Dwyer DCT1000 User Manual download pdf (Page 8)

Still need help? Please feel free to contact one of our customer service representatives at 219-879-8000 or visit us

on the web at www.dwyer-inst.com or www.dust-controls.com. Thank you for choosing Dwyer Instruments.

4.0 Glossary of Terms

• Run Mode: The term used when the timer board is firing the sole-

noids.

• Pressure Module: The pressure measurement subsystem that

includes the software and hardware for on-demand cleaning, alarms

and signal retransmission of the process variable (i.e., the differential

pressure across the dust bags).

• Master Controller: The primary timer board that contains all of the

major features, connections for external inputs and power to drive the

DCT1000 Dust Collector Timer Controller system.

• Power Guard: A plastic shield that covers the output triacs and

other line voltage circuitry.

• Demand Cycle Mode: A process in which the run mode is enabled

through the on-board pressure module or an external switch such as

the Dwyer Photohelic

• Euro Connector: A “caged” connection used to terminate sole-

noids, incoming power, or external switches on the DCT1000.

• Continuous Cycle Mode: A time based cycling mode dependent

on solenoid time on/off settings and time set between complete cycles.

• Manual Override: Allows the user to override the DCT1000 remote-

ly or from the master controller panel through use of a switch or a wire

jumper.

• Slave Board: A channel expander that is used in conjunction with

the master controller to accommodate additional solenoids on larger

dust collection systems. It can be recognized easily as it does not have

the on-board display panel or the power supply present. A master con-

troller may also be used as a slave board.

Display Meaning Action Required

This is a “watchdog” reset

that is enabled when the

master controller isn’t able

to cycle through its opera-

tion.

The pressure module has

failed to respond to the

request of the master

controller.

Communication error in

the daisy chain interface.

This will only appear

when the master con-

troller is used in conjunc-

tion with a slave board.

The master controller has

detected a change in

module configuration or a

fault in one of the mod-

ules.

If the fault described in

“Err 4” is not corrected,

the master controller will

reconfigure the modules

that are responding prop-

erly and operate at a

degraded condition.

A message error affecting

the software of the mas-

ter controller or one of its

modules.

Indicates that one of the

triac drivers are not func-

tioning.

Internal Error.

Unassigned message

code.

Make sure all electrical con-

nections are appropriately

shielded so the master

controller is not disrupted

by noise.

The master controller will

try to recover from the fault.

If unsuccessful, replace the

pressure module.

Make sure the control cable

used in the daisy chain

interface is properly shield-

ed from noise.

Reinstall all modules in

accordance with the

instructions in the factory

IOM.

Reinstall all modules.

Contact factory if the prob-

lem persists.

Check the integrity of all

connecting cables used to

drive slave boards for addi-

tional solenoids. Also

check the electrical ground-

ing of the system installa-

tion.

Return to factory for evalu-

ation and repair.

Contact the factory.

Err 1

Err 2

Err 3

Err 4

Err 5

Err 6

Err 7

Err 8

Err 9

DWYER INSTRUMENTS, INC.

Phone: 219/879-8000 www.dwyer-inst.com

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361, U.S.A. Fax: 219/872-9057 e-mail: info@dwyer-inst.com

3.5 Error Codes

Error codes will be displayed on the three-digit display when cer-

tain faults occur. Most of these indicators are associated with the

daisy chain communication, but certain error codes pertain to sin-

gle board operation also. These codes are:

Bulletin E-97

E-97:E-97 7/15/09 8:35 AM Page 8

1 2 3 4 5 6 7 8

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Dwyer DCT1000 User Manual Page 8

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