Lenze 8104 - Survelllance and PROTECTIVE Functlons; Voltage Surveillance Current Surveillance

8100_A Technical description
8. SURVElllANCE AND PROTECTIVEFUNCTIONS
71
The inverters of the 8100 series incorporate various protective functions to prevent non-
permissible operating conditions. When a protective function is activated, the inverter
always sets pulse inhibit (lMP). In so me cases, Trip is also set. After the cause of fault is
removed, Trip must be reset. Pulse inhibit is reset automatically. In case of controller
inhibit and Trip, the decimal point of the lED operating display is flashing.
8.1 VOLTAGE SURVElllANCE
8.2 CURRENT SURVElllANCE
Overload * *
Imot>1.6IN
Overcurrent during acceleration * * Imot> 1.61N
Overcurrent during deceleration **
Imot> 1.61N
Short-circuit at motor terminals
two- er three
phase
** only for operating mode TRIP
Overload of digital
output terminals A1...A4
I> 50mA
Lenze
TRIP
Display Operating
(810288)
state display
Electronic supply
Vcc s 12V
G
TRIP
Overvoltage
UG 2: 385V
[EG 0
IMP
Undervoltage
UG s 140V
cm
0
IMP
Ramp
function
generator
stop
GTJ 0
TRIP
GTJ
0
TRIP
8TJ
G
TRIP
GTJ 0
TRIP