DayTronic 4030 User manual
MODEL
4030
SINGLE-CHANNEL
AC LVDT INSTRUMENT
SB.5
4000
Instrument Series
INSTRUCTION MANUAL
Copyright © 1996, Daytronic Corporation. All rights reserved.
No part of this document may be reprinted, reproduced, or used in any form or by
any electronic, mechanical, or other means, including photocopying and recording,
or in any information storage and retrieval system, without permission in writing
from Daytronic Corporation. All specifications are subject to change without notice.
MODEL
4030
SINGLE-CHANNEL
AC LVDT INSTRUMENT
INSTRUCTION MANUAL
Model 4030 Instruction Manual, v. SB.5
Pub. No. 4030M.5, Issued 10/96
Part No. 91472
Daytronic Corporation
Dayton, OH
www.daytronic.com
1. Introduction
a. Description and Specifications ............................................. 1.1
b. Physical Layout .................................................................... 1.5
c. Panel Mounting .................................................................... 1.8
d. Standard Channel Configuration ......................................... 1.9
e. Standard Logic Configuration .............................................1.10
f. Using the Front-Panel Setup Buttons .................................1.12
g. Low Battery Warning .......................................................... 1.18
2. Setup
a. Transducer Cabling ............................................................. 2.1
b. Powerup
1. AC Operation ................................................................. 2.5
2. DC Operation ................................................................ 2.6
c. Adjusting LCD Viewing Angle .............................................. 2.8
d. Selecting a Channel for Display .......................................... 2.9
e. Channel Calibration ........................................................... 2.10
f. Setting Channel Filters ...................................................... 2.11
g. Scaling the Bargraph Display ............................................ 2.12
h. Defining Limit Zones .......................................................... 2.13
i. Logic I/O Connections ....................................................... 2.14
j. Analog Output Connections .............................................. 2.16
3. Operation: Use of Front-Panel Buttons ............................... 3.1
Appendix A: Complete Standard Configuration ......................... A.1
Appendix B: 4030/Computer RS-232-C Connections ............... B.1
Appendix C: Legend and Indicator Annunciation ...................... C.1
Appendix D: Channel Linearization ........................................... D.1
Appendix E: Changing the Battery ............................................ E.1
i
Contents
Section Page
A to D
Conversion
Real-Time
Math
Processing
Signal
Conditioning
Communi-
cations &
Memory
Process
Control
Displays &
Buttons
Transducer
Input(s)
1.a Model 4030 Description and Specifications
1.1
General 4030 Features
•+ – x ÷ √
•Digital Max/Min
•Constants
•Limits (7 zones,
including "Safety"; can
be used to generate
logic control outputs or
to trigger predefined
command sequences
automatically)
•Tare offset
•Scalable 51-segment
bargraph with end-
point indication
•Backlit 0.6-inch LCD
with adjustable viewing
angle and limit-
triggered flashing
•Independently settable
dual-limit displays
•RS-232-C I/O
•Port for optional
keyboard
•Simple step-through
configuration setup
and review via front
panel
•Battery-backed data
and configuration
storage
•Scalable 10-V analog
output for strip-chart
recording, etc.
•8 TTL-level logic I/O's
for annunciation,
process control, and
automatic command
execution
•16-bit (±32000 count)
•optional internal
linearization (up to 15
variable-length
segments)
•Excitation
•"y = mx + b" scaling
•Analog and digital
filtering
The Model 4030 is a single-channel instrument for measurement of
displacement, force, pressure, and other parameters obtained with a
variable reluctance transducer or linear variable differential
transformer (LVDT)—see "Transducer Types," below. The 4030's
sensitivity range is
automatically
adjusted by the microprocessor to
accommodate full-scale ranges from ±0.010 inches (±0.25 mm) to ±6.0
inches (±15.24 cm). A "tare" function is preprogrammed for the LVDT
input, and may be activated by a front-panel push button. Via front-
panel buttons, you can also display and reset MAXIMUM, MINIMUM,
and "MAX minus MIN" values for the "tared" analog input.
Unless otherwise specified at the time of order, your Model 4030 has
been set, prior to shipment, to a
standard configuration
. THIS
CONFIGURATION IS FULLY ADEQUATE FOR MOST APPLICA-
TIONS, AND LETS YOU CONTROL BASIC INSTRUMENT SETUP
AND OPERATION SOLELY BY MEANS OF THE SIX FRONT-PANEL
PUSH BUTTONS AND THE EIGHT REAR-PANEL LOGIC I/O. A full
listing of your 4030's standard configuration is given in Appendix A.
Like all 4000 Series instruments, however, the 4030 can be rapidly and
easily reprogrammed in the field, to provide a variety of unique
application solutions. For such reprogramming you can use either
• an optional Model 10P80D Extended Keyboard that plugs directly
into the rear of the 4030 unit, or
• the optional StartPAC 100 Software (Model GS-SP100).* This
software applies to ALL Daytronic RS-485 networkable instru-
ments, and offers a number of valuable utilities for terminal
emulation, node configuration, network monitoring, data display
and logging, etc. IT IS SUPPLIED FREE OF CHARGE WITH ALL
4000 SERIES MODELS. For details on the installation and
operation of StartPAC 100, see the
StartPAC 100 Instruction
Manual
.
