GUIDE TO THE
REGENERATIVE APPLICATION
SINUS PENTA
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5.14.
Digital Inputs Menu
5.14.1.
Overview
The parameters contained in the Digital Inputs menu allocate particular digital control functions to each
digital input on the terminal board. Each parameter implements a particular function, which is assigned to a
given terminal on the terminal board.
5.14.2.
Factory Setting of the Digital Inputs
Function
Terminal
Description
Not used
MDI1
ENABLE A
MDI2
Enables the Penta drive together with ENABLE B.
RESET
MDI3
Resets the alarms tripped.
Status of the NO auxiliary contact of
the pre-charge contactor
MDI4
Indicates the pre-charge contactor closure; if no
closure signal is sent, the drive run is disabled
(Alarm
A058
).
Status of the NC auxiliary contact of
the thermal/magnetic circuit breaker
for the filter capacitors
MDI5
If open, it indicates that the thermal/magnetic CB
tripped (alarm A059).
Not enabled
MDI6
Not enabled
MDI7
Not enabled
MDI8
Table 29: Factory-setting of the terminal board
Some functions cannot be programmed, but are assigned to given terminals:
Function
Terminal
ENABLE A
MDI2
RESET
MDI3
External pre-charge status
MDI4
Filter capacitor status
MDI5
Table 30: Unprogrammable functions
Function
Terminal
External alarm 1
MDI6 ÷ MDI8
External alarm 2
MDI6 ÷ MDI8
External alarm 3
MDI6 ÷ MDI8
Table 31: Programmable functions
