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SECTION 1.  SM192/716 STORAGE MODULE OVERVIEW

1-5

1.4.4  MEMORY CONFIGURATION

The Storage Module's memory can be
configured as either Fill and Stop or Ring style
memory.  In the Fill and Stop configuration, the
Storage Module stops accepting data when its
memory is full.  No data write-over occurs.  In
the Ring Memory configuration (the default
setting), new data continue to be stored even
after the memory is full.  New data are written
over the oldest data in the memory.  The
Storage Module's memory configuration can be
changed using SMCOM or with Command 4 in
the CR10 *9 Mode.

1.4.5  BAUD RATES

When storing CR7, CR10, and 21X data, the
Storage Module is set for its default baud rate of
76,800/9600; baud rate matching is automatic
and requires no user intervention.  Data transfer
takes place at 9600 baud.

With other devices, the baud rates of the device
and the Storage Module must be matched by
the user.  Storage Module choices are:  300,
1200, 9600, 76,800, and 76,800/9600 (Section
4.1).  With the CR21, the SM must be set to 300
baud.  When using the Telecommunications
Commands, sending several carriage returns
will cause the Storage Module to match the
computer's baud rate (300, 1200, or 9600
baud).

1.4.6  FILE MARK

File Marks are used to separate data in the
Storage Module.  A File Mark is automatically
placed in the SM's memory when the SM is
connected to a power source (datalogger or
retrieval interface) or when the datalogger
compiles a program containing Instruction 96.
For example, if the user has retrieved data from
one datalogger, disconnects the SM and then
connects it to a second datalogger, a File Mark
is placed in the data when the second
datalogger is connected.  This mark follows the
data from the first datalogger and precedes the
data from the second.

A File Mark can be placed in the data from
SMCOM or the CR10 *9 Mode Command 3.
The Storage Module will not store back to back
file marks; if a File Mark is the last thing stored
in memory, a second file mark will not be
stored.

1.5  QUICK START-UP PROCEDURE

This Section describes the basics of storing and
retrieving of datalogger data.  These operations
are discussed in detail in Sections 3, 4, and 5 of
this manual.

1.5.1  PREPARATION

Before putting the Storage Module into service,
connect it to a computer and use SMCOM to
reset the SM and test its battery.

If it is not possible to use a PC compatible
computer and SMCOM, the user must establish
communication between the SM, the available
computer, or terminal (Section 5) and reset the
SM using the Telecommunications Commands
(Appendix D) or use the *9 Mode in the CR10
(Appendix A).

1.5.2  PROGRAM THE DATALOGGER TO SEND

DATA TO THE SM

Instruction 96 is used in the datalogger program
to send data to the Storage Module.  The SM is
connected to the datalogger with the SC12
cable.  Each time Instruction 96 is executed,
Final Storage data accumulated since the last
transfer are sent to the Storage Module.

For the CR7 and 21X WITHOUT Instruction 96
the *4 Mode is used to enable output to a
printer.  The CR21 automatically outputs printer
data at 300 baud each time data is sent to Final
Storage.

The DSP4 outputs printer data when the printer
function is enabled.

1.5.3  MANUAL DUMP

The *8 Mode in the CR10 or the *9 Mode in the
21X and CR7 can be used to transfer data to
the SM under keyboard control.  All of the
above options are discussed in greater detail in
Section 4.

1.5.4  DATA RETRIEVAL

The simplest method of retrieving data from the
Storage Module is to use SMCOM.  SMCOM is
contained in Campbell Scientific's PC208
software.  It is written for IBM PC/XT/AT/PS-2's
and compatibles.  If the user has another type
of computer, the SM telecommunications
commands can be used to retrieve the data.
Data retrieval (including interface devices) is
discussed in Section 5.

Содержание SM192

Страница 1: ...SM192 716 STORAGE MODULE INSTRUCTION MANUAL REVISION 6 14 93 COPYRIGHT c 1989 1993 CAMPBELL SCIENTIFIC INC...

Страница 2: ...rchantability or fitness for a particular purpose CAMPBELL SCIENTIFIC INC is not liable for special indirect incidental or consequential damages Products may not be returned without prior authorizatio...

Страница 3: ...FROM CR10 21X AND CR7 2 1 2 1 Instruction 96 Output Data Under Program Control 2 1 2 1 1 Multiple Storage Modules with CR10 2 2 2 1 2 Use of Two Storage Modules with 21X or CR7 2 3 2 2 8 and 9 Mode K...

Страница 4: ...nd Retrieve Datalogger Programs 6 1 LIST OF TABLES 6 1 1 D Mode Keyboard Commands for the CR10 and 21X 6 1 A 1 9 Commands for Storage Module A 1 LIST OF FIGURES 1 2 1 Storage Module and SC12 Cable 1 2...

Страница 5: ...ers released after February 1989 and CR7 dataloggers released after August 1991 contain the OSX and OS7 Series PROMS which support two major SM functions that earlier versions do not 1 The D storage a...

Страница 6: ...the datalogger or from data retrieval interfaces such as the SC532 9 pin Peripheral to RS232 Interface the SM232A Storage Module RS232 Interface or the PC201 Clock SIO Tape Read Card Pin 1 of the 9 p...

