F39-TGR-CVL-B-2-R datasheet(29/98 Pages) OMRON

29 / 98 page

Fixed Blanking

Section 5-1

5-1-1

Selecting Fixed Blanking with selector switches

To use Fixed Blanking, the operator enables the option using the selector

switches. A new Fixed Blanking pattern is recorded when the MS4800

receiver is in MACHINE STOP, the blanking function is active and the Program

function is activated. If the Fixed Blanking feature is disabled, the stored pro-

tected zone patterns are cleared.

The obstruction is placed

within the detection zone

and the receiver goes to

MACHINE STOP state.

An authorized user then

sets the selector switches

in the receiver endcap to

select Fixed Blanking En-

able. The MS4800 enters

a fault state and power is

cycled or the Start switch is activated to clear the fault. When the receiver

powers up it will be in Fixed Blanking mode with the red and amber LEDs

lit.

The authorized user then

enables

the

Program

switch

setting

both

Fixed Blanking switches to

the off position and then

both to the on position.

When

the

first

Fixed

Blanking switch is flipped,

the red LED begins flash-

ing at a rate of 3Hz. When

the final Fixed Blanking

switch is flipped, both the red and amber LEDs and the IBIs (Individual

Beam Indicators) of the blocked beams start flashing to indicate the Pro-

gram switch is enabled. The authorized user has 10 minutes to complete

the programming of a pattern.

To program a pattern, the

authorized user must flip

(off/on or on/off) the Pro-

gram switch once. Once

pattern is programmed the

yellow LED (INTERLOCK)

turns

on.

During

minute period, the user

may program as many

times as needed, allowing

for

adjustment

the

placement of the obstruction.

IBIs of blocked

beams are On.

Amber LED turns on to indicate

in Fixed Blanking mode.

IBIs of blocked

beams flash.

Red and amber LEDs and IBIs

flash to indicate the

Program switch is active.

off

SWA

SWB

IBIs of blocked

beams flash.

Yellow LED turns on to indicate

the pattern has been programmed

and the Start button is active.

Flip

SWA

SWB

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