FALCON SG2K-1T Channel module

LVDT/RVDT Inputs If an ac transducer is used for feedback, connect a shielded twisted-pair cable from each LVDT or RVDT secondary to LVDT/RVDT 1A (13 & 14) and LVDT/RVDT 1B(16 & 17). Connect the shields to SHIELD (15 &18). If a redundant ac transducer is used, connect a shielded twisted-pair cable from each LVDT or RVDT secondary to LVDT/RVDT 2A (19 & 20) and LVDT/RVDT 2B (22 & 23). Connect the shields to SHIELD (21 & 24). This input is also used for dc voltage position transducers. Reset Contact Input Connect a shielded twisted-pair cable from a control switch to RESET IN+(25) and RESET IN–(26). Connect the cable shield to SHIELD(27) but do not connect the shield at the switch end. During normal operation the switch is open. Momentarily closing the switch will cause the SPC to reset any alarms or shutdowns.

Shutdown Contact Input 

Connect a shielded twisted-pair cable from a control switch to SHUTDN IN+(28) and SHUTDN IN–(29). Connect the cable shield to SHIELD(30) but do not connect the shield at the switch end. During normal operation the switch is closed. Opening the switch will cause the SPC to disable the Actuator Driver Output. Alarm Status Relay Driver Output Connect a shielded twisted-pair cable from a status relay to ALARM OUT +(31) and ALARM OUT–(32). Connect the cable shield to SHIELD(33) but do not connect the shield at the relay end. The relay driver is energized under normal operation and is de-energized during an alarm condition.

Shutdown Status Relay Driver Output 

Connect a shielded twisted-pair cable from a status relay to SHUTDN OUT+(34) and SHUTDN OUT–(35). Connect the cable shield to SHIELD(36) but do not connect the shield at the relay end. The relay driver is energized under normal operation and is de-energized during a shutdown condition. The Alarm and Shutdown Status Relay Driver Outputs are unpowered. External power must be connected in series with the output and the load.

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