IDEC FS1A Controller User Manual
Page 4
Warning
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Calculate respective safety distances, taking into consideration the response time of the
SafetyOne, safety devices to be connected to the SafetyOne, and each other device that forms a
part of the system configuration.
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Applicable safety performance is dependent on each system configuration.
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Use a power supply that meets following required specifications:
-Conforms to the power supply rating of SafetyOne.
-Complies with the SELV/ PELV circuit specified by EN 50178 or EN60950.
-Has the functionality or the functional equivalent of the control voltage and current of class 2
circuit, as defined in UL508 or UL1310.
-Is in compliance with safety laws and regulations relating to electrical safety, EMC, and like under
the laws and regulations of the country in which it is being used.
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Ground the V- line (0V DC) for ground diagnosis.
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In the case of a new configuration or modified installation, be sure to perform a check for each
input and output function.
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Implement protective measures that personal, other than safety responsible persons operating
the SafetyOne, are unable to modify the configuration.
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Separate SafetyOne from devices and wires which are not in accordance with class 2 circuit
requirements.