Overview, System operation, Ez-screen cascade diagnostics – Banner EZ-SCREEN­ Safety Light Curtain Systems User Manual

Page 47: Status indicators for cascaded applications

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P/N 133487

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Banner Engineering Corp.

Minneapolis, U.S.A.

www.bannerengineering.com

Tel: 763.544.3164

Overview

45

Banner Engineering Corp.

Minneapolis, U.S.A.

www.bannerengineering.com

Tel: 763.544.3164

EZ-SCREEN

Instruction Manual

System Operation

Figure 4-7. Cascade indicator status conditions

EZ-SCREEN Cascade Diagnostics

Condition

OSSDs

Display

Reset

Indicator

Status

Indicator

Receiver #1 (Master)
Clear

ON

L

ON

Green

CSSI Stop

(Receiver

#2, 3, or 4 is blocked)

OFF

| |

ON

Red

Latch

OFF

L

Flashing

Red

Receiver #2, 3, or 4
Clear

ON

ON

Green

Blocked

OFF

# Beams blocked

ON

Red

CSSI Stop

(Receiver

upstream is blocked)

OFF

| |

ON

Red

Cleared

ON

ON

Green

Status Indicators for Cascaded Applications

When multiple light screens are cascaded, some

unique indications may occur, as indicated in

Figure 4-7 and in the table at right.
When a receiver’s CSSI input is in a Stop

condition (because of a blocked light screen

further upstream in the cascade, or because of a

Stop signal from an E-stop button, for example),

the display on the downstream receivers, including

the master receiver, will be bracketed by a pair

of vertical “goalposts.” See Section 5.1.1 for an

illustration.

Config: Trip
Display: ―
OSSDs: ON
Reset: ON
Status: Green

Cascade Powered Up

Clear

Object is Blocking

Light Screen #4

Object is Blocking

Light Screen #3

Object Has Been Removed;

Cascade is Waiting for Reset

Config: Latch
Display:│- - -│
OSSDs: OFF
Reset: ON
Status: Red

Config: Latch
Display:│- - -│
OSSDs: OFF
Reset: ON
Status: Red

Config: Trip
Display:│- - -│
OSSDs: OFF
Reset: ON
Status: Red

Config: Latch
Display: L
OSSDs: OFF
Reset: Flashing*
Status: Red

Config: Trip
Display: ―
OSSDs: ON
Reset: ON
Status: Green

Config: Trip
Display: ―
OSSDs: ON
Reset: ON
Status: Green

Config: Trip
Display:│- - -│
OSSDs: OFF
Reset: ON
Status: Red

Config: Trip
Display:│- - -│
OSSDs: OFF
Reset: ON
Status: Red

Config: Trip
Display: ―
OSSDs: ON
Reset: ON
Status: Green

Config: Trip
Display: # beams

blocked

OSSDs: OFF
Reset: ON
Status: Red

Config: Trip
Display: ―
OSSDs: ON
Reset: ON
Status: Green

Config: Trip
Display: # beams

blocked

OSSDs: OFF
Reset: ON
Status: Red

Config: Latch
Display: L
OSSDs: ON
Reset: ON
Status: Green

Config: Trip
Display: ―
OSSDs: ON
Reset: ON
Status: Green

Config: Trip
Display: ―
OSSDs: ON
Reset: ON
Status: Green

* Waiting for reset

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