Allen-Bradley 1770-SB User manual

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User Manual
Data Cartridge
Recorder
(Cat. No.
1770SB)
AllenBradley
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Introduction 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of Manual 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General
Information 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Cartridge 12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Marking Tapes 13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Cartridge Repacking 14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Importance
of V erification 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recorder Hardware 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Description 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Switches 21
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Indictors 21
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Interface 21
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
230 V Fuse Kit 22
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connection to PLC Programmable Controllers 31
. . . . . . . . . . . . . . .
Connection to PLC2 Family and PLC3 Programmable Controller
and Series 7100 CNCs 32
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connection to PLC4 Microtrol Programmable Controllers 33
. . . . . . .
Connection to Series 8200 CNCs 34
. . . . . . . . . . . . . . . . . . . . . . . .
Converting for 230 V AC Operation 35
. . . . . . . . . . . . . . . . . . . . . . .
Operation 41. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General 41. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recording PLC Programs 42
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loading PLC Programs 43
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Verifying PLC Programs 45
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recording PLC2 Family Programs 45
. . . . . . . . . . . . . . . . . . . . . . .
Loading PLC2 Family Programs 46
. . . . . . . . . . . . . . . . . . . . . . . . .
Verifying PLC2 Family Programs 47
. . . . . . . . . . . . . . . . . . . . . . . .
Recording PLC3 Programs 47
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loading PLC3 Programs 410
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Verifying PLC3 Programs 411
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recording PLC4 Microtrol Programs 411
. . . . . . . . . . . . . . . . . . . . . .
Loading PLC4 Microtrol Programs 412
. . . . . . . . . . . . . . . . . . . . . . .
Verifying PLC4 Microtrol Programs 413
. . . . . . . . . . . . . . . . . . . . . . .
Recording Series 7100 CNC Programs 413
. . . . . . . . . . . . . . . . . . . .
Loading Series 7100 CNC Program 414
. . . . . . . . . . . . . . . . . . . . . . .
Verifying Series 7100 CNC Programs 415
. . . . . . . . . . . . . . . . . . . . .
Table of Contents
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Table of Contentsii
Recording Series 8200 CNC Part Programs 415. . . . . . . . . . . . . . . . .
Reading Series 8200 CNC Part Programs 417
. . . . . . . . . . . . . . . . . .
Recording Series 8200 CNC PAL Programs 420
. . . . . . . . . . . . . . . . .
Loading Series 8200 CNC Pal Programs 421
. . . . . . . . . . . . . . . . . . .
Recording Series 8200 CNC Executive Programs 422
. . . . . . . . . . . . .
Loading Series 8200 CNC Executive Programs and PAL
Binary Programs 423
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recording Series 8200 AMP or Diagnostics Utility Programs 424
. . . . .
Load AMP From Cassette to 8200 CNC 424
. . . . . . . . . . . . . . . . . . . .
Load Diagnostics From Cartridge to 8200 CNC 425
. . . . . . . . . . . . . . .
Erasing Series 8200 Programs 426
. . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 51. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General 51. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Head Cleaning 51
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Cleaning 52
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Head
Demagnetizing 52. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Cartridge Storage 52
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 61. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Chapter 1
11
Introduction
The Data Cartridge Recorder User’s Manual describes the installation,
operation, and intended uses of the Allen-Bradley Data Cartridge
Recorder (cat. no. 1770-SB). Familiarity with the Allen-Bradley
processor to be used with the recorder is assumed. If unfamiliar with an
Allen-Bradley processor to be used with the recorder, refer to the
document specified in table 1.A for further information.
Table 1.A
Supporting
Documentation
Processor Publication T ile Publication Number
PLC4 Microtrol PLC4 Microcontrol Programmable Controller
Product Guide
1773800
PLC3 PLC3 Programmable Controller Programming
Manual
1775801
PLC2/30 PLC2/30 Programmable Controller Programming
and Operations Manual
1770806
PLC2/20 PLC2/20 Programmable Controller Programming
and Operations Manual
1772802
MiniPLC2/15 MiniPLC2/15 Programmable Controller
Programming and Operations Manual
1772804
MiniPLC2 MiniPLC2 Programmable Controller
Programming and Operations Manual
1772821
PLC2 PLC2 Programmable Controller User ' s Manual 1772800
PLC PLC Programmable Controller Programming and
Operations Manual and PLC Programmable
Controller Program Panel Interface Module
Operating Instructions
1774800
1774817
Series 7100 CNC Programmable Interface User ' s Guide 71004.2
Series 8200 CNC Programming Manual (2axis Lathe)
Programming Manual (Mill)
Robot User ' s Manual
82005.2.1
82005.2.3
82005.2.4
Scope of Manual
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Introduction
Chapter 1
12
The Data Cartridge Recorder is a portable, light-weight, recording device.
