1. Access TEACH mode.

Method

Action

Result

Push Button2

Press and hold Static (-) for > 2 seconds.

LO and DO: Alternately flash green

Output: On amber (indicating ready to

teach first sensing condition)

Bargraph display: Turns off

Remote Input3

No action required; sensor is ready for the first

sensing condition.

N/A

2. Teach the first sensing condition.

Method

Action

Result

Push Button

a. Present the first sensing condition.

b. Click Static (-).

LO and DO: Alternately flash green

Output: Off (indicating ready to teach the

second sensing condition)

Bargraph display: Remains off

Remote Input

a. Present the first sensing condition.

b. Single-pulse the remote input.

c. Wait at least 8 seconds.

T

3. Teach the second sensing condition.

Method

Action

Result

Push Button

a. Present the second sensing condition.

b. Click Static (-).

Teach Accepted

•

The bargraph display flashes

one segment for three seconds

to indicate relative contrast (see

Table 1 on page 6) .

•

The sensor enters Run mode.

Teach Not Accepted

•

Pairs of bargraph display

segments flash for three

seconds to indicate low

contrast.

•

The sensor returns to TEACH

the first sensing condition.

Remote Input

a. Present the second sensing condition.

b. Single-pulse the remote input.

T

Dynamic TEACH

Dynamic TEACH is used to configure sensitivity during actual sensing conditions, when looking for a mark against its background

condition.

The R58E takes multiple samples of the registration mark against

its background material and automatically positions the threshold

at the optimum level. The registration mark must be presented at

least two times during Dynamic TEACH.

When Dynamic TEACH is used, the Output ON state is the shorter

duration (smaller) event sensed, and LO/DO is set accordingly. To

change the output state, change to either LO or DO in Setup

mode, or pulse the remote line three times.

Sensor positions

threshold midway

between taught conditions

Output OFF

Output ON

Darkest Taught

Condition

Lightest Taught

Condition

Position

adjusted by

Manual Adjust

Figure 6. Dynamic TEACH (Light or Dark Operate, depending on the

sensing condition shown)

Maximum Feed Rate

To optimize performance and to ensure that all LED color and gain combinations are evaluated during Dynamic TEACH, the registration

mark must encompass the 1.2 mm dimension of the 1.2 mm x 3.8 mm sensing image for at least 0.002 seconds. Determine the

maximum feed rate using the following formula:

2 0.04 seconds ≤ “click” ≤ 0.8 seconds

3 0.04 seconds ≤ “T” ≤ 0.8 seconds

P/N 122928 Rev. D

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