HP 7470A Service Manual page 6

7470A
lNT ROOUCT ION
- -
section I
SECTION I
GENERAL INFORMATlON
Table 1-1. S w c a t i o n s
1. 2 .
Thb
d c e manual con- information necea-
sary t o test and
service
the Hewlett-Packard Model
7470A Plotkr.
Thin
manual
is
divided into five sections
aa foilown:
1
-
General Information
I 1
-
Performance Tests
III
-
Replaceable Parts
IV
-
Manual Changes
V -Senrice
13. Information for interfacing and operating the
Model 7470A will be found in the following:
Title
-
Interfacing and Program-
.
ming Manual
Operating Manual
Interconnection Guide
Programmer's Reference
HP
Psrt Number
14.
This
General Information section contains the
spdications and option and accemory information.
I
1-5.
SPECIFICATIONS
1
1-6. Table 1-1 lists the sptdicatiom for the Model
I
7470A. These spaQfications include the performance
standards against which the plotter is tested.
1-7. SAFETY CONSIDERATIONS
1 . Safety information relevant to the
service p m c c
d u n being described i a provided in the appropriate
sections of this manual. The Model 7470A and this
manual should be reviewed for safety markings and
instructions before senrice work i s begun.
1 DESCRIPTION
1-10. The Model 7470A accepta digital information to
produce graphic plots on
X
11 in. or IS0 A4 (210
X
297 mm) paper or special transparency plastic. Dis-
posable pens are available in various ink colors.
1-11. The two-pen capability permits more than one
color to be used in a plot without the necessity of
stopping the plotter to change pens manually. Pens
are automatically capped when in the pen stables. A
pen that is in the pen carriage will be automatically
replaced in its stable when the PAPER LOADIHOLD
lever is moved to the LOAD position. Either pen may
MAXIMUM
PLO'ITING AREA
Y axis: 190 mm (7.5 in.)
X
axis: 273 mm (10.7 in.) metric
258 m m
(
10.2 in.) English
REPEATABIUTY
With the same pen: 0.1 mm (0.004
in.)
With a different pen: 0.2 mm
(0.008 in.)
PEN VELOCX'IY
Pen down: maximum, 38.1 cm/s (15 in./s)
programmable, 1 t o 38 cm/s in
1 cm/s increments
Pen up: 50.8 cm/s (20 in./s)
ADDRESSABLE STEP
SIZE
0.025 mm (0.00098 in.)
ACCELERATION
Approximately 2 g
POWER
REQUIREMENTS
Source: 100,120,220, or 240 V- -1096, +5%
Frequency: 48 to 66
Hz
Consumption: 25 W maximum
SIZE
Length: 432 mm (17 in.)
Width: 343 mm
(
13.5 in.)
Height: 127
rnm
(5 in.)
WEIGHT
5.7 kg (125 Ib)
be selected by program control or by pressing the PEN
LEFT
(1) or PEN RIGHT (2) button. To replace a pen
in its stable, hold the ENTER button down while
pressing the appropriate pen select button.
1-12 Seven different line types are provided. Label-
ing can
be
done in five character sets plua userdefined
characters (except in
HP-IL
Option 003). Text (label-
ing) can be written in any direction, upright or slanted.
Character size is also variable.
1-13. LINE VOLTAGE AND FUSE SELECTION
To prevent damage to the plotter, make
sure the line voltage selection and fuse
protection is correct before connecting
line power.
Revision A: October 1986