Hydro:Evolved User Manual
October 2022 ©2022 Smartrise Engineering, Inc. All Rights Reserved Page 15
2.1.8 24 VDC Monitoring System
The monitoring connector is used to monitor the system. All terminals have a corresponding
LED list when active.
CUP and CDN Inputs – Runs the car UP or DOWN using external run box.
MM Terminal – Puts the controller in either the Construction Mode (when the INSPECTION
switch is on) or Test mode (when the INSPECTION switch is off). To activate this input, a jumper
must be installed from 24 VDC to the input.
CEN Terminal – Monitors the status of the enable contact on the external run box during
Construction Mode. This input must be enabled before the CUP and CDN buttons.
Figure 18: 24 VDC Monitoring System Connector
2.1.9 Safety String Inputs 120 VAC
WARNING
ALL CONNECTIONS ON THIS TERMINAL BLOCK ARE HIGH VOLTAGE. DISCONNECT POWER TO
THE CONTROLLER BEFORE WIRING THESE TERMINALS.
This terminal block contains the connections for the controller safety string. Each input is
always monitored (including Construction Mode). The source and termination for all Machine
Room and Hoistway safeties are located on this terminal block.
All terminals have a corresponding LED list when active.
PIT Terminal – Termination for the PIT switch. The primary side of the switch is connected to
H120 and the secondary side is then wired back to the PIT terminal.
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