Rockwell Allen-Bradley 1745 Series User manual

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ALLEN-BRADLEY
A ROCKWELL INTERNATIONAL COMPANY
User's Manual
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IMPORTANT INFORMATION
Solid state equipment has operational characteristics differing
from thoseof electromechanical equipment. Becauseof this, and
also because of the wide variety of uses forsolid state equipment,
all personsresponsible for applying this equipment must satisfy
themselves that each intended applicationof this equipment
is
acceptable.
In no event will Allen-Bradley Companybe responsible or liable
for indirect or consequential damages resulting from the use or
application of this equipment.
The examples and diagrams in this manual are includedsolely for
illustrative purposes. Because of the many variables and
requirements associated with any particular installation, Allen-
Bradley Company cannotassume responsibility or liabilityfor
actual use based onthe examples and diagrams.
No patent liability is assumedby Allen-Bradley Company with
respect to use
of information, circuits, equipment, or software
describedin this manual.
Reproductionof the contentsof this manual, inwhole or in part,
without written permissionof the Allen-Bradley Company is
prohibited.
0 1986 Allen-Bradley Company
WARNING and CAUTION Boxes
WARNINGS indicate that people maybe hurt if
procedures arenot followed properly. CAUTIONS
indicate that machinery maybe damaged or economic
loss canoccur if procedures arenot followedproperly.
Both WARNINGS and CAUTIONS
0 Identify a possible trouble spot
0 Tell what causes the trouble
0 Give the resultof improper action
0 Tell how to avoid trouble
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Page
1-1
Chapter Objectives ................. 2-1
The Equipment
................... 2-1
TCAT
. Features .................. 2-2
Optional RemoteCommunication Kit
..... 2-4
Chapter Objectives
................ 3-1
Keyboard
...................... 3-1
ModeSelection ................... 3-2
Displays
....................... 3-2
Display InstructionSymbols
......... 3-3
Error Codes
..................... 3-4
Operatingthe TCAT ................3-5
Power-Up
....................... 3-5
Power-UpUsingAddress867
........ 3-8
Usingthe NEXTKey
.............. 3- 10
Usingthe CANCELKey
............. 3-11
Usingthe
PRESET. ACCUM. and STEP Keys 3-12
Protected
PR andAC Values .......... 3- 12
UsingtheAddressKey
.............. 3-9
Chapter Objectives
................. 4-1
Displays Review
................... 4-1
RTO and
RTF Timer Characteristics ....... 4-2
CTU andCTD Counter Characteristics .....
4-3
Monitoring aTimer Instruction ......... 4-4
Monitoring a Counter Instruction
........ 4-5
ModifyingaTimer Instruction .......... 4-6
Modifyinga Counter Instruction
........ 4-7
Using ENTER KeytoReset AC ValuetoZero
. 4-8
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Chapter
Title
Page
5
SequencerInstructions
Chapter Objectives
.................
5-1
Monitoring aSequencer Instruction
......
5-3
Modifying
a
Sequencer
Step
...........
5-4
SQO
and
SQI
Sequencer Characteristics
....
5-1
6
MonitoringInputsandOutputs
ChapterObjectives
................
6-1
Address Group Numbers
.............
6-1
TheTCAT Group NumberDisplay
........
6-3
Monitoring Group NumberAddresses
.....
6-4
i/O Monitoring Capabilitiesof theTCAT
...
6-1
7
Specifications
.................
7-1
8
Installation
Chapter Objectives
................
8-1
EquipmentCheckout
...............
8-1
EnclosureConsiderations
.............
8-2
Mounting
......................
8-3
Connectingthe Cable
...............
8-4
Mounting Template
...............
8-5
Cleaning Recommendations
...........
8-6
Appendices
A
-Using FineTime
Base
Contacts
......
A-1
B
-SpecialSequencer Instructions
......
6-1
C-Shift Register instructions
.........
C-1
D
.
EEPROM Memory Module
.........
D-1
E
-Mounting Template
.............
E-1
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The TimerKounterAccess Terminal (TCAT)is
used withthe
SLC 100 Programmable Controller.
It is designed for mounting in a panel cutout,
usually thedoor
of the controller enclosure.
With the
SLC 100 controller in the Runmode, the
TCAT provides access to programmed timer,
counter, and sequencer data. This allows
production, supervisory, and maintenancepeople
to monitor this data “on-line”.
Data can alsobe modified to accomodate
a process
or part change. A keyswitch helps prevent
unauthorized modifications.
This manual points out important features
of the
TCAT, then goes on to discuss operating detailsas
they apply to timerlcountertsequencer data, and
the monitoring
of I/O addresses.
You don’tneed a detailedknowledge
of
programming to use theTCAT.
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~~~~~~~ This chapter introducesyou to the TimerICounter
equipment it
is used with. Important features are
pointed out.
~~~~~~w@~ Access Terminal (we'll call itTCAT) and the
Interconnect ca
Components of the system are illustratedbelow.
ii;:
*I _,
KAT unit. Mounts
in a panel cutout.
-
lble (detachable).
Optional remotecommunication kit.
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TCA T - features Thefollowing features are pointed out in the
illustration on Page 2-3. Programming termi-
nology
is explained in more detail in Chapter 3.
Installation information appears in Chapter
8.
1. Keyswitch. You must use the keyto operate
the TCAT in themodify mode. This helps
prevent unauthorized programmodifications.
Keyswitch cover protects keyslot.
2. Keys and keyring. For your convenience,
errorcodes are printed on the keyringID tag.
3. Keyboard. Used to access and enter data and
addresses. Keys have positive, tactile
feedback.
4.Address display. 3-character digital display
shows addresses and other information.
5. Data display. 4-character digital display
shows PR andAC values, and other
information.
6. Instruction indicators. TME (green) indicates
anRTO or RTF timer. CNT (green) indicates
a
CTU or CTD counter. SEQ (green) indicates
an
SQOor SQI sequencer.
7. Protect (PROT)status indicator. This red
indicator is litif the monitored instruction or
sequencer step
is protected in the program.
8. Data indicators. PRESET (green) indicates a
preset (PR) value.ACCUM (green) indicates
anaccumulator (AC)value.
9. Error code table. Listed in Englishand
French.
10. Mounting screws
(4).TheTCAT mounts inan
enclosure
or panel cutout. See Chapter 8.
11. Cable socket (labeledCCl). Plug the
interconnectcable (supplied) into this socket
and the programmer socketon the SLC
processor. Refer to Chapter
8, Installation.
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2-3
Address --
display.
Protect status
indicator.
-
Instruction/
indicators.
Keyboard..
-(5) Data display.
48) Data
indicators.
.(1) Keyswitch.
i
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