Allen-Bradley 1770-SB User Manual

Chapter
4
41
Operation
The data cartridge recorder can be used to record programs at anytime.
However, to provide a backup which contains proper data for startup, it is
advisable to record the program before the process is started (while the
processor is still in the program load mode). This chapter describes the
steps required to operate the recorder with other Allen-Bradley products.
Table 4.A summarizes the baud rate switch settings.
Table 4.A
Baud
Rate Switch Settings
Processor Baud Rate Switch
Position
PLC 1200
PLC2 Family 1200
PLC3 9600
PLC4 Microcontrol 1200
Series 7100 CNC 1200
Series 8200 CNC 9600
NOTE: In most applications the data cartridge recorder is used in the
same manner as the Digital Cassette Recorder (cat. no. 1770-SA).
Manual Mode
Use the data cartridge recorder in the manual mode allows the recorder to
be compatible with the XL2 and XL3 translator packages. In the manual
mode all control lines are disabled. Data is transferred and received
through a 30- conductor cable. XON and XOFF protocol provides data
synchronization.
1. To send data to the data cartridge recorder under manual control,
press the RECORD ON TAPE pushbutton. The tape advances and
the STOP/REWIND indicator lights. When the tape stops, the
STOP/REWIND indicator goes out and the RECORD ON TAPE
indicator lights.
2. Press the RECORD ON TAPE switch a second time. The recorder
will transmit a XON character to indicate it is ready to receive data.
Start the data transmission to the cartridge recorder. If the data
transmission is interrupted the recorder will issue a XOFF character.
When data can again be sent a XON character will be transmitted.
The DATA IN indicator will light whenever data is entering the
recorder.
General
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Allen-Bradley 1770-SB Specifications

General

Brand	Allen-Bradley
Model	1770-SB
Category	Data Loggers
Language	English