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OWNER'S MANUAL ________________ MODEL V79 PDI-1 AND V80 PDI-2 SWITCH INPUT AND OPTICALLY ISOLATED INPUT MODULES BayTech Publication #U140E105.
Thank you for selecting a BayTech Model V79 PDI-1 Switch Input Module or Model V80 PDI-2 Optically Isolated Input Module. The data provided in this Owner's Manual explains the various ways you can operate the V79 PDI-1 or V80 PDI-2, and how to configure your unit.
TABLE OF CONTENTS 1 GENERAL ............................................................................................................................................................................................ 1 1.1 V79 PDI-1 MODULE ...........
5 CONFIGURATION ........................................................................................................................................................................... 19 5.1 M ENU-DRIVEN CONFIGURATION .............................
1 1 GENERAL BayTech's PDI modules are designed for use with the M16 and M8 (DAC) Data Acquisition Controllers. Both modules are used to detect events where an event is defined as a change-in-state of an input and return to the original state.
2 1.1 V79 PDI-1 MODULE The main features of the V79 PDI-1 module are sixteen microprocessor-controlled input channels that can be connected with individual ground returns, or a common single-point ground. The input channels provide a flexible, reliable method to detect and report the change-in-state of a circuit.
3 These optically isolated inputs provide an efficient means for the monitoring of external process and control functions. All functions provided by the board are programmable through a series of detailed configuration menus. Additional functionality is made available through the use of BayTech or user provided application software.
4 2.2 V80 PDI-2 OPTICALLY ISOLATED INPUT MODULE MODULE TYPE PDI-2A PD I-2B NUMBER OF INPUTS : 16 16 INPUT VOLTAGE RANGE: 5-24 100-130 AC/DC MAXIMUM INPUT CURRENT: 50ma 20ma MINIMUM TURN ON CURRENT: 8m.
5 3 INSTALLATION The PDI-1 and PDI-2 are installed in the M Series chassis as described in Section 3.5 of the base unit operator's manual. NOTE: The PDI-1 or PDI-2 cannot be installed as Module 1.
6 3.2 PDI-2 AC INPUT SETUP The PDI-2 module has two banks of dip switches which are used to add ripple filtering for AC inputs. AC input is selected by individual channel.
7 4 OPERATION This section discusses the general PDI operation ( Section 4.1 ), user-programmable features ( Section 4.2 ), data commands ( Section 4.3 ), event sample reporting ( Section 4.4 ), and presentation ( Section 4.5 ). 4.1 GENERAL The V79 PDI-1 and V80 PDI-2 modules are used in applications requiring notification of device status (e.
8 4.2 USER-PROGRAMMABLE FEATURES You may program the Sampling Setup , Reporting Setup , and Dynamic Configuration on the PDI which are discussed in Section 4.2.1 through Section 4.2.3 respectively. 4.2.1 SAMPLING SETUP Sampling Setup allows you to program the Debounce Delay and Latch Polarity for the input channels.
9 4.2.2.2 REPORT START TIME Report Start Time is the time reporting begins when Schedule Reporting Method is selected. The start of reporting may be delayed up to 24 hours from the current time recorded by the M Series time-of-day clock and reporting will occur in cyclic periods as determined by the Report Interval.
10 4.2.2.6 TE RMINATING CHARACTER(S) The Terminating Character(s) is added at the end of an event sample to match the requirements of the host terminal or application software. The Terminating Character(s) consists of one or two hexadecimal characters.
11 2. Once the PDI is selected, it will go into Command Mode and allow you to send data commands. The PDI data commands begin with two capital letters designating the specific command and are terminated with a Carriage Return . Most data commands also require a number between the command letters and Carriage Return .
12 4.3.1 CLEAR EVENT BUFFER COMMAND The Clear Event Buffer (CB) command is used to clear all stored event samples from the buffer of the selected channel(s). The Clear Event Buffer command has the following format: CB n<cr> where c = Channel# (1 to 16 or 0 for all).