The recorder is used to load user programs into and record the contents of
memories of Allen-Bradley PLC, PLC-2 Family, PLC-3 and PLC-4
Programmable Controllers; and Series 7100 and Series 8200
Computerized Numerical Controllers, and Series 8200 Robot Control.
NOTE: Although programs can be duplicated from one tape to another,
Allen- Bradley does not recommend this practice because there is no
verification of programs when you duplicate the program. If an error
occurs during the duplication, you may not be able to load the tape.
There are several reasons for recording a user program, including:
Providing a dependable back-up to processor memory.
Allowing off-line storage for multiple programs, including diagnostic
programs.
WARNING: Never use diagnostic programs when the
processor is on line. Unintended machine motion may occur
causing possible equipment damage and/or injury to personnel.
Providing a source or valid record when temporary modifications to a
program are required.
Allowing identical programs to be used on several machines.
Series B data cartridge recorders may also transmit and receive programs
in the manual mode. In this mode, all control lines are disabled. Data is
transmitted over a 3-conductor cable.
The manual mode of operation makes the recorder compatible with both
the XL2 and XL3 translator packages.
Refer to publication 6004-800 for use with the XL2 translator package.
Refer to publication 6005-800 for use with the XL3 translator package.
The data cartridge recorder uses the Allen-Bradley Mini Data Cartridge
(cat. no. 1770-XJ). The mini data cartridge is shown in figure 1.1. It is a
2-track magnetic tape storage medium. Each track stores 72K words
(max) (K-1024). Compatible tapes must conform to ANSI X3.48-1977.
General Information
Data Cartridge
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Introduction
Chapter 1
13
The contents of the mini-data cartridge can be protected using the
RECORD tab (Figure 1.1). If the tab is positioned to the right, the tape is
protected. If the tab is positioned to the left, the tape is unprotected and
can be recorded on.
Figure 1.1
Mini
Data Cartridge
RECORD
CAT. NO. 1770XJ
MINI DATA CARTRIDGE
10014
When a program is recorded, you should mark the following information
on the blank data cartridge information label provided with each cartridge.
Tape name
file name
Program identification
Processor identification
Memory size
Data table size
Date
If multiple programs are recorded on one data cartridge, this information
must be supplied for each program. List programs in the order that they
appear on tape and list the track used for each program. It is important
that this information be clearly marked on the data cartridge. Individuals
unfamiliar with the contents of the tape will need this information to use
the programs.
Marking Tapes
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Introduction
Chapter 1
14
Before inserting a data cartridge into the recorder, verify that the power
ON/OFF switch is in the ON position. This ensures that when the
cartridge is inserted, an automatic repacking operation is initiated. The
repacking operation involves a fast forward to the EOT (end of tape)
marker, and a fast reverse to the BOT (beginning of tape) marker. This
operation improves the reliability of program recording and loading. If
the power ON/OFF switch is turned on after the cartridge has been
inserted, the tape will not be repacked.
Verifying that programs are properly transferred between the recorder and
the processor is extremely important. A program which contains errors
due to the data transfer has little value.
Errors in transmission can be caused by many factors, including loose
connections, faulty cables, and electrical noise. If errors are found after
loading a program into the processor memory, you have two options:
The program can be re-loaded
An Industrial Terminal (cat. no. 1770-T1,-T2,-T3,-T4) can be used to
locate and correct the error
If errors are found after recording the contents of the processor memory,
the only practical option is to repeat the record operation.
Another use of the recorder’s verification feature is to check the contents
of an improperly marked tape. If the suggestions of section 1.3 are
followed, this should not be necessary.
Data Cartridge Repacking
Importance of Verification
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Chapter 2
21
Recorder Hardware
This chapter describes the various switches, indicators, connectors, and
labels associated with the Allen–Bradley data cartridge recorder.
There are six switches on the recorder. Figure 2.1 shows the position of
the switches on the recorder front panel. Table 2.A lists switch functions.
Figure 2.1
Data
Cartridge Recorder Front Panel
POWER
10846I
There are ten LED indicators on the recorder. Figure 2.1 shows the
position of these indicators on the recorder front panel. Table 2.B lists
indicator functions.
The data cartridge recorder interfaces with Allen–Bradley products
through a 25–pin RS–232–C connector labeled A–B CONTROLLER
EQUIPMENT. This connector attaches to one end of a Cassette Recorder
Interconnect Cable (cat. no. 1774– TD), or a Digital Cassette Recorder
Cable (cat. no. 1772–TH).
