Allen-Bradley 1770-T1 User manual

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• ALLEN-BRADLEY
1770-805
Bulletin 1770
Industrial Terminal Systems
{Cat. No. 1770-T1, T2, T3, T4)
User's Manual
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Because of the variety of uses for this equip-
ment and because of the differences between
this solid state equipment and electromechani-
cal equipment, the user of and those respon-
sible for applying this equipment must satisfy
themselves as to the acceptabilrty of each
application and use of the equipment. In no
event will Allen-Bradley Company be respon-
sible or liable for indirect or consequential
damages resulting from the use or application
of this equipment.
The illustrations, charts and layout examples
shown in this manual are intended solely to
illustrate the text of this manual. Because of
the many variables and requirements associ-
ated with any particular installation, Allen-
Bradley Company cannot assume responsi-
bility or liability for actual use based upon the
illustrative uses and applications.
No patent liability is assumed by Allen-Bradley
Company with respect to use of information,
circuits, equipment or software described in
this text.
Reproduction of the content of this manual, in
whole or in part, without written permission of
the Allen-Bradley Company is prohibited.
© 1983 Allen-Bradley Company
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Section/
Paragraph
1
1.0
1.1
1.2
1.3
2
2.0
2.1
2.2
2.3
2.4
2.5
2.6
3
3.0
3.1
3.2
3.3
3.4
3.5
3.6
4
4.0
4.1
4.2
4.3
4.4
4.5
4.5.1
4.5.2
4.5.3
4.6
5
5.0
Page i
1770-805
Introduction
Scope of Manual
General
TABLE OF CONTENTS
Title Page
1-1
1-1
Description ............................................................ 1-1
Compatibility'1-3
System Hardware
General .............................................................. .
CRT .................................................................. .
Controls .............................................................. .
Sockets and Cables ................................................... .
Keyboard Connector Cover ............................................ .
Keyboards ............................................................ .
Protective Cover ...................................................... .
Assembly
General .............................................................. .
Keyboard Installation .................................................. .
Keytop Overlay Installation ............................................ .
Keyboard Connector Cover Installation ................................. .
Selecting AC Input Voltage Range ...................................... .
Changing AC Fuse .................................................... .
Baud Rate, Parity and Line Frequency Selection ......................... .
Connections and Pinouts
General
• • • • • • • • • • • • • • • • • • • • • 0 0 • • • ~ ~ • • • • • • • • • • • • • • • • • • • 0 • • • • 0 • • 0 ~ • • • • • •
Connecting a PLC-2 Family Processor .................................. .
Connecting a PLC Processor .......................................... .
Connecting a PLC-3 Processor ......................................... .
Connecting a Series 7100 CNC ......................................... .
Connecting an ASCII Terminal Using Channel B ........................ .
Connecting RS-232-C Devices to Channel 8 .......................... .
Connecting a PLC Processor for Report Generation ................... .
Connecting a PLC-3 Processor for Report Generation ................. .
Connecting Peripheral Devices to Channel C ........................... .
Mode Selection
General 0 0 0 0 0 0 0 o 0 o o o o o o o o o o o e • 0 o G o •
., o o o o o o o • • o • o o o • o • • • o • o • o o • o o ~ • • • • • •
2-1
2-1
2-2
2-2
2-2
2-2
2-3
3-1
3-1
3-1
3-2
3-2
3-3
3-3
4-1
4-1
4-1
4-2
4-2
4-3
4-6
4-6
4-7
4-8
5-1
5.1 Monitor Mode .......................................................... 5-1
5.2 Mode Selection with a T1, T2, or T3 System .............................. 5-1
5.3 Mode Selection with a T4 System ....................................... 5-2
6 Alphanumeric Mode
6.0 General . . . . .. . . . . . . . . .. . . . . . . . .. . . . . . . .. . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . 6-1
6.1 Alphanumeric Options Menus ........................................... 6-1
6.1.1 Alphanumeric Options (1770-T1, T2 and T3 Systems) ................... 6-1
6.1.2 Alphanumeric Options (1770-T4 Systems) ............................. 6-1
6.2
Alphanumeric Capabilities .............................................. 6-3
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Page ii
1770-805
Section/
Paragraph
6.2.1
6.2.2
6.2.3
6.2.4
7
7.0
7.1
7.2
8
8.0
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
Section/
Paragraph
2-1
2-2
2-3
2-4
3-1
3-2
3-3
3-4
3-5
4-1
4-2
4-3
4-4
4-5
4-6
4-7
4-8
4-9
4-10
4-11
Title
Alphanumeric Keyboard Definitions ................................. · ·
ASCII
Control Codes .............................................. · · · ·
Graphics ......................................... · · · · · · · · · · · · · · · · · · ·
Special
Control Codes . . . . . . . . ......................... · ... · · · · · · · ·
Troubleshooting
General .............................................................. .