13 4.3.4 REPORT ALL BUFFERED EVENTS COMMAND The Report All Buffered Events (RA) command instructs the PDI to report all event samples currently stored in the buffer of the selected channel(s). The Report All Buffered Events command has the following format: RA n<cr> where c = Channel# (1 to 16 or 0 for all).
14 4.3.7 REPORT EVENT LATCH DATA COMMAND The Report Event Latch Data (RL) command instructs the PDI to report the active state of the initial event and the time the initial event occurred (if time tagging is enabled). This command does not reset the latch buffer.
15 4.3.10 REPORT A SINGLE BUFFERED EVENT COMMAND The Report A Single Buffered Event (RS) command instructs the PDI to report the first event sample stored in the buffer of the selected channel(s). The Report A Single Buffer Sample command has the following format: RS c <cr> where c = Channel# (1 to 16 or 0 for all).
16 The PDI module can observe, record, and report when an event happened, how long the event lasted, and how many events occurred for each individual channel. The initial occurrence of an event will set the event latch bit and store the associated time in the latch buffer .
17 4.5 EVENT SAMPLE PRESENTATION Event Sample presentation varies slightly in format depending on module configuration. Entries such as, time tag, data format, number of active channels, etc.
18 The following examples show the messages received using data commands where the PDI is installed in Unit 1 Module 15 with time tagging enabled. If you select the module and issue the RD1<cr> .
19 If you issue the RL1<cr> command (Report Event Latch Data for Channel 1), the module will respond with a message showing the state of the input that started the initial event. This will be "1" (closed) for LO to HI Latch Polarity or "0" (open) for HI to LO Latch Polarity if using the PDI-1.
20 For example, if the PDI is installed in a non-cascaded unit as Module 2 and you are using the default port select code ($BT), send $BT2<cr>$CONFIG<cr> to enter into configuration mode. No characters should be typed between $BT2<cr> and $CONFIG<cr>.
21 5.1.1 CONFIGURATION MAIN MENU A PDI-1 module installed as Module X will respond to the receiving of $CONFIG<cr> with an identification block and a menu of the available configuration options similar to the following: Copyright (c) Bay Technical Associates,1993 DAC V79 PDI - 1 Rev.
22 5.1.2 MODULE STATUS By responding to the Enter Selection: message at the end of the Configuration Main Menu (see Section 5.1.1 ) with "1" (Module Status), you may review the current configuration status. The PDI will respond with a menu similar to the following: MODULE STATUS Debounce Delay (Milliseconds).
23 Type the desired debounce delay time followed by <ENTER>. The debounce delay is used to guard against erroneous events. An event will not be valid unless the input channel has remained at a changed state for the debounce duration.
24 If you respond to one of the above selections with 1 to 6, a sub-menu will be presented for that item. After making any necessary changes under sub-menus 1 to 6, you be returned to the Reporting Setup menu. The "Exit" selection will return you to the Configuration Main Menu.
25 When Schedule Reporting Method is selected, the PDI will begin reporting event samples as events occur at the programmed Report Start Time (see Section 5.1.4.2 ). The Report Start Time is programmable up to 24 hours in advance of the current (time-of-day) clock time.
26 IMPORTANT: The Current Date and Time is not updated during data entry. You must consider any delays from the time you enter the Report Start Time until you exit the Configuration Main Menu. Be sure to set the Report Start Time far enough ahead of the current time to complete all configurations and exit configuration mode.
27 5.1.4.4 HOST ADDRESS By responding to the Enter Selection: message at the end of the Reporting Setup Menu on page 23 with "4" (Host Address), you may program the address of the designated host module. The designated host module is where event samples are sent when using Immediate or Schedule Reporting Method.