The other end of the cable attaches to the Allen–Bradley product used
with the recorder. Installation with specific products is described in
chapter 3.
General Description
Switches
Indictors
Data Interface
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Recorder Hardware
Chapter 2
22
Table 2.A
Data
Cartridge Recorder Switches
Name Function
POWER ON/OFF T oggle switch. T urns recorder power on or of f.
BAUD RA TE Rotary switch. Selects 300, 600, 1200, 2400, 4800 or 9600 baud
operation.
TRACK SELECT Rotary switch. Selects track 1, track 2, or continuous operation.
READ FROM T APE Momentary action pushbutton switch. Puts the recorder into the READ
mode.
RECORD ON T APE Momentary action pushbutton switch. Puts the recorder into the
WRITE mode.
STOP/REWIND Momentary action pushbutton switch. Used to exit READ or WRITE
mode. When the tape is stopped, the switch initiates a rewind to the
Beginning Of T ape (BOT) mark.
Table 2.B
Data Cartridge Recorder Indicators
Name Indication
POWER Power is applies to the recorder and the toggle switch is in the ON
position.
STOP/REWIND T ape is repacking or rewinding.
BOTH TRACKS USED TRACK SELECT switch is in CONT position and current operation
(READ, WRITE or IDLE) is on track 2.
END OF TRACK T ape has reached the end of track 1 or track 2. Illuminates between
tracks and at the end of track 2 in continuous operation.
DAT A IN Recorder is receiving data.
DAT A ERROR Recorder has failed an attempted operation.
DAT A OUT Recorder is transmitting data.
RECORD ON T APE Recorder is in the WRITE mode.
WRITE INHIBITED Data cartridge is protected. Data can not be recorded.
READ FROM T APE Recorder is in the READ mode.
The data cartridge recorder includes a 230V AC fuse kit for conversion to
230V AC operation. The fuse kit includes:
Instructions for converting to 230V AC operation
A 230V, 0.25A fuse
A 230V AC label
The recorder does not come with a 230V AC power cord. Therefore, the
power cord must be changed for 230V AC operation.
230 V Fuse Kit
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Chapter 3
31
Installation
PLC programmable controllers connect directly to the data cartridge
recorder. Other Allen-Bradley products connect to an Industrial Terminal
System (cat. no. 1770-T1,-T2,-T3,-T4), or a 1770-T12 programmer which
provides the interface with the recorder. This section describes both types
of installation. Table 3.A shows the cables used to connect the recorder to
other Allen-Bradley products.
Table 3.A
Cables
for Connecting the Data Cartridge Recorder to Other AllenBradley Products
Product Connected to
the Data Cartridge
Recorder Cable Cat. No.
PLC Cassette Recorder Interconnect Cable 1774TD
Industrial T erminal
System
Digital Cassette Recorder Cable 1772TH
PLC4 Microtrol Digital Cassette Recorder Cable 1772TH
Digital Cassette
Recorder
Digital Cassette Recorder Cable 1772TH
PLC4 Microtrol Digital Cassette Recorder Cable 1772TH
Series 8200 CND Cassette Recorder Interconnect Cable 8200CS
Use the following procedure to connect the recorder to PLC
programmable controllers (Figure 3.1).
1. Connect the power cable between the recorder and a grounded 115V
AC outlet.
NOTE: If the recorder has been converted to 230V AC operation, use a
230V AC outlet.
2. Connect a Cassette Recorder Interconnect Cable (cat. no. 1774-TD)
between the recorder and the PLC programmable controller.
Connect the end labeled CASSETTE to the connector labeled A-B
CONTROLLER EQUIPMENT on the recorder. Connect the 41-pin
connector to the Program Panel Interface Module (cat. no. 1774-TB,
-TB2) or the On-line Programming Module (cat. no. 1774-TL2).
General
Connection to PLC
Programmable Controllers
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Installation
Chapter 3
32
Figure 3.1
Connection
to a PLC Programmable Controller
POWER
PLC Processor
Program
Panel
Interface
Module
10376
Cassette Recorder Interconnect Cable
(Cat. No. 1774TD)
PLC-2 Family and PLC-3 programmable controllers and series 7100
CNCs require an industrial terminal system connected between the
controller and the recorder. Connect the industrial terminal system to the
controller as described in the Industrial Terminal Systems User’s Manual,
publication 1770-805. Connect the recorder to the industrial terminal
system using the following procedure (Figure 3.2):
Figure 3.2
Connection
to an Industrial T erminal System
POWER
10378
PLC2 Family
Processor or
Series 7100 CNC PLC3 Processor
Channel C
Digital Cassette
Recorder Cable
(Cat. No. 1772TH)
Connection to PLC2 Family and
PLC3 Programmable Controller
and Series 7100 CNCs
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Installation
Chapter 3
33
1. Connect the power cable between the recorder and a grounded 115V
AC outlet.