Diagnostics .... ~ ~ ......... ~ ... "~. "$ ~ ••••••••••••••••••••••••••••••••••••
Test Plug .............................................. · · · · · · · · · · · · · · · ·
Specifications
General .............................................................. .
Physical Dimensions ................................................. .
Electrical Interface .................................................... .
Operating AC Line Voltage ........................................... .
Operating AC Voltage Range .......................................... .
Operating Line Frequency . . . . . . . ..................................... .
Fuse Rating
........................................................... .
Communication Rate .................................................. .
Environmental ........................................................ .
Functions
LIST OF FIGURES
6-3
6-4
6-5
6-5
7-1
7-1
7-1
8-1
8-1
8-1
8-1
8-1
8-1
8-1
8-1
8-1
8-1
l"itle
Page
Industrial Terminal
0 0 0 0 0 0 0 0 G " ~ 0 G 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 e 0 0 0 0 0 0 0 0 e 0 0
Industrial Terminal Keyboard .. .
~ ~ 0 " • • • • • .. • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
Keytop Overlays .............. . a o o
eo o o o o o o o o o o o o o o o o o o o eo o o eo o o o o o o o o o
Protective Cover .............. . •
~ • 0 0 • • 0 • 0 • 0 • • • • • • • •• 0 • • • 0 • • • • • • • • • • • • •
Attaching Keyboard Module ........................................... .
Installing Keytop Overlay .............................................. .
Attaching Keyboard Connector Cover .................................. .
AC Voltage Selection and Fuse Replacement ............................ .
Switch Group Assembly ............................................... .
PLC-2 Family
Connector Diagram ...................................... .
PLC
Connection Diagram ............................................. .
PLC Remote Connection Diagram ...................................... .
PLC Remote Cable Diagram ........................................... .
PLC-3
Connection Diagram ............................................ .
PLC-3 Remote
Connection Diagram .................................... .
PLC-3 Remote Cable Diagram
......................................... .
Industrial Terminal/Series 7100 CNC (PI) Connection Diagram ........... .
Pinout of Channel B ................................................... .
Cable
Diagram for RS-232-C and PLC Applications ...................... .
Data
Handling Connection Diagram (13 feet) ............................ .
2-1
2-3
2-4
2-3
3-1
3-1
3-2
3-2
3-3
4-1
4-2
4-3
4-3
4-4
4-4
4-5
4-5
4-6
4-7
4-7
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Section/
Paragraph
Page iii
1770-805
4-12 Data Handling Connection Diagram (5,000 feet) .......................... 4-8
4-13
PLC-3 Report Generation Cable ram ................................ 4-9
4-14
Pinout of Channel C . . . . . . . . . . . . ...................................... 4-9
5-1
5-2
5-3
Keyboard Connector Cover ............................................ .
Mode Selection Menus (T1, T2 and
Mode Selection Menus (T4) ...... .
5-1
5-2
5-3
6-1 Alphanumeric and Graphic Keytop Overlays ............................. 6-2
6-2
Alphanumeric Options Menu (1770-T1, -T2 and T3) ...................... 6-2
6-3
Graphics Example . . . . . . . . . . . ....................................... 6-6
Section/
Paragraph
LIST OF TABLES
Title
Page
1-1
Supporting Documentation ............................................ 1-1
1-2 Industrial Terminal Systems ........................................... 1-2
1-3
Industrial Terminal/Processor Compatibility ............................. 1-3
2-1 Sockets and Cables ................................................... 2-2
3-1 Switch Group Settings ................................................. 3-4
4-1 Remote
Cable Parts ................................................... 4-6
6-1 ASCII (American Standard Codes for Information Interchange) ........... 6-4
6-2
ASCII Control Codes . . . . . . . . . . . .. . . . . . . . . .. . . . . . . .. . . . . . . . . . . . . . . . . . . . . 6-5
6-3
Industrial Terminal Control Codes ....................................... 6-6
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Page 1-1
1770-805
Section 1
INTRODUCTION
1.0 SCOPE OF MANUAL
The Industrial Terminal System User's Manual
describes the installation, operation, and
general capabilities of the Industrial Terminal
System (Cat. No.1770-T1, -T2, -T3, -T4). The
manual does not describe certain processor
dependent characteristics, including peri-
pheral device operation and programming
information such as the instruction set and
report generation capability. This information
is contained in the appropriate Processor
documentation. Table 1-1 provides a cross
reference
to other Allen-Bradley publications
which discussthese topics in relation to speci-
fic Allen-Bradley processors.
