SINUS PENTA
GUIDE TO THE
REGENERATIVE APPLICATION
138/
150
5.14.3.
ENABLE (Terminals MDI2 and S)
The
ENABLE
input function is assigned to terminals
ENABLE-A (MDI2)
and
ENABLE-B (S)
(their
connection in series activates the
MDI2(ENAB)
input on the
M033
measure) and it
enables the drive
operation
. It cannot be programmed for any other terminals.
To
enable the drive operation:
- the
ENABLE-A
and
ENABLE-B
inputs must be active, so that the
MDI2(ENAB)
input, displayed under the
M033 measure, is active
- the
MDI2
input must be active on all the active terminal boards (serial line and field bus, see the SINUS
PENTA Programming Guide).
When the
ENABLE-A and ENABLE-B
inputs are active, the drive starts, the DC-bus voltage attains its
reference level and the MDO4 output enables, which activates the motor drive.
When even a single
ENABLE
input is disabled, the drive deactivates, so the DC-bus voltage attains the
rectified mains voltage value.
CAUTION
The drive is disabled as soon as the input signal for
MDI2
(
ENABLE-A
) or
S
(ENABLE-B)
is disabled.
NOTE
When the
ENABLE
is active, C (configuration) parameters cannot be altered.
5.14.4.
RESET (Terminal MDI3)
The
RESET
function is assigned to input terminal
MDI3
. It resets the alarms to unlock the drive and cannot
be programmed for any other terminal.
Reset procedure
Activate the
RESET
input for some time or press the RESET key in the keypad; the drive unlocks only if the
cause responsible for the alarm has disappeared.
NOTE
Factory-setting: when the drive is shut down, this does not reset the alarm tripped,
which is stored to memory and is displayed at next power on to lock the drive.
Perform a reset procedure to unlock the drive.
The alarms stored may be automatically reset at power on by setting special
parameters (please refer to the Autoreset menu in the Sinus Penta Programming
Guide).
DANGER
Electrical shock hazard exists on output terminals (47/+, 49/
–) and on the braking
resistor terminals (47/+, 48/B) even when the drive is locked.