NOTE: If the recorder has been converted for 230V AC operation, use a
230V AC outlet.
2. Connect a Digital Cassette Recorder Cable (cat. no. 1772-TH)
between the recorder and the industrial terminal system. Connect the
end labeled CASSETTE to the connector labeled A-B
CONTROLLER EQUIPMENT on the recorder. Connect the other
end to the connector labeled CHANNEL C on the industrial terminal
system.
Use the following procedure to connect the recorder to PLC-4 Microtrol
programmable controllers (Figure 3.3).
1. Connect the power cable between the recorder and a grounded 115V
AC outlet.
NOTE: If the recorder has been converted for 230V AC operation, use a
230V AC outlet.
Figure 3.3
Connection
to a PLC4 Microtrol Programmable Controller
POWER
Digital Cassette
Recorder Cable
(Cat. No. 1772TH)
PLC4
Microtrol
PLC4
Microtrol
11296
Connection to PLC4 Microtrol
Programmable Controllers
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Installation
Chapter 3
34
2. Connect the 1770-T12 programmer to the PLC-4 Microtrol
programmable controller as described in the PLC-4 Microtrol
Programmable Controller Product Guide (publication 1773-800).
3. Connect a Digital Cassette Recorder Cable (cat. no. 1772-TH)
between the recorder and the unused connector on the 1770-T12
programmer cable. connect the end labeled CASSETTE to the
connector labeled A-B CONTROLLER EQUIPMENT on the
recorder. Connect the other end to the unused connector on the
1770T12 Programmer cable.
Use the following procedure to connect the recorder to series 8200 CNCs
(Figure 3.4):
Figure 3.4
Connection
to a Series 8200 CNC
POWER
8200 Processor
Communication
Interface
Module
(cat. no.
8000KAC_)
Peripheral
Panel
Data Cartridge
Recorder Internal
Cable (cat. no.
800032KH)
Data Cartridge Recorder External Cable (cat. no. 8000CS) 11295
1. Connect the power cable between the recorder and a grounded 115V
AC outlet.
NOTE: If the recorder has been converted for 230V AC, use a 230V AC
outlet.
2. Connect cable 8000-CS between the recorder and the Series 8200
control. Connect one end of the cable to the recorder connector
labeled A-B CONTROLLER EQUIPMENT.
Connect the other end of the cable to the peripheral panel port labeled
SERIAL 1/TAPE PUNCH if the control is a standard Series 8200 control.
If the control does not have a peripheral panel, connect the cable to Port A
of the communication module. If the control is a Series 8200 robot
version, connect the other end of the cable to the port labeled
CARTRIDGE.
Connection to Series 8200 CNCs
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Installation
Chapter 3
35
3. Set the control’s baud rate of 9600 baud. The baud rate can be
changed by altering the bits of PAL table 161, index 0. Change bits
2,1,0 to a value of 1,1,0. Do not alter the other bits in index 0 as they
control the communications between the control and its peripheral
devices. if the executive tape being used does not have PAL edit
capabilities, you will not be able to change or set the control baud
rate. If you do not have this capability, contact the OEM and request
the change.
Use the following procedure to convert the recorder for 230V AC
operation:
WARNING: Power must be moved from the recorder before
converting for 230V AC operation. Performing the conversion
with power applied to the recorder may cause serious injury to
personnel.
1. Remove the power cord from the recorder and the grounded AC
outlet.
2. Remove the four screws which attach the front panel to the case
(Figure 3.5).
3. Disconnect the ground wire from the bottom of the front panel.
Figure 3.5
Converting
to 230V Operation
POWER
STOP REWIND
BOTH END OF
TRACKS USED TRACK
IN ERROR OUT
DATA
WRITE
INHB
RECORD
ON
TAPE
READ
FROM
TAPE
ON
OFF
DATA CARTRIDGE RECORDER
TRACK
SELECT
BAUD
RATE
12CONT
300
600
1200 2400
4800
9600
CONTROLLER
EQUIPMENT
115V 5060 HZ
3 AMP 5A SB 3 AG
11294
BULLETIN 1770
230 VAC 1/4A SB
50/60 HZ 3AG
When using unit for 230 volt operation,
use the above label.
Screw
Screw
Screw
Screw
Converting for 230 V AC
Operation
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Installation
Chapter 3
36
4. Remove the front panel from the case.
5. Position the switch on the power supply (Figure 3.6) to the position
labeled 230.