1.1 GENERAL
The Industrial Terminal System is a portable
and versatile programming terminal that has a
Cathode Ray Tube (CRT) and a keyboard.
When
connected to an Allen-Bradley Pro-
cessor,
it is used to enter, monitor, and edit
ladder diagram programs and report genera-
tion messages. It can also be connected to a
line printer, a Digital Cassette Recorder, or a
Data
Cartridge Recorder to perform various
peripheral functions. The Industrial Terminal
System can
also be connected to a modem,
computer or other RS-232-C device for use as
a data
terminal. The ladder diagram instruc-
tions and alphanumeric/ graphic characters
that are generated or received are clearly
displayed on the CRT screen.
1.2 DESCRIPTION
There are four Industrial Terminal Systems
(Cat. No. 1770-T1,T2, -T3, and -T4) available.
Each has the same types of equipment. These
items include:
~ Industrial Terminal CRT Monitor (Cat. No.
1770-TA, Series B)
TABLE 1-1- Supporting Documentation
Processor
Publication Title
Publication Programming
Related Peripheral
Number
Information
Operating Information
PLC-3
PLC-3 Programmable Controller
Installation and Operations Manual
1775-800 X
PLC-3
PLC-3 Programmable Controller
Programming Manual
1775-801 X
PLC-2/30
PLC-2/30 Programmable Controller
Programming and Operations Manual
1772-806 X X
PLC-2/20
PLC-2/20 Programmable Controller
(LP2 or LP1)
Programming and Operations Manual
1772-802 X X
Mini-PLC-2/15
MINI-PLC-2/15 Programmable Controller
Programming and Operations Manual
1772-804 X X
Mini-PLC-2
Mini-PLC-2 Programmable Controller
Programming and Operations Manual 1772-821 X X
PLC-2 PLC-2 User's Manual 1772-800 X X
PLC D
PLC Programmable Controller
Programming and Operations
1774-800 X
PLC 0
PLC Programmable Controller Program
Panel Interface Module Operating
Instructions
1774-817 X
Series 7100 Programmable Interface User's Guide
7100-4.2 X X
D Only 1770-T2 and 1770-T3, series 8 or later Industrial Terminal Systems can be used with a PLC Programmable controller. They are used in
the same manner as the PLC Program Panel, except that a blank blue key is used instead of a SELECT key.
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Page 1-2
1770-805
•
Keyboard Connector Cover (Cat. No.
1770-XB) lays, and Cables
shipped with each Industrial
Terminal System are listed in Table 1-2.
• CRT Troubleshooting Test Plug (Cat. No.
1774-TT)
Note that the PLC-2 Family Keyboard (Cat.
No. 1770-FD) and
the PLC-3 Keyboard (Cat.
No. 1770-FE) have a projection on the back
that fits into the Industrial Terminal CRT
Monitor. This projection is designed to fit into
a notch on a Series B Industrial Terminal CRT
Monitor. Series A Industrial Terminal CRT
Monitors, shipped with earlier 1770- T1 and
-T2 systems,
do not have a notch. Thus, 1770-
FD and 1770-FE Keyboards can only be used
with Series B Industrial Terminal CRT
Monitors.
• User's Manual (Publication 1770-805)
• Keyboard
with one or more Keytop Overlays
•
One or more cables
The first four items listed above are the same
for all Industrial Terminal Systems. The last
two items listed are specific to each Industrial
Terminal System. The Keyboard, Keytop Over-
TABLE 1-2- Industrial Terminal Systems
Industrial Terminal
Keyboard
System (Cat. No.) 0
Modules
Keytop Overlays
1770-T1
PLC-2 Keyboard
PLC-2 Keytop Overlay
(Cat. No. 1770-FC (Cat. No.
1770-KCA)
Alphanumeric Keytop
Overlay (Cat. No. 1770-
KAA)
1770-T2 PLC/PLC-2 Keyboard
PLC Keytop Overlay
(Cat. No. 1770-FA) (Cat. No.
1770-KBA)
PLC-2 Keytop Overlay
(Cat. No. 1770-KCA)
Alphanumeric Keytop
Overlay (Cat. No. 1770-
KAA)
1770-T3 PLC-2 Family Keyboard PLC-2 Family Keytop
(Cat. No. 1770-FD) Overlay (Cat. No. 1770-
KCB)
Alphanumeric Keytop
Overlay (Cat. No. 1770-
KAA)
PLC Keytop Overlay
(Cat. No. 1770-KBA
1770-T4
PLC-3 Keyboard
PLC-3 Keytop Overlay
(Cat. No. 1770-FE) (Cat. No.
