The new Universal Rate/Totalizer Batch Controller may be used to display rate and total as well as provide simple automatic or manual batch control. Models are available for analog inputs such as pulse, open collector or switch closures. These meters feature a full six digit display, programmable time base of second, minute and hour, as well as a user programmable multiplier out to five decimal points. They also provide 24 VDC excitation for analog inputs and up to 50 mA for frequency/pulse inputs.

• Display
: 6 digit, 0.56" (14.2 mm) high efficiency red LED. Rate: 0 to 29,999 (0) with selectable extra zero. Total: 0 to 999,999. Automatic lead zero blanking.
• Power
: 115 VAC or 230 VAC +/- 10%, 50/60 Hz, 10 VA.

NEW 18-36 VDC POWERED
The PD692 Universal Rate/Totalizer can now be powered from 18-86 Vdc. This new option provides up to 500 Vdc of isolation. All the features and options available on the AC powered meters are available on the DC powered meters.

Note: 18-86 VDC powered meters are not UL listed.

• Totalizer
: Calculates total based on : time factor of seconds, minutes, or hours, field programmable multiplier, and decimal point to display total in any engineering unit.
• Total Reset
: Via front panel ENTER button, external contact closure at terminals RST and COM, or automatically via user selectable set point #2 value.
• Memory
: EEPROM, last stored total value and all settings stored for 10 years if power is lost.
• Peak Hold
: Captures the peak rate and displays it via the front panel ENTER button.
• Peak Hold Indication
: Front panel flashing "R" LED.
• Low Flow Cutoff
: 1 count to 100% F.S., user selectable. To disable low flow cutoff, program cutoff value to zero.
• Roll Over
: Totalizer "rolls over" when display exceeds 999,999. Relay status reflects display.
• Lockout
: Jumper J3 at rear of instrument restricts modification of calibration values.
• Environmental
: Operating temperature range: 0 to + 65 deg C.
• Storage Temperature Range
: -40 to +85 deg
• Front Panel
: NEMA 4X,panel gasket provided.
• Enclosure
: 1/8 DIN, high impact plastic, UL 94V-0.
• Connections
: Removable screw terminal block (provided).
• Warranty
: 1 year parts & labor.
• New features:

Alternating Rate/Total Display
Now can be programmed so the display automatically changes between displaying rate and total every 10 seconds. This feature is particularly useful if the totalizer is mounted inside a NEMA 4X or explosion-proof enclosure.

Priority Batch Programming
Customers who are changing their hatch presets frequently have requested a quick way (without going into the main menu) to access only the batch preset values. Now, when they hold the ENTER button for '3 seconds, the display jumps right to the first batch preset value. After this preset value is programmed, the second hatch preset value appears. After it is programmed. the display returns to the process reading

Auto Batch Preset Tracking
Customers with batch control applications have also requested that they be able to program relay 01 so that it always trips at a programmed offset value before relay #2 trips. With this feature, a customer who is filling barrels of different volume need only change the value for relay 42 each time he fills a different size barrel. The meter will automatically adjust the preset value for relay #1 so it trips at the desired offset value below relay#2. For instance, say the customer is filling a 100 gallon barrel and the offset value is set at 5, relay # 1 will trip at 95 gallons. If relay #2 preset value is changed to 200 gallons, then delay #1 will automatically trip at 195 gallons

Programmable Relay Delay
A delay of between 1 and 999 seconds can be programmed between the time when preset value #2 is reached and when relays #1 and 02 reset. Previously, this was a fixed value of 10 seconds. This feature is only available on the PD693

Enhanced Lockout Capabilities
Customers have requested that they be able to disable certain menu titles that they don't want to appear during the normal menu scan. Customers have also requested that certain menu titles and the current programmed-value for these titles appear- but their ability to be changed be restricted. At the same time, they want a supervisor to be able to quickly and easily make changes. These requests led us to design a lockout scheme that protects more against accidental changes in programming or resetting, rather than deliberate ones.

Our lockout protects against the casual button-pusher but allows a supervisor to make changes from the front panel without having to remember a security password, or remove a lockout jumper at the rear of the instrument.

For more information on how the Menu-title disabling and Enhanced Lockout Capabilities work request "Totalizer Lockout Application Note".