6. Reconnect the ground wire and front panel.
7. Replace the fuse with a 0.25A slow blow 3AG fuse (included in the
2130V AC fuse kit).
8. Place the 230V AC label over the existing voltage label (Figure 3.5).
9. Replace the power cord or modify it for 230V AC operation by
replacing the plug.
Figure 3.6
Power
Supply Switch Position
115/230V ac Switch 10859I
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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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Operation
Chapter 4
42
3. After the required data has been entered into the recorder, you can
exit the manual mode by pressing the STOP/REWIND pushbutton.
You must press the STOP/REWIND pushbutton a second time to
rewind.
4. To transmit data from the data cartridge recorder under manual
control, press the READ FROM TAPE pushbutton. The tape
advances and the STOP/REWIND indicator lights. When the tape
stops the STOP/REWIND indicator goes out and the READ FROM
TAPE indicator lights.
5. Press the READ FROM TAPE switch a second time (Receipt of
XON after second time will also start transmission) and third time,
the DATA OUT indicator lights as the data is sent from the recorder.
After the data has been transferred, press the STOP/REWIND
pushbutton to exit the manual mode.
If you press the READ FROM TAPE pushbutton during any read
operation, or the RECORD ON TAPE pushbutton during any record
operation, regardless of how the operation was initiated, the Series B
recorder will enter the manual mode. The only indication of this will
appear at the end of the operation, you will not be able to rewind the data
cartridge. To exit the manual mode, press the STOP/REWIND
pushbutton.
CAUTION: : The equipment discussed in this document is not
designed to operate with a data cartridge recorder in the manual
mode. Therefore, if the recorder enters the manual mode, the
program may not be transmitted correctly. when this occurs, be
sure to verify that the program has been transmitted correctly. If
you are using a Series 8200 CNC, repeat the entire operation.
Use the following procedure to record programs from PLC memory:
1. Install the recorder as described in chapter 3.
2. Set the BAUD RATE switch to 1200 baud. Set the TRACK
SELECT switch to track 1 or track 2.
3. Set the power ON/OFF switch to the ON position.
4. Be sure that the write protect tab on the data cartridge is positioned
to the left, and insert a data cartridge into the recorder.
5. Wait for the recorder to complete the repacking operation.
6. Set the switch on the Cassette Recorder Interconnect Cable (cat. no.
1774-TD) to the VERIFY AND RECORD position (Figure 4.2).
7. Press the RECORD ON TAPE pushbutton.
Recording PLC Programs
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Operation
Chapter 4
43
Figure 4.1
Error
Indicator
10860I
8. Wait for the RECORD ON TAPE indicator to turn on, then off.
9. Press the STOP/REWIND pushbutton.
10.Wait for the tape to completely rewind.
11.Press the READ FROM TAPE pushbutton.
12.Wait for tape motion to stop.
13.If the ERROR indicator (Figure 4.2) on the program panel interface
module or the on-line programming module illuminates, repeat the
record operation.
14.When finished recording, remove the data cartridge and position the
record protect tab to the right.
Use the following procedure to load a recorded program into PLC
memory.
1. Install the recorder as described in chapter 3.
2. Set the BAUD RATE switch to 1200 baud. Select the track
containing the desired program.
3. Set the power ON/OFF switch on the ON position.
4. Insert a data cartridge into the recorder.
Loading PLC Programs
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Operation
Chapter 4
44
Figure 4.2
Error
Indicator
••
••
••
••
••
••
••
••
(a) Cat. No. 1774TB2
Error
Error
(b) Cat. No. 1774TB
Error
(c) Cat. No. 1774TL2
10861I
••
••
••
••
••
••
••
••
5. Wait for the recorder to complete the repacking operation .
6. Verify that the size of the switch-selected data table in the PLC
memory is a least as large as the data table in the recorded program.
7. Verify that the total memory capacity of the PLC programmable
controller is large enough to store the recorded program.
8. Set the mode select keyswitch of the PLC to the PROGRAM LOAD
position.
9. Set the switch on the cassette recorder interconnect cable to the
LOAD position.
10. Press the READ FROM TAPE pushbutton.
11. Wait for the READ FROM TAPE indicator to turn on, then off.
12. Press the STOP/REWIND pushbutton.
13. Set the switch on the cassette recorder interconnect cable to the
VERIFY AND RECORD position.
14. Press the READ FROM TAPE PUSHBUTTON.
15. If the ERROR indicator on the program panel interface module or
the on-line programming module illuminates, either locate and
correct the errors or repeat the load operation.
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