Rockwell Automation Publication 825-UM004D-EN-P - November 2012 99
Configuring Protection & Logic Functions Chapter 6
Input I/O
The 825-P provides the ability to assign a control function to each control input.
Table 44 shows the available control functions and the method of assigning them.
When a control input is asserted, the 825-P performs the control action assigned
to the input. The control action of each of the available functions is described
below:
Table 44 - Input Assignments
Setting Prompt 0123456701Description
IN# X Emergency Start
X Disable Settings
XTrip Reset
XTimer 1
XTimer 2
XSpeed Switch
X Block Protection
XSpeed 2
X Breaker/Contactor Auxiliary
X Remote Trip
NOTE: The 825-P allows one control function to an input and one input to a control function (see
Table 5).
NOTE: In addition to setting an Input Assignment, you must connect a control contact to the input
(see Figure 16 for a typical connection diagram).
Table 45 - Control Actions
Function Control Action
Emergency Start Overrides all active start inhibits, clears the % TCU to zero and immediately
initiates a motor start.
Disable Settings Disables all settings changes from the front panel, serial port, and DeviceNet
network; when this input is asserted, you can view the settings but you cannot
change them. Disables the Test/Reset push button function.
Trip Reset Resets the Trip output and front-panel Trip LED, provided there is no trip condition
present (including start inhibit lockouts).
TIMER1 (Timer 1 Input) Provides input to Timer1 Function (see Figure 33 for more details.
TIMER2 (Timer 2 Input) Provides input to Timer2 Function (see Figure 33 for more details).
Speed Switch Provides input to Speed Switch Protection Function. See Speed Switch (Stalling
During Start) on page82 for more details.
Block Protection Inhibits selected protection functions when the input is asserted. See Table 37 for
more details.
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