1770-KDA)
0 All Industrial Terminal Systems are shipped with the following common equipment:
Industrial Terminal (Cat. No. 1770-TA. Series B)
Keyboard Connector Cover (Cat. No. 1770-XB)
CRT Troubleshooting Test Plug (Cat. No. 1774-TT)
User's Manual (Publication 1770-805)
Cables
PLC-2 Program Panel
Interconnect Cable
(Cat. No. 1772-TC)
PLC Program Panel
Interconnect Cable
PLC-2 Program Panel
Interconnect Cable
(Cat. No. 1772-TC)
PLC-2 Program Panel
Interconnect Cable
(Cat. No. 1772-TC)
PLC Program Panel
Interconnect Cable
(Cat. No. 1774-TC)
PLC-3 Industrial
Terminal Cable
(Cat. No. 1775-CAT)
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In addition to the standard equipment shipped
with the 1770-T1, -T2, -T3, andT4 systems,
optional equipment can be ordered. These
system
options include:
• Keyboard Storage Case (Cat. No. 1770-XC)
• Industrial Terminal Adapter Cable (Cat. No.
1770-CB,
-CC)
• Alphanumeric/ Graphics Keytop Overlay
(Cat. No. 1770-KAB)
• PLC-3 Graphics Keytop Overlay (Cat. No.
1770-KDB)
1.3 COMPATIBILITY
Page 1-3
1770-805
The compatibility chart in Table 1-3 sum-
marizes which Industrial Terminal Systems
can be used with which Processors. For
example, the 1770-T1, -T2, and T3 Industrial
Terminal Systems can be used with all PLC-2
Family Processors. The 1770-T3 Industrial
Terminal System, however, is the only one
that can fully support the PLC-2/20 (LP2),
PLC-2/30 and Mini-PLC-2/15 Processors.
Therefore, programs entered on these Pro-
cessors using a 1770- T3 Industrial Terminal
System must not be edited using either 1770-
T1 or -T2 Industrial Terminal Systems. The
limitations footnoted in Table1-3aredescribed
in the corresponding programming manuals
the Processors.
TABLE 1-3- Industrial Terminal/Processor Compatibility
Industrial Terminal
PLC
PLC-2 Mini-PLC-2 PLC-2/20 PLC-2-20 Mini-PLC-2/15
PLC-2/30
Series 7100
System (Cat. No.) (LB) (LN1 ,LN2,LN3) (LP1) (LP2)
(LV) (LP3)
PLC-3
CNC
1770-T1 X X X X D X D X D X
1770-T2
X X X X X D X D X D X
1770-T3
XI:J X X X X X X X
1770-T4 X
D Processor capabilities will be limited when using this Industrial Terminal.
1:1
1770-T3 series B or later systems are compatible with PLC Programmable Controllers. Earlier 1770-T3 systems are not
compatible with PLC Programmable Controllers.
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2.0 GENERAL
Section 2
SYSTEM HARDWARE
Page 2-1
1770-805
All models of the Industrial Terminal System
have
the same types of hardware components.
This section describes these components.
(Figure 2-1). The screen can display 80
characters across by 24 lines down. When
used
for ladder diagram programming, the
bottom three lines are reserved for displaying
prompts and other related information. The
processor and the type of instruction (single,
multiple word, or block) determine the num-
ber of rungs or rung branches and the number
of elements per rung displayed on the screen.
2.1 CRT
The Industrial Terminal System has a nine-
inch diagonal CRT used as the display screen
Keyboard Locking
Lever
Channel ___ _
Sockets
21.~ :UU: .. I '
Front View
r .. ~.Jib II I. !U J .J itt!llli t ..... I'
Rear View
FIGURE 2-1 - Industrial Terminal
Power
On/Off Switch
Sealed Touchpad
~--Keyboard with Keytop
Overlay
Fuse and AC Voltage
Selection Board
AC Power Cord
Connection
Video Output Jack
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Page 2-2
1770-805
When used as a data terminal or for report
generation, the full80 x 24 screen can be used
to display alphanumeric and graphic charac-
ters.
2.2 CONTROLS
There are three controls on the Industrial
Terminal CRT Monitor as Figure 2-1 shows.
They are:
• Power ON/OFF -located on the front of the
Industrial Terminal CRT Monitor. When the
power switch is ON, it engages a mechanical
interlock to guard against attaching or re-
moving the keyboard while power is applied.
