IDEC FS1A Controller - Manual (Page 3)

Warning
z 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.
z Applicable safety performance is dependent on each system configuration.
z Use a power supply that meets following required specifications:
-Conforms to the power supply rating of SafetyOne
-The primary and secondary circuits are separated by double insulation or reinforced insulation.
-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.
z Ground the V- line (0V DC) for ground diagnosis.
z In the case of a new configuration or modified installation, be sure to perform a check for each
input and output function.
z Implement protective measures that personal, other than safety responsible persons operating
the SafetyOne, are unable to modify the configuration.
z Separate SafetyOne from devices and wires which are not according to class 2 circuit
requirements.