Overview, Installation and alignment, 4 trip test – Banner EZ-SCREEN­ Safety Light Curtain Systems User Manual

Page 35

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P/N 133487

33

Banner Engineering Corp.

Minneapolis, U.S.A.

www.bannerengineering.com

Tel: 763.544.3164

Overview

33

Banner Engineering Corp.

Minneapolis, U.S.A.

www.bannerengineering.com

Tel: 763.544.3164

EZ-SCREEN

Instruction Manual

Installation and Alignment

Figure 3-14. DIP switch configuration to teach fixed blanking

8. To teach the blanked beams, simply re-configure DIP

switches for normal operation (see Figure 4-1). Verify that

only the objects to be blanked are interrupting the defined

area. A lockout will occur if an object is moved or removed

after teaching.

9. Receiver indicates:

• Display: PFC ON solid (PFC = Program Fixed Blanking

Complete)

• Zone indicators flash approximate location of fixed

blanked area programmed

• Reset indicator single-flashing Yellow

• Status indicator single-flashing Red

10. Perform a valid reset sequence (see Step 4) or cycle power.
11. To disable fixed blanking, follow this same procedure, but

remove all objects not to be blanked at Step 6.

With Power ON:

1. Position object(s) in the defined area.
2. Set RR and T/L switches as shown (do

not change SC2/SC1 or E1/E2 switch

positions).

3. Press the Reset button or cycle power.
4. Reconfigure DIP switches for normal

operation.

5. Press the Rest button or cycle power.
NO TE: If the EDM wiring does not match the

switch position shown (E2), an EDM error

occurs and fixed blanking or cascade

configuration will not be allowed.

3.4.4 Trip Test

After optimizing the optical alignment and configuring fixed

blanking and Reduced Resolution (if applicable), perform the

trip test to verify the detection capability of the EZ-SCREEN

System. This test will also verify correct sensor orientation

(Section 3.1.5), identify optical short circuits (Section 3.1.6), and

verify the expected resolution for applications using Reduced

Resolution (Section 3.4.2). Once the installation has passed

the trip test, the safety outputs may be connected and the

commissioning checkout may be performed (initial installations

only).

1. Select the proper test piece (see table above), supplied with

the receiver.

2. Verify that the EZ-SCREEN is in RUN mode with the Green

Status indicator ON (or flashing if Reduced Resolution is

enabled), all Zone indicators are Green, and the Yellow

Status indicator ON. A manual reset may be required in Latch

mode (see Sections 4.2 and 4.3).

3. Pass the specified test piece through the defined area in

three paths: near the emitter, near the receiver, and midway

between the emitter and receiver (Figure 3-15).

4. During each pass, while the test piece is interrupting the

defined area, at least one Zone indicator must be Red. The

Red Zone indicator must change with the position of the

test piece within the defined area.

Trip Output Operation: The Status indicator must turn Red

and remain Red for as long as the test piece remains in the

defined area. If not, the installation has failed the trip test.

Latch Output Operation: The Status indicator must turn

Red and remain Red. The Yellow Reset indicator must

remain ON steady. If the Reset indicator begins to flash

at any time while the test piece is interrupting the defined

area, the installation has failed the trip test.

Appropriate Test Pieces for Trip Test

Reduced

Resolution

14 mm Resolution

Models

30 mm Resolution

Models

OFF

14 mm (0.55") dia.

Model STP-13

30 mm (1.18") dia.

Model STP-14

ON (2-beam)

30 mm (1.18") dia.

Model STP-14

60 mm (2.36") dia.

Model STP-15

Cascaded systems: To test a cascaded system, each light

screen must be tested individually, while monitoring the status

indicator on the first receiver in the cascade.

Figure 3-15. EZ-SCREEN trip test

Trip Test with Corner Mirror

Receiver

Emitter

Test Piece

Receiver

Emitter

Mirror #1

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