28 With time tag enabled, a MM/DD/YY HH/MM/SS entry is appended to all samples, where MM is the month, DD is the day, YY is the year, HH is the hour, MM is the minute, and SS is the second according to the base unit's time-of-day clock.
29 Dynamic configuration mode allows the PDI to be programmed by downloading dynamic (on-the-fly) commands. See Section 5.2 for the procedure to program the PDI via dynamic configuration and a description of the available configuration commands.
30 5.2 DYNAMIC CONFIGURATION PROCEDURE AND COMMANDS PDI-1 or PDI-2 dynamic configuration commands are issued through a host module. Some configuration commands apply to all types of DAC modules, while others apply to specific modules. The PDI will recognize dynamic configuration commands only when Dynamic Configuration is enabled (see Section 5.
31 NOTE: Multiple configuration commands may be sent while the PDI is in command mode. Each command should be terminated with a Carriage Return . 5.2.1 DEBOUNCE DELAY COMMAND The Debounce Delay (DB) command programs the PDI Debounce Delay time (see Section 4.
32 5.3 FRONT PANEL CONFIGURATION The LCD display and associated front panel controls can provide the configuration status of the PDI. All the parameters shown in the LCD status message are fully described in Section 5.
33 APPENDIX A APPENDIX A DATA/CONFIGURATION COMMAND DATA/CONFIGURATION COMMAND SUMMARY SUMMARY The tables below summarize the data and configuration commands supported by the V79 PDI-1 and V80 PDI-2 I/O modules: V79 PDI-1 & V80 PDI-2 COMMAND SUMMARY Command Description CB c <cr> ( c =Ch# 1 to 16, 0=all) Clear Event Buffer.
34 APPENDIX B APPENDIX B EPROM UPGRADE EPROM UPGRADE You will receive one EPROM (chip with label) for each PDI module to be upgraded. The materials you will need to supply are: Phillips -head screwdriver IC DIP extractor or a pair of curved needle -nose pliers 1.
35 APPENDIX C APPENDIX C V79 PDI-1 MECHANICAL LAYOUT V79 PDI-1 MECHANICAL LAYOUT.
36.
37 2.
38 APPENDIX D APPENDIX D V80 PDI-2 MECHANICAL LAYOUT V80 PDI-2 MECHANICAL LAYOUT.
39.
40 3.
41 APPENDIX E APPENDIX E INDEX INDEX A A AC input 2, 6 Active channels 17 Arrow key 32 ASCII 28 B B Baud rate 20 BayTech 1, 2, 1, 3, 19, 20 Buffer 9, 12 -16, 25, 26, 33 C C Cabling 2, 5 Channel 2, 6 -.
42 D D DAC 1, 10, 21, 30, 32 Data commands 1, 7, 8, 10, 11, 24 Data format 8, 17, 22, 23, 33 Date 1, 7, 25, 26 DC -37F 2, 3, 5 Debounce delay 8, 16, 22, 23, 31, 33 Decimal 33 Default 8 -10, 19-21, 30 .
43 G,H G,H Hex 10, 22, 28, 30 Host device 11, 23, 24 Host module 8 -11, 19, 24 -27, 30 Humidity 3, 4 I I IBM 2, 19 Identification block 21 Installation 2, 5 Isolated input 1, 2, 4 J,K,L J,K,L Laserjet.
44 N,O,P N,O,P Non -verbose mode 7 Operation 2, 6, 7 Parameter 29, 30 Parity 19, 20 PDI -1 1, 2, 1 -3, 5, 7 -10, 19, 21, 23, 30, 32, 33 PDI -2 1, 2, 1 -10, 19, 21, 23, 30, 33 Period 22 Port select cod.
45 T T Temperature 3, 4 Term 19, 32 Terminal 2, 10, 19, 20, 28 Terminal emulation program 19 Terminating character 8, 10, 22, 23, 28, 30 Time tag 1, 7 -9, 17, 18, 23, 27, 28, 31, 33 U,V U,V Unit numbe.
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