• Brightness - located on the back of the
Industrial Terminal CRT Monitor. It con-
trols the intensity of the screen.
• Volume- located on the back of the Indus-
trial Terminal CRT Monitor. It controls the
audio level of the beep tone that is generated
when a valid key on the keyboard is pressed.
2.3 SOCKETS AND CABLES
The various sockets on the back of the Indus-
trial Terminal CRT Monitor (Figure 2-1) in-
clude the:
• AC power cord connection
• Three Channel sockets (A, B, and C)
• Video Output Jack
Channels A, B, and Care the communication
ports for connecting Processors, peripheral
devices, computers, and modems. Channel B
performs different functions in different Indus-
trial Terminal Systems (Table 2-1 ). The Video
Output Jack can be used to connect an RS-
170 compatible Black & White CRT monitor
capable of underscan operation. The function
of each channel and the cables required are
described in Table 2-1.
2.4 KEYBOARD CONNECTOR COVER
The Industrial Terminal System is shipped
with the keyboard connector cover installed
on the front of the CRT Monitor. If the Indus-
trial Terminal System is used as a monitor
(without a keyboard), this keyboard connector
cover MUST be installed.
2.5 KEYBOARDS
There are four keyboards available, one for
each Industrial Terminal System. They are:
TABLE 2-1 -Sockets and Cables
Socket Function Industrial Terminal Cables
System
Channel A Connects to a PLC-2 1770- T1 ,-T2,-T3 1772-TC
PLC-2 Family Family Processor or a
Series 7100 CNC
Channel B Connects to a PLC 1770-T2 1774-TC
PLC-3/PLC Processor 1770-T3 series B 1770-CB D with a
Data Terminal 1774-DC or DC2 D
Connects to a PLC-3 1770-T4 1775-CAT
Processor
Use as a Data Terminal All 1770-CB D (male)
or
or Monitor
1770-CC D (female)
ChanneiC
Connecting to a Digital All Device provided
Peripheral Cassette Recorder Data RS-232-C
Cartridge Recorder or hard
copy printer
Video Output Jack Connecting to a B & W
All
User provided
(BNC) 75
CRT Monitor f)
RS-170
D Optional Cable. Must be ordered separately.
f) Must be Black &White monitor with underscan operation (the raster must be fully contained within the viewing area of
the screen).
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• The 1770-FC Keyboard for a 1770- T1 system
• The 1770-FA Keyboard for a 1770-T2 system
• The 1770-FD Keyboard for a 1770-T3 system
• The 1770-FE Keyboard for a 1770-T4 system
Each
keyboard is shipped with one or more
keytop overlays. The keyboard (Figure 2-2)
has asealed
touch pad and contains the PROM
memory that gives the keyboard its instruc-
tion set for programming the specific Proces-
FIGURE 2-2- Industrial Terminal Keyboard
Page 2-3
1770-805
sors. Both the keytop overlays that are shipped
with each Industrial Terminal System and the
optional keytop overlays are identified in
Figure 2-3.
2.6 PROTECTIVE COVER
When the Industrial Terminal System is not in
use,
the Protective Cover (Figure 2-4) should
be installed to protect the CRT screen and the
keyboard. It can also be used to store unused
equipment such as the CRT Troubleshooting
Test Plug, extra keytop overlays, and cables.
FIGURE 2-4- Protective Cover
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Page 2-4
1770-805
o STANDARD
§JOOOOOODDDDDDD
GBBBBBEJBCDOliJOOOO
BBBBEJBBEJITJO@J[]J[]J
O§JCIJCOBBBBBBOGJ~W
O~EJEJEJBDBBBOO@O
,;,;, ..... =
PLC Keytop Overlay f) g
PLC-2 Family Keytop Overlay r!J
r::lf'll""ll#lisll%lislGJf'lf'lr:::lf*ll=l0
~L!JllJLlJ~~~ 7 ~L!JL!J~L=J
()
EJ[ijfil@@@@@@@ffi@JEJ0°
ooonnnnnmf"'lr+lr:lwO
L:J[IJ(IJ[QJ[D[g][HJ[IJ[K]ITJ[IJ~~
OEJrnrnEatil@ffiffiEBEBEB§O
oooooooooooooo
"""""'"""""'"'
Alphanumeric Keytop Overlay 0 f) D
§JOOOOOOOOOOODD
BBBBBBBEJBCDliJOO[[]
BBBBEJBBBEJ@fiJ[]J[]J
O§JOJCOBBBBBBBGJ~@J
OEJEJEJBBBBBBBl:!J@~
PLC-2 Keytop Overlay 0 f)
PLC-3 Keytop Overlay 9
D Part of a 1770- T1 System
6 Part of a 1770-T2 System
BJ Part of a 1770-T3 System
9 Part of a 1770-T4 System
u OPTIONAL
©--· '"'"""'""" """" j© .. "'""""""
Alphanumeric/Graphics Keytop Overlay D PLC-3 Graphics Keytop Overlay 6
DAn Option for the 1770-T1, -T2 and -T3 Systems 6 An Option for the 1770-T4 Systems Only
FIGURE 2-3- Keytop Overlays
0
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Page 3-1
1770-805
Section 3
ASSEMBLY
3.0 GENERAL
Before any Industrial Terminal System can be
used,
it must be set up for proper operation.
