SG4E Full Rev01.pdf - Datasensor

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7 SG4-E INSTRUCTION MANUAL BCM Configuration (TX side): Reduction Range Long Short Led 3 ON Yellow Led 3 OFF ACM Configuration (RX side) : Reduction Range In particular, if long range is selected TX and RX can be mounted at the maximum allowed operating distance; short range is indicated in those cases in which multiple couples of light curtains have to be mounted near and no code can be used. Next tables resume, for both resolution, the different operating distances when the reduction range is changed. 30mm resolution RX long range RX short range TX long range 20 6 TX short range 12 4 14mm resolution RX long range RX short range TX long range 7 2 TX short range 4 1 38
FUNCTIONS 7 7.7 MUTING Muting function allows automatic deactivation of the safety function on the whole or part of protected height in order to carry out definite cyclical operations without blocking machine work. As the pertaining safety requirements demand, ESPE is equipped with two muting activation inputs, MUTING1 and MUTING2. The Muting sensors must be able to recognise the passing material (pallets, vehicles, …) according to material’s length and speed. In case of different transport speeds in the Muting area, it is necessary to consider their effect on the total Muting duration. The Muting function excludes the light curtain during functioning, maintaining active the OSSDs’ outputs, according to particular operating requirements (Fig. 39). L-shaped version with integrated Muting sensors for unidirectional Muting T-shaped version with integrated Muting sensors for bidirectional Muting Linear version with external Muting sensors Fig. 39 – Examples of muting application The safety light curtain is equipped with two inputs (MUTING1 and MUTING2) for the activation of this function, according to the current Standards. This function is particularly suitable when an object, but not a person, has to pass through the dangerous area, under certain conditions. It is important to remember that the Muting function represents a forced condition of the system and therefore has to be used with the necessary precautions. If MUTING1 and MUTING2 inputs are activated by two Muting sensors or actuators, these should be correctly connected and positioned in order to avoid undesired Muting or potentially dangerous conditions for the operator. MUTING1 and MUTING2 can’t be activated simultaneously State of Muting is signalled by an external Muting Lamp (that can be connected to the light curtains with the pin 10 of the M12-12 poles connector) and by some leds on the user interface. When the Muting function is ON the LAMP and the leds begin to blink. During the installation take care to place the lamp in a position as visible as possible. If the external lamp is broken and/or not connected, the Muting request causes a SAFE lockout condition and the corresponding failure is signalled Select carefully the configuration, as a wrong configuration can cause the incorrect functioning of the Muting function and a reduction of the safety level. The Muting sensors must be positioned in such a way that the activation of the Muting function is not possible with the accidental passing of a person. 39
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