3KPLUS General Specifications

Case

Extruded metal chassis; mountable to user's panel (see diagram below); secure rear connections via screw terminals

Dimensions

Front-Panel Elements

Rear-Panel Elements

Panel Mounting

Power Requirements

24 VDC ± 10%; 300 mA nom.; 350 mA max.; 8.4 W; optional 18-W AC adaptor available (Model 3KPS1, shown below)

Operating Temperature Range

0° F to 130° F (-18° C to 55° C)

Operating Relative Humidity

5% to 95%, noncondensing

Instrument Weight

1 lb., 10 oz. with 5D module installed

Analog Input 

Sensor input of any standard 5D Series Signal Conditioner Moduleinstalled in the 3000PLUS
NOTE:"V-" and "S-version"models may not be used.

A/D Conversion

16-bit

Sample Rate

10 kHz; delay of 20-25 msec for limit evaluation of DAC output

Data Display

6-digit red LED; count by 1, 2, or 5 resolution to maximum count of 199990; selectable digital filtering

Displayable Data Channels (selectable via front panel or software)

(1) ±5 VDC Scaled Output
(2) Auxiliary DAC Output
(3) "Raw Volts" Output (settable to ±5 or ±10 VDC full-scale)

Programmable Processing of Auxiliary DAC Output (Channel 2)

Limit Logic

Three limit zones (LOW/OK/HIGH), with front-panel annunciation and corresponding contact relay outputs (see below); latching or nonlatching limits; user-adjustable hysteresis windows; selectable relay polarity.  All limits may be disabled, if desired.

Peak Capture

Positive or negative; controlled by logic input (see below); selectable "peak defeat" and "backout" thresholds; user-adjustable leak rate

Tare Offset

User-adjustable offset applied and released via logic input (see below)

Hold Command

Applied and released via logic input (see below)

Analog Output (Channel 3)

Selectable ± 0 to 5 VDC, ± 0 to 10 VDC, or 4-20 mA, single-ended; 14-bit resolution; 47-Hz filter; update rate of 20 msec

TTL Logic I/O

Inputs: RELEASE LATCH, TARE, PEAK, HOLD
Output: HAVE PEAK
Nominal 0-5 V, where 5 V = Logic 1 ("true"); ±25 V without damage; noise immunity 1 V; internal pull-down nom. 4.7 kΩ; all inputs assume Logic 0 state in the absence of connection

The following diagram shows how the "PEK" and "HLD" inputs can be independently applied to the 3000PLUS instrument by means of a normally open push button and contact switch (respectively), powered by an external supply of nominal 5-24 VDC.  Similar connections can be made for the other two inputs.  Active TTL logic may also be used to produce the desired logic condition(s).

Relay Logic Outputs

LIMIT HI, LIMIT OK, LIMIT LO
Two for each limit; selectable polarity; 8 A, 250 VAC at full resistive load; switch lifetime at 1 A exceeds 100,000 operations

Communications

Three-wire RS232 at fixed 19,200 baud, 8 data bits, 1 stop bit, no parity; for setup and data transfer

Front-Panel Instrument Indication

Limit status, displayed channel, setup stage, and overrange (flashing display)—see diagram, above

Rear-Panel Module Status Indication

Green/Yellow/Red; indicates conditioner module input and communications status (see 5D Series General Specificationsfor details)

 
 
 
 

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