 common interrupt 47 I/O map 47 baud rate see transfer (rate) parallel port 47 port 1 47 board single interrupt 47 inserting 21 plugging 22 limit values 6–8 slot 5 energy requirements 6 cabling load resistance 7... - Page 59 PA 7400 Index potential, open-circuit RS 485 RS 422 36 open-circuit potential 39 RS 485 39 receiver 39 terminator 39 program transmitter 38 DEBUG 18 RS 485 cabling 40, 41 protection circuitry port 1 40 reference point 45 port 2 41 rate single interrupt 47 transfer 7...
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