Страница 7: ...connected and sends the backlogged data the next time it executes Instruction 96 The SM can store data either under program control Instruction 96 or under user control 8 Mode with CR10 9 Mode with 2...

Страница 8: ...SECTION 1 SM192 716 STORAGE MODULE OVERVIEW 1 4 Figure 1 4 1 Operation with Current CR10 21X and CR7 Figure 1 4 2 Printer Enable Operations Figure 1 4 3 Telecommunications Command State...

Страница 9: ...in the data from SMCOM or the CR10 9 Mode Command 3 The Storage Module will not store back to back file marks if a File Mark is the last thing stored in memory a second file mark will not be stored 1...

Страница 10: ...a to Storage Module When output to the Storage Module is enabled with Instruction 96 the Storage Module s may either be left on site and periodically exchanged or brought to the site to milk the data...

Страница 11: ...this manual respectively The default Storage Module address on reset as sent from the factory is 1 This will be sufficient for most users At a given time only one Storage Module will execute commands...

Страница 12: ...og voltage measurements Two options are available for data retrieval with this instruction 1 Data are stored in datalogger Input Storage Locations or 2 Raw data are sent out the datalogger serial port...

Страница 13: ...t When in this setting the SM can automatically change from capturing data at 76 800 baud to capturing data at 9600 baud This feature allows the use of two different baud rates in a single program The...

Страница 14: ...to the Storage Module automatically when it is properly configured and connected to the CR21 Use SCOM to set the Storage Module baud rate to 300 to collect CR21 data The Encode Decode switch should be...

Страница 15: ...3H command is used only during testing The Dump Pointer is an internal Storage Module pointer used for keeping track of the current start of dump for Storage Module to Storage Module data dumps and fo...

Страница 16: ...6 800 baud Bytes from the Storage Module input buffer are permanently stored in byte pairs The Campbell Scientific Inc dataloggers Final Storage Format data are always grouped in pairs Printable ASCII...

Страница 17: ...Campbell Scientific Inc s SC12 9 pin ribbon cable links the Storage Module to the SC532 Figure 5 1 1 The SC532 requires 12 VDC nominal which is usually furnished by plugging the AC DC adaptor unit in...

Страница 18: ...SECTION 5 DATA RETRIEVAL 5 2 5 1 1 Storage Module Connected With SC532 5 1 2 Storage Module Connected to PC201 Card 5 1 3 Communication Via the CR10 5 1 4 Storage Module Connected With SM232A...

Страница 19: ...1 c Execute SMCOM PC208 manual 5 3 2 NON IBM COMPATIBLES The following instructions apply to a configuration using a terminal emulator program and the SM232A It is assumed for this example that the t...

Страница 20: ...n data retrieval program 5 3 3 CR10 TELECOMMUNICATIONS INTERFACE Make the connections Figure 5 1 3 and establish communications with the CR10 Send the command XM CR to the CR10 where X is the Storage...

Страница 21: ...Display Description D 13 00 Enter D Mode 7XA 7X 00 Address Storage Module X 1YA Store Program in SM as Y Y 1 8 2YA Load Program Y from SM 3YA Erase Program Y from SM 13 0000 command completed The pro...

Страница 22: ...1 minute with the SM192 or 4 minutes with the SM716 the number of good RAM chips will be displayed 01 06 6 RAM chips in SM192 01 22 22 RAM chips in SM716 Most commands have at least one response Adva...

Страница 23: ...y location pointer to SRP 9 Oldest data to SRP 1 5 will loop within file boundaries 0 7 9 allows display to cross boundaries If no file is found the display returns 07 00 At this point another file ca...

Страница 24: ...A 3 COMMAND DISPLAY DESCRIPTION 9 DISPLAY ADDRESSES OF CONNECTED SM S XXXXXXXX 1 occupied 0 unoccupied 87654321 Addresses 8 1 from left to right 10 CHANGE ADDRESS 10 0X X is current address enter yA...

Страница 25: ...B 1 APPENDIX B SAMPLE FLOW DIAGRAM FOR DATA RETRIEVAL PROGRAM...

Страница 26: ...EVICES The Printer Enable Method Section 4 is used for non datalogger SM applications The PE line must be low when power is applied or removed If a switch is used to enable data storage the switch mus...

Страница 27: ...DC and Pin 7 CLK HS is low 0 VDC the processor is set to receive data asynchronously on Pin 9 TD When the PE line is dropped data remaining in the input buffer are stored and the location pointers are...

Страница 28: ...stored number of good Memory chips number of Errors logged max 255 number of Available storage locations number of locations Full Storage Reference Pointer Display Location Pointer and Checksum sum of...

Страница 29: ...P is advanced to the beginning of the next file The DLP is advanced as the SM reads through the data until a File Mark or the Storage Reference Pointer is encountered For long files the delay involved...

Страница 30: ...ch When used with a CR10 or 21X this switch can be set to 1 8 The address has no effect when used with other Campbell Scientific Inc dataloggers Following reset the SM address defaults to 1 b is the B...

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