RIDGID metal detector Bedienungsanleitung PDF herunterladen (Seite 15)

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15

E-Z Tec Analog Control (E-Z Tec V Only)

• The LED display will provide a visual

indication of the strength of the

detection signal in relation to the

metal size, and is also used to

monitor the phasing–out procedure

used for products that cause false

detection due to the presence of

moisture, salts or additives.

• Sensitivity control allows adjustment

of the detection threshold for

minimum and maximum metal

sensitivities.

• Phase provides the user with control

for adjusting the metal detector for

product effect.

• Travel Time is an adjustment for delay

of the detection signal output. This

will allow time for the detected

contaminant to be positioned at the

downstream reject device (such as, air

blow off, pusher bar, flip gate, etc.).

• Reject Time is a variable adjustment

for extending the reject output signal.

This feature allows the user to adjust

the reject output time from 0 to 10

seconds.

The E-Z Tec Analog Control utilizes a

unique combination of digital circuitry

and solid state amplifiers to process the

received signal. A crystal oscillator

provides a stable reference and drift free

electronics and provides the user with

manual selection of either WIDE ZONE

detection or NARROW ZONE detection.

• Wide Zone detection should only be

used where the incidence of static

discharge from product is contained

or antistatic pipes are used. Static

electricity is a unipolar discharge.

The polarity will either be positive or

negative causing a disturbance on at

least one of the two receiver coils. If

the disturbance is large enough a

false detection could occur.

• Narrow Zone detection will almost

eliminate false detections caused by

static electricity. Narrow Zone

requires each receiver coil to be

disturbed within a given time period,

and if only one coil is affected a

detection will not take place.

• Mechanical Relays include two

individual fused (5 amp) relays with

independent control for various

output functions (reject devices,

alarms, PLC’s, etc.).

SPECIFICATIONS

Power Supply

120V/240V, 48-62 Hz

Fuses

One for the electronic circuitry and one

for each solid state and mechanical relay.

Status Lamps

Yellow: fault

Red: detect

LED Bar Graph Display

Shows power–on status and metal

signal level.

Reject Timing

Variable delay and duration shift

register stores multiple detections for

precise rejection of tramp metal. Clock

pulse input provided for variable

product speeds.

Frequency

Optimized for aperture size and product

to be inspected.

Product Speed

3 fpm to 8000 fpm

(0.02mps to 40 mps)

Output Control

Two mechanical relays. AC or DC,

solid state relays available as an option.

Sensitivity

Detector provides 100 levels at which

metal will be detected.

Phase Control

Can be used to either peak the response

to a particular metal or to suppress the

response to the product under inspection

(1,000 settings available).

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