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Installation
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Overview
8
DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual
Release M
April 2017
Operating limits and condensed specifications
We recommend that you review and adhere to the operating limits listed in Table 2-1 when you install your
recorder.
Table 2-1 Operating limits and condensed specifications
Condition
Specifications
Ambient Temperature
32 to 131°F (0 to 55°C)
Relative Humidity
5 to 90% RH at 40°C (104°F)
Vibration
Frequency
Acceleration
0 to 200 Hz
0.2g
Mechanical Shock
Acceleration
Duration
5g
30 ms
Power
102 to 132 Vac 50/60 Hz
204 to 264 Vac 50/60 Hz
Power Consumption
20 watts maximum
Digital Indication
Accuracy
1 digit
Minimum Input Span
Range is fully configurable with span limitation of the operating range selected.
Input Impedance
4-20 mA dc:
250 ohms
0-10 Vdc:
200K ohms
All others:
10 Megohms
Source Impedance
RTD:
100 ohms per lead maximum
Span Step Response
Time
6 seconds maximum with no filtering
Sampling Rate
Each input sampled 3 times a second
Input Filter
Software:
Single pole low pass section with selectable time constants (off to 120
seconds).
Digital Displays
Vacuum fluorescent, alphanumeric.
A six digit display dedicated to the process variable.
Alternate information displayed during configuration mode.
An eight digit display shows key selected operating parameters. Also provides
guidance during configuration.
Indicators
Channel PV display (CHN 1 or 2)
Alarm status (ALM 1, 2)
Controller Output (OUT 1, 2)
Remote Setpoint (RSP)
Temperature unit (F or C) or Engineering Units
Controller’s mode (A or MAN)
Deviation Bargraph
21 segment, color coded deviation bargraph:
Green (large) = On Control
Green (small) = Deviation to ±10% of PV
Controller Modes of
Operation
Manual Operation
Automatic with local setpoint
Automatic with remote setpoint