K-factor Programming

The PD693 uses K-factor programming for easy one-step calibration. To calibrate the meter simply input the K-factor, which represents the number of pulses per some engineering unit. Next the customer programs the Time Base, which is the time units (second, minute, hour) in which the rate is displayed. And finally, the Totalizer Conversion Factor which allows the total to be displayed in any engineering unit, regardless of how the rate is displayed. Some customers prefer our two-point calibration method because it allows them to program a "zero" offset. This feature is a special order.

• Analog Inputs
: Field selectable: 4-20 mA, 0-20 mA, 0-5 V, 1-5 V, 0-10 V.
• Calibration
: May be calibrated using internal calibration (I-CAL) or by applying an external calibration signal (E-CAL).
• Calibration Range
: 4 mA (1V) input may be set anywhere in range of thr meter. 20 mA (5V) may be set anywhere above or below 4 mA input.
• Loop Power
: Isolated, up to 20 mA at 24VDC regulated +/-5% , noise less than 10 mVp-p. Max. loop resistance of 1200 ohm. Use to power either external transmitter or 4-20 mA output signal.
• Linear input accuracy
: 0.05% of calibrated span , +/- 1 count.
• Square root extraction accuracy
: +/- 0.1% F.S. +/- count from 10-100% of flow, +/- 1% (0-10% flow).
• Minimum input span
: 1.6 mA between points.
• Input impedance
: Voltage ranges, greater than 300 Kohm; current ranges, 100 ohm.

• Frequency Inputs
: Field selectable: Pulse or Square wave 0-5 V or 0-12 V @ 30 kHz; TTL; Open Collector 4.7 Kohm pull-up to 12V @ 30 kHz; Switch Contact 4.7 Kohm pull-up to 12V @ 40 Hz.
• Calibration
: Maybe calibrated using internal calibration (I-CAL) or by applying an external calibration signal (E-CAL).
• Output power: Field selectable, isolated, 12 VDC @ 50 mA for sensor supply, or 24 VDC @ 20 mA regulated +/- 5%, noise less than 10 mVpp. Max. loop resistance of 1200 ohm.
• Accuracy
: +/- 0.1% of full scale.
• Minimum input span
: 2.0 hz between points.
• Input impedance
: Pulse input: Greater than 300 Kohm @ 1 kHz. Open Collector/Switch Input: 4.7 Kohm pull-up resistor to 12V.

• Rating
: 2 or 4 relays; 2 amp SPDT (form C). The contacts are rated 2 Amp @ 30 VDC or 2 amp @ 250 VAC resistive load; 1/14 HP @ 125/250 VAC inductive load.
• Totalizer Relays
:2,
• Relays #1 and #2 are assigned to total and may be programmed anywhere in the range of the meter; relays trip when total exceeds set point and reset when total reset to zero.#2 set point is user programmable to reset total to zero when set point is reached, a 10 second delay will occur before relay #1 are reset.
• Rate Relays
: 2, #3 and #4 assigned to rate, any combination of high or low alarm points.
• Rate Alarm Point Dead-band
: 0-100% of full scale, user selectable
• Rate relay Reset
: User selectable relay #3 and #4
• Automatically when the input passes the reset point.
• Automatically + manually (via user supplied external contact closure at terminals ACK and COM, or front panel ACK button). Manual reset resets all manually reset-able relays.
• Fail-safe Operation
: The relay coils are energized in the non-alarm condition. In the case of a power failure, the relays will go to the alarm state.
• Auto Initialization
: When power is applied to the meter, relay #1 and #2 will reflect the state of the accumulated Total value in memory, relays #3 and #4 will reflect the state of the input to the meter.

• Calibration Range
: Anywhere in range of meter, 501 count minimum span.
• Output Loop Resistance
: 1500 ohms max. using a 35 V external power supply. 500 ohms max. using the built-in loop power supply. Built-in loop power supply available for either 4-20 mA output or signal input, but not both.
• Accuracy
: +/-0.1% F.S. +/- .004 mA
• Isolation
: 500 VDC or peak AC, input-to-output or input/output-to-power line.
• External Loop Power Supply
: 35 V max.
• 

bookmark this page

3209 W.9th street Lawrence, KS 66049 USA

phone (785) 841 3089 FAX (785) 841 0434 E-mail inform@xtronics.com WEB http://www.xtronics.com

Corporate information and privacy statement
(C) Copyright 1994-2006, Transtronics, Inc. All rights reserved
Transtronics® is a registered trademark of Transtronics, Inc.