StartPAC 100 lets a connected computer serve as a "dumb" terminal
for entry of the specific MNEMONIC COMMANDS required to repro-
1.2
Model 4030 Description and Specifications 1.a
* Alternatively, you can use any of a number of commercially available
terminal emulation programs
to issue commands directly to the 4030.
gram the 4030. These commands may also be issued directly to the
4030 via the optional Extended Keyboard. Commands which are
common to all 4000 Series models are described in detail in the
optional 4000 Series
System Instruction Manual
. IT IS RECOM-
MENDED THAT YOU STUDY THE
SYSTEM INSTRUCTION
MANUAL
BEFORE YOU ATTEMPT ANY RECONFIGURATION OF
YOUR MODEL 4030 BEYOND THAT DISCUSSED IN THE
APPENDICES OF THE PRESENT MANUAL.
See Appendix B of the present manual for direct RS-232-C connections
between the 4030 and a computer or printer.
Unless otherwise specified, every 4030 comes with the standard
engineering-unit legends
and
button-function indicators
shown in Fig. 1.
Different legend/indicator films may be optionally obtained. Via optional
keyboard or computer, you can instruct the 4030 to light any one or a
combination of given legends and indicators. See Appendix C for
"Legend and Indicator Annunciation."
Appendix D describes a special calibration procedure that may be
applied to a
nonlinear
sensor input, instead of the normal "TWO-POINT
(DEADWEIGHT)" technique (Section 2.e).
NOTE: WITH THE EXCEPTION OF APPENDIX C, THE PRESENT
MANUAL WILL ONLY TREAT PROCEDURES AND CONSIDERA-
TIONS WHICH ARE RELEVANT TO THE 4030 "STANDARD
CONFIGURATION" AND WHICH DO NOT REQUIRE A CONNECTED
COMPUTER OR KEYBOARD. FOR INFORMATION ON THE FULL
FUNCTIONALITY OF YOUR MODEL 4030, SEE THE OPTIONAL
SYSTEM INSTRUCTION MANUAL
.
MODEL 4030 SPECIFICATIONS (for general 4000 Series Physical,
Electrical, and Environmental specifications—including Logic
I/O—see Appendix A of the 4000 Series
System Instruction
Manual)
:
Transducer Types: 5- or 7-wire LVDT's capable of 4000-Hz operation
and having primary impedance of 80 ohms or greater; 3- or 5-wire
variable reluctance transducers.
1.a Model 4030 Description and Specifications
1.3
Sensitivity Range: Automatically adjusted by microprocessor to
accommodate full-scale ranges from ±0.010 inches (±0.25 mm) to
±6.0 inches (±15.24 cm), when used with Daytronic or equivalent
transducers.
Excitation: Nominal 3.0 V-AC (rms) at 4000 Hz; 40 mA (rms),
maximum.
Amplifier:
Common-Mode Range:
±5 V operating; ±12 V without instrument damage.
Common-Mode Rejection Ratio: infinite at DC and 60 Hz; -60 dB at
3 kHz.
Input Impedance: Differential: 400 kilohms; Common-Mode: 100
kilohms.
Offset: Initial: ±3% of full scale; vs. temperature: ±20 ppm/°C; vs.
time: ±0.01% of full scale / month
Gain Accuracy:
±0.02% of full scale,
typical
, following calibration.*
Gain Stability:
vs. temperature: ±50 ppm/°C; vs. time: ±20 ppm/month.
Filter (per channel): 3-pole modified Butterworth; 3 dB down at 10 Hz;
60 dB down at 100 Hz.
Step Response Settling Time (Full-Scale Output):
To 1% of final value: 130 milliseconds.
To 0.1% of final value: 150 milliseconds.
To 0.02% of final value: 200 milliseconds.
Analog Output: ±10 V, microprocessor driven and scaled, ±1 mV
resolution.
Accuracy: 0.05% of current voltage reading ± 2 mV.
Output Bandwidth: 40 Hz max.
* Initial (uncalibrated) inaccuracy may be as great as ±3% of full scale.
Maximum error that could occur upon replacement of a Model 4030
not
followed by calibration
is ±6% of full scale.
Maximum allowable count tolerance is 0 ± 601 (for ZERO) and 20000 ± 601
(for SPAN, where "m" = 20000).
1.4
Model 4030 Description and Specifications 1.a
Study the following diagrams to acquaint yourself with your 4030's most
important front and rear elements.
1.b Physical Layout
1.5
inches
milli/in
Bargraph
Low Endpoint
(LEP)
"Low-Low" Limit
(LLL)
Setup and Special
Function Buttons
Engineering-
Unit Legends*
Channel No.
and
Mnemonic
Display
mm
SET
UP
Bargraph
High Endpoint
(HEP)
"High-High" Limit
(HHL)
"Low" Limit
(LOL) "High" Limit
(HIL)
Button
"RUN-TIME
FUNCTION"
Indicators* Button Activity
Indicator
ON
LINE
F1 F2 F4 SET
UP
F3 F5
* Standard film shown.
(F1 = LIVE DISPLAY
F2 = [NOT USED]
F3 = TARE
F4 = MAX/MIN/MAX-MIN STEP
F5 = MAX/MIN RESET
—see Section 3)
CHAN STEP
44000
Fig. 1 4030 Front Panel
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