This includes selecting the correct input
voltage, line frequency, and fuse, and setting
the correct baud rate and parity for Channels
Band C.
Since all Industrial Terminal Systems are set
up in the same manner, the information in this
section applies to all systems.
3.1 KEYBOARD INSTALLATION
Perform the following steps to attach the
keyboard to the Industrial terminal:
1. Loosen the mounting screws on the key-
board connector cover and remove the con-
nector cover.
2. Be sure the power switch is off.
3. Lift and move the locking lever to the
UNLOCK position.
4. Align the two support pins on the keyboard
with the bushings on the front of the chassis
(Figure 3-1) and insert the keyboard.
5. Lift and move the locking lever to the LOCK
position.
Note that the PLC-2 Family Keyboard (Cat.
No. 1770-FD)
and the PLC-3 Keyboard (Cat.
No. 1770-FE) have a
projection on the back
that fits into the Industrial Terminal CRT
Monitor. This projection is designed to fit into
a notch on a Series 8 Industrial Terminal
Monitor. Series A Industrial Terminal Moni-
tors, shipped with earlier 1770- T1 and -T2
systems,
do not have a notch. Thus, 1770-FD
and 1770-FE
Keyboards can only be used with
Series 8 Industrial Terminal Monitors.
3.2 KEYTOP OVERLAY INSTALLATION
The desired keytop overlay is easily installed
on the keyboard by aligning the notches in the
overlay with the tabs on the keyboard as
Figure 3-2 shows.
---_ Bushings/
Keyboard Locking Lever
FIGURE 3-1 -Attaching Keyboard Module
Mounting
Notch
Mounting
Tab
Keytop Overlay
FIGURE 3-2- Installing Keytop Overlay
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Page 3-2
1770-805
3.3 KEYBOARD CONNECTOR COVER
INSTALLATION
If the Industrial Terminal System is used as a
monitor (without a keyboard), the keyboard
connector cover MUST be installed. When
attaching the keyboard connector cover,
tighten the two mounting screws (Figure 3-3)
by hand; do not overtighten.
3.4SELECTING AC INPUT VOLTAGE RANGE
All Industrial Terminal CRT Monitors are
shipped configured for 120V AC, 60 Hz
operation.
The CRT Monitor can be configured for
220/240V AC operation by repositioning the
AC selector board, located on the back of the
Industrial Terminal CRT Monitor (Figure 3-4).
The board has four positions: 100, 120, 220
and 240. When either 100 or 120 is selected,
the voltage range is 98 to 132V AC. When 220
or 240 is selected, the voltage range is 196 to
250V AC.
When
the Industrial Terminal System is set up
for 220/240V AC operation, place the 230V
Mounting
Screws
,/./
...
\
Keyboard Connector Cover
FIGURE 3-3- Attaching Keyboard Connector
Cover
Wire
Loop
AC Selection
Board
Plastic
Slide Cover
Fuse
Fuse Pull
Lever
Label Here
FIGURE 3-4- AC Voltage Selection and Fuse
Replacement
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label, contained in the 230V Fuse Kit, directly
below the AC selection board housing (Figure
3-4). Also replace the 1 amp fuse with the 1/2
amp fuse (Section 3.5), and attach a 240V
cord.
Perform the following steps to change the AC
input voltage setting (Refer to Figure 3-4):
1. Be sure the power ON/OFF switch is turned
OFF and the AC power cord is disconnected
from the Industrial Terminal CRT Monitor.
2. Slide the plastic cover to the left over the AC
power cord connection.
3. Insert a piece of wire through the hole on
the AC selection board and twist the ends
together to form a loop.
4. Grasp the wire loop with a pair of needle
nose pliers and pull to remove the board.
5. Remove the wire loop from the AC selection
board.
6. Position the AC selection board so that the
number that is visible matches the linevoltage.
