The settings on the first receiver then determine trip or latch mode and 1- or 2-channel EDM/aux. output, and this is the
only receiver that requires a reset following a latch condition.
One or more areas within any cascaded EZ-SCREEN sensor pair can be blanked out, just as with other EZ-SCREEN light
screens. Blanking for each sensor pair within a cascade, if required, must be programmed separately. See
on page 35.
8.6.1 Configure for Cascaded Operation
Configure each cascaded system before operating the system in a production environment.
Before configuration, install all emitters and receivers per
on page 62. The last receiver must be terminated either with a terminator plug or by connecting two
closed mechanical contacts (see
Emergency Stop Buttons and Rope/Cable Pulls
WARNING:
• Use a scan code
• If you do not use a scan code, a receiver can synchronize to the signal from the wrong emitter,
reducing the safety function of the light screen and creating an unsafe condition that could result
in serious injury or death.
• Configure adjacent systems to use different scan codes (for example, set one system to use scan
code 1 and the other system to use scan code 2). Perform a trip test to confirm the light screen
function.
Perform the following procedure only on the first receiver in the cascade (closest to the machine interface).
1. From either normal operation or a power OFF condition, set the second and fifth DIP switches (RR and T/L) both to
the left (RR and T position).
2. Set the third and fourth DIP switches (the second T/L and RR) both to the right (L and OFF position). The first and
sixth DIP switches are not part of this process. Do not move them to match this figure.
3. The receiver should be in a lockout condition or the power is off.
• If the power is off, apply power.
• If the receiver is in a lockout condition, perform a valid reset sequence (close the reset switch for 0.25 to 2
seconds, then reopen).
Coming out of lockout or during startup, the DIP switch configuration will be recognized as Cascaded Teach Mode,
indicated by the following:
• The first receiver display shows: For no e-stop connected (“4C,” “3C,” or “2C” on); for an e-stop with closed
contacts (“4CE,” “3CE,” or “2CE” on); or for an e-stop with open contacts (“4CE,” “3CE” or “2CE” flashing)
• The last cascaded receiver display shows: For a terminator connected (“1C” on); for an e-stop with closed
contacts (“1CE” on; or for an e-stop with open contacts (“1CE” flashing)
• All other receivers display “1C” on
• All receiver Zone indicators are off
• All receiver amber reset indicators are off
• All receiver Status indicators are red
4. To enable and exit Cascade Teach Mode, reconfigure the DIP switches for normal operation.
5. Perform a valid reset sequence or cycle the power.
EZ-SCREEN
®
14/30 mm Safety Light Screen
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