REER-Mosaic Manual

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MODULAR SAFETY INTEGRATED CONTROLLER MOSAIC The OVERRIDE function must be used when the machine stops due to incorrect Muting activation sequences with the material obstructing the guarded opening. This function activates the OSSD outputs making it possible to remove the material that is obstructing the guarded opening. The operator must be connected after the Muting operator (Muting OUTPUT directly to the Override INPUT). The operator permits override of the directly connected Muting Input. Override can be activated only if Muting is not active (INPUT=0) and at least one Muting sensor is occupied (or the light curtain is occupied). Override ends when the light curtain and sensors are cleared and the Output switches to logical "0" (FALSE). Override can be set to pulsed or maintained action mode. This function must be activated maintaining the Override command active (OVERRIDE=1) during all subsequent operations. However, a new Override can be activated, de-activating ad re-activating the command. When the light curtain and sensors are cleared (gap free) or on expiry of the timeout, Override ends without the need for further commands. This function is enabled activating the Override command (OVERRIDE=1). Override ends when the light curtain and sensors are cleared (gap free) or on expiry of the timeout. The function can be restarted only if the Override command is reactivated (OVERRIDE=1). Parameters With sensors occupied: Must be selected with "T" sequential, simultaneous muting; with "L" muting, must not be selected. Otherwise, a Warning is displayed in the compilation phase and in the report. The user must adopt additional safety measures during the Override phase. Conditions to be checked for activation of Override X X - 0 1 1 - X 0 1 1 - X - 0 1 1 X X 0 1 1 English Timeout (sec): Used to set the time, between 10 sec and infinity, by which the Override function must end. Override mode: Used to configure the type of Override (pulsed or maintained action). 130 8540780 • 12/01/2016 • Rev.25
MODULAR SAFETY INTEGRATED CONTROLLER MOSAIC With OverOut: Used to activate an Override active Signaling output (active when high). With Request: Used to activate a Signaling output (active when high) indicating that the Override function can be activated. Manual Reset: Should the INPUT be active (TRUE), the reset enables the output of the function block. Should the INPUT be not active (FALSE), the output of the function block follows the OVERRIDE request. There are two types of reset: Manual and Monitored. When Manual is selected the system only verifies the signal's transition from 0 to 1. If Monitored is selected the double transition from 0 to 1 and then back to 0 is verified. English 8540780 • 12/01/2016 • Rev.25 131
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REER-Mosaic Manual

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