Do not connect or disconnect electrical components or circuits to the equipment unless power has been switched off or the area is known to be non-hazardous. Page Wiring The Digital Gateway Optional extension cables may be purchased to extend the sensor cable length up to a maximum length of m ft. Remove the connector cap from sc controller. Retain the connector cap to seal the connector opening in case the sensor must be removed. Page 26 The terminal connection is based on the selected network card.
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Do not connect or disconnect electrical components or circuits to the equipment unless power has been switched off or the area is known to be non-hazardous. For Class 1, Division 2 Hazardous Location installations, refer to the Control Drawing Figure 2 on page 8 for permanent connection requirements for the alarm relays. Exposure to some chemicals may degrade the sealing properties of materials used in the following devices: Relays K1, K2, and K3.
Periodic inspection of these devices is recommended to check for degradation. See the sensor manual for relay setup details. User must externally limit current to the relays to 5 Amps by use of a fuse or breaker. Do not use more than one wire in each terminal. The relay connector accepts 18—12 AWG wire as determined by load application. Wire gauge less than 18 AWG is not recommended. The Normally Closed NC and Common relay contacts will be connected when an alarm or other condition is inactive or when power is removed from the controller.
Refer to Figure 16 for connection information. The relay wiring compartment is not designed for voltage connections below these levels. Relays must not be powered from the same wiring used to power the controller. The wiring compartment is not designed for voltage connections above these levels.
Relay must not be powered from the same wiring used to power the controller.
SC200 User Manual (Full and Basic)
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