CLARCOR UAS DPC Посібник користувача - Сторінка 11

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1. Range Adjustments

Revised 10/10

2.1.5 PROGRAMMING

The main menu consists of Set Point 1 Low (SP 1 lo), Set Point 1 High (SP 1 hi), Set Point 2 Low (SP 2 lo), and Set

Point 2 High (SP 2 hi). SP 1 lo and SP 1 hi is the pulse cleaning for the dust collection system with SP1 lo set at 2.5 and

SP 1 hi set at 3.0. Pulse cleaning will activate at 3.0 and deactivate at 2.5. There will be an occurrence in the service

life of the filters in which the pulse cleaning will not recover at SP1 lo of 2.5 requiring a setting revision to Sp 1 lo and

SP 1 hi. A setting revision should be completed in increments of 0.5 during the service life of the filters. The next setting

of SP 1 lo would be 3.0 with SP 1 hi at 3.5. Set Point 2 Low and Set Point 2 High is an alarm range indicating filters will

require a replacement. The filters should only be replaced when process ventilation is unsatisfactory.

Main

2.1.6 OPTI-LINK ™

Opti-link™ is an infrared communications technology

that allows the user to upload and download

program parameters from one unit to another with

a programming key. By using the PK-01 universal

programming key, the user may program one

unit, download those parameters to the universal

programming key and then upload that same program

from the key to other controls. By using a PK-02 lockout

programming key, a user may completely lock (or

unlock) the face keypad of the control to eliminate the

possibility of unwanted tampering of the control.

To download programs from a control to a programming

key, place the key within 1 to 6 inches of the Opti-

Link™ port on the control and hold the two outside

buttons simultaneously until the numeric LED on the

control turns off. The programming key should stay

within the 1 to 6 inch range while the download is in

progress. During the operation, the Process Arch on the

control will give the status of the download. When the

download is complete, the programming key will blink

green twice to indicate the program is stored on the

programming key.

To upload programs from a programming key to a

control, place the key within 1 to 6 inches of the Opti-

Link™ port on the control and hold the center button

until the numeric LED on the control turns off. The

programming key should stay within the 1 to 6 inch

range while the download is in progress. During the

operation, the Process Arch on the control will give the

status of the download. When the upload is complete,

the control will read "yes" to indicate the program has

been successfully uploaded to the control.

2.2 DPM-A2

2.2.1 MODEL NUMBER CONFIGURATION

The DPM-A2 is a microprocessor based digital

pressure gauge for positive, negative and differential

measurement designed to be a direct replacement

for mechanical gauges. The 1⁄2" LCD display gives

VARIABLE

➲ Set Point 1 Low

➲ Set Point 1 High

➲ Set Point 2 Low

➲ Set Point 2 High

CODE

SP1 lo

SP1 hi

SP2 lo

SP2 hi

the gauge improved readability and precision. These

products also feature five user selectable engineering

units including in. w.c., mm w.c., cm w.c., kPa and Pa.

The DPM-A2 also has a "process arch" which gives the

gauge a similar look to mechanical gauges by giving a

continuous percent output status.

2.2.2 SPECIFICATIONS

Maximum Pressure: Ranges ≤ 4" w.c. = 2 PSI;

Ranges ≥ 5" w.c. = 10 PSI

Media compatibility: Air and compatible non-

combustible, non corrosive gasses

Accuracy: - 1.00%

Temperature Ranges:

Compensated: -10° to 140°F (-23° to 60°C)

Operating: -10° to 140°F (-23° to 60°C)

Thermal Effect: +/- 0.02% FS/°F

Output Signal: 4-20 mA (option)

Loop Resistance: 750 Ω Max (for internally sourced

power); 1800 Ω Max (for externally sourced power

of 36 VDC)

Power Supply: Universal 20-240 VAC or VDC

Housing Material: Glass Filled Nylon

Enclosure Rating: Designed to meet NEMA 4X face

Electrical Connections: screw terminals

Response Time: <100 ms

Display: 4 Digit, red LED, 1⁄2" digits;

Process Connection: Push on connection

for 3/16" tubing

Agency Approvals: ETL, CE

Pulse Control Panel

DPM/DPC

SETTING

2.5

3.0

3.5

5.0