7. Install the AC selection board. The number
now visible should match the line voltage.
8. If the 220/240V setting is used, place the
230V label below the selection board.
9. Change the AC fuse and power cable as
described below.
3.5 CHANGING AC FUSE
Perform the following steps to change or
inspect the main AC fuse of the Industrial
Terminal CRT Monitor (Figure 3-4):
1. With the power switch OFF, disconnect the
AC power cord from the Industrial Terminal
CRT Monitor.
2. Slide the plastic cover to the left over the AC
power cord connection.
3. Pull the FUSE PULL lever to the left and
remove
the fuse.
Page 3-3
1770-805
4. Move the FUSE PULL lever back to the right.
5. Insert the proper fuse: 1 amp for 120V
operations and 1/2 amp for 220/240V opera-
tions.
6. Attach a suitable power cord to the Indus-
trial Terminal CRT Monitor.The power cord
supplied with the unit is suitable for 120VAC
operation. For 220/240V operation, the cord
must be replaced or modified by replacing the
plug.
3.6
BAUD RATE, PARITY AND LINE FRE-
QUENCY SELECTION
Located on the front of the main logic board of
the CRT monitor is a set of switches in a
switch group assembly (Figure 3-5). They
select line frequency, and the baud rate and
parity used in Channels B and C of the
Industrial Terminal CRT Monitor.
Table 3-1 shows the proper switch positions
for selecting line frequency, baud rate, and
parity.
Note that with a 1770-T3 system (with a
keyboard attached), switches 4 and 5 can be
used
to select automatic report generation
and turn ON Channel C during power up and
Mode Select in addition to selecting parity.
Baud Rate, Parity and Line
Frequency Switches
FIGURE 3-5 - Switch Group Assembly
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Page 3-4
1770-805
TYPE
NONE 0
ODD
EVEN
NOT
USED fJ
TABLE 3-1 -Switch Group Settings
PARITY
BAUD RATE
LINE FREQ. (Hz)
SWITCH SWITCH
SPEED
4 5 1 2 3
DOWN DOWN
DOWN
UP
UP
DOWN
110
DOWN DOWN
DOWN
300 DOWN DOWN
UP
600 DOWN
UP
DOWN
UP
UP
1200
DOWN
UP UP
2400
UP
DOWN DOWN
4800
UP
DOWN
UP
9600 UP UP DOWN
NOT
USED
UP
UP
UP
0 When connecting to a PLC Processor, this switch setting must be used.
fJ With a 1770-T3 system, this setting can be used for Automatic Report Generation at
power-up. With a 1770-T4, Series B or later, this setting selects PLC-3 mode at
power-up if a PLC-3 processor is connected.
SWITCH
Hz 6
50 DOWN
60 UP
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Page 4-1
1770-805
Section 4
CONNECTIONS AND PINOUTS
4.0 GENERAL
The connection diagrams in this section show
how to connect Allen-Bradley Processors, the
Series7100 CNC, peripheral devices, modems,
and computers to Channels A, B, and C of an
Industrial Terminal System.
4.1 CONNECTING A PLC-2 FAMILY PRO-
CESSOR
All PLC-2 Family Processors connect to
Channel A of a 1770-T1,T2, or -T3 Industrial
Terminal System in the same manner and with
the same cable (Figure 4-1 ). One end of the
Program Panel Interconnect Cable (Cat. No.
1772- TC) is connected to Channel A of the
Industrial Terminal System. The other end is
connected to a 15-pin socket on the front of a
PLC-2 family Processor. The socket on the
Processor will be labeled either INTERFACE
or PROGRAM PANEL. The Industrial Termi-
nal System can be connected to and discon-
e
PLC-2 Family
Processor
o o Ls
PLC
if!/30
PROGRAMMABLE
CONTROLLER
15-Pin Socket
X~. ::::_Bj ~Labeled Interface
.---"----
0
-::r···=::~=·.~y I\\ or Program Panel
-
~
. E J
• < D<AG .. OSTICS
:.,c, .. ,, ... ,,, ..
---· --
nected from the PLC-2 Family Processor
without removing AC power.
4.2 CONNECTING A PLC PROCESSOR
Note: Before making any connections, be sure
both Industrial Terminal System parity switch-
es (4 and 5) are set to the DOWN position.
The PLC Processor can be connected up to 15
cable-feet from a 1770-T2 or 1770-T3, series B
Industrial Terminal System using the Program
Panel Interconnect Cable (Cat. No. 1774-TC).
