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4-1
SECTION 4. EXTERNAL STORAGE PERIPHERALS
External data storage devices are used to provide a data transfer medium that the user can
carry from the test site to the lab and to supplement the internal storage capacity of the CR10,
allowing longer periods between visits to the site. The standard data storage peripheral for the
CR10 is the Storage Module (Section 4.5). Output to a printer or related device is also possible
(Section 4.4).
Data output to a peripheral device can take place ON-LINE (automatically, as part of the
CR10's routine operation) or it can be MANUALLY INITIATED. On-line data transfer is
accomplished with Instruction 96 (Section 4.1). Manual initiation is done in the *8 Mode
(Section 4.2).
The CR10 can output data to multiple peripherals. The CR10 activates the peripheral it sends
data to in one of two ways (Section 6.2):
1. A specific pin in the 9-pin connector is dedicated to that peripheral; when that pin goes
high, the peripheral is enabled. This is referred to as "PIN-ENABLED" or simply
"ENABLED".
2. The peripheral is synchronously addressed by the CR10. This is referred to as
"ADDRESSED".
Cassette tape and modems are pin-enabled. Only one cassette recorder and only one
modem/terminal device may be connected to the CR10 at any one time.
The SM192 and SM716 Storage Modules are addressed. The CR10 can tell when the
addressed device is present. The CR10 will not send data meant for the Storage module if the
Storage Module is not present (Section 4.5.2).
The *9 Mode (Section 4.6) allows the user to communicate directly with the Storage Module and
to perform several functions, including review of data, battery test, review of Storage Module
status, etc.
4.1 ON-LINE DATA TRANSFER -
INSTRUCTION 96
All on-line data output to a peripheral device is
accomplished with Instruction 96. (Instruction
96 can also be used to transfer data from one
Final Storage Area to the other, Section 12).
This instruction must be included in the
datalogger program for on-line data transfer to
take place. Instruction 96 should follow the
Output Processing Instructions, but only needs
to be included once in the program tables
unless both Final Storage areas are in use.
The suggested programming sequence is:
1. Set the Output Flag.
2. If both Final Storage Areas are in use or if
you wish to set the Output Array ID, enter
Instruction 80 (Section 10).
3. Enter the appropriate Output Processing
Instructions.
4. Enter Instruction 96 to enable the on-line
transfer of Final Storage data to the
specified device. If outputting to more than
one device, Instruction 96 must be entered
separately for each device.
5. Repeat steps 2 through 4 if you wish to
output data to the other Final Storage Area
and the peripheral.