The PLC Processor must have either a Pro-
gram Panel interface Module (Cat. NO. 1774-
TB,- TB2) or an On-line Programming Module
(Cat. No.1774-TL2) installed inslotzeroofits
chassis. The 41-pin end of the cable connects
to the module in slot zero of the PLC Processor
chassis (Figure 4-2). The other end of the
cable (25-pin end) is connected to Channel B.
The cable can be connected or disconnected
1770-T1, T2, or T3
Industrial Terminal
10 Feet
\
Program Panel Interconnect Cable
(Cat. No. 1772-TC)
FIGURE 4-1 -PLC-2 Family Connection Diagram
10055
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Page 4-2
1770-805
PLC Processor
1770-T2 or 1770-T3. series B
Program Panel
Industrial Terminal
c @ @ Interface Module
@
Q/
"0
('!J
or On-Line
@ @
~Programming
/0
c:::;Q] 0-
© § I
10
. Module
~
IJ
II
R r=J r=JGJI
(e
AI,LEN-BHADLEY
l=Jl ..
\--1' I •I ~~ ~ \I._
~
-~ /o
[ 0
~
Channel B
' 15 Feet
.)
~
Program Panel Interconnect Cable
(Cat No. 1774-TC)
10056
FIGURE 4-2- PLC Connection Diagram
without removing AC power from either the
Industrial Terminal System or the PLC Proces-
sor.
The 1770-T2 or 1770-T3, series B Industrial
Terminal System can be connected up to 5000
cable-feet from the PLC Processor by using
additional cable between the 1774-TC Cable
and Channel B (Figure 4-3). This additional
cable (Cat. No. 1778-CR, Belden 8723 or its
equivalent)
must be constructed as shown in
Figure 4-4. The parts required to construct
this cable are listed in Table 4-1.
4.3 CONNECTING A PLC-3 PROCESSOR
The PLC-3 Processor is connected to the
1770-T4 Industrial Terminal System for pro-
gramming using the PLC-31ndustrial Terminal
Cable (Cat. No. 1775-CAT). The end of the
cable labeled INDUSTRIAL TERMINAL END
connects to Channel B (Figure 4-5). The end
of the cable labeled PLC-3 END is connected
to one of two ports on the PLC-3 Processor:
either Channel 0 on the front panel or Channel
5 on the 1/0 Scanner-Programmer Interface
Module (Cat. No. 1775-S4A) inside the PLC-3
Chassis.
The 1770-T4 Industrial Terminal System can
be
connected up to 5000 cable feet from the
PLC-3 Processor (Figure 4-6) using cable
constructed from Cat. No. 1778-CK, Belden
8723 or its equivalent. The cable diagram in
Figure 4-7 shows how to wire the pins to the
male connectors. The parts necessary to con-
struct the cable are listed in Table 4-1.
4.4 CONNECTING A SERIES 7100 CNC
The Programmable Interface (PI) Module is
an
optional software feature of the Series7100
Computerized Numerical Control (CNC). It
consists of a printed circuit module that can
be
programmed much like a programmable
controller, using ladder-diagram instructions.
For detailed information about programming
and operating the Series7100 CNC with the PI
Module, refer to Programmable Interface
User's Guide (Publication 7100-4.2).
The 1770-T1, -T2, and -T31ndustrial Terminal
Systems can be connected to the PI Module
using the 1772-TC Program Panel Intercon-
nect Cable (Figure 4-8). One end of the cable
connects to Channel A on the Industrial Ter-
minal System. The other end connects to the
15-pin socket on the front edge of the PI
Module. Power need not be removed when
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PLC Processor
c @ @
@ @
@ @
@ §
( " ALLEN-BRADLEY I~ l
0
Program Panel
Interface Module
Page 4-3
1770-805
1770-T2 or 1770-T3, series B
Industrial Terminal
Up to 5000 Feet
Channel B
Program Panel Interconnect Cable
(Cat. No. 1774-TC)
Cat. No. 1778-CR,
Belden 8723, or Equivalent
10057
FIGURE 4-3- PLC Remote Connection Diagram
Channel B
Program Panel
Interconnect Cable
Cat. No. 1778-CR
or Belden 8723
i
Female Connector
Male Connector
10058
FIGURE 4-4- PLC Remote Cable Diagram
connecting and disconnecting the Industrial
Terminal System.
4.5 CONNECTING AS AN ASCII TERMINAL
USING CHANNEL B
The Industrial Terminal System can operate
as a data terminal in Alphanumeric mode. As a
data terminal, it communicates with RS-232-C
devices such as modems and computers. It
also performs report generation with the PLC
and PLC-3 Processors. Cable connections for
all of these functions are made to Channel B
as
described in the following sections.
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