
Shanghai STEP Electric corporation
Table 2.5 Shared technical indexes and specifications of
200V
and
400V
-S3
Inverters, Continued
Speed setting
Digital setting; analog setting, control system setting through CAN
(optional)
Control
Characteristics
Bus operation under low
voltage
At power failure, storage batteries are used to bring the elevator slowly to
level immediately
PG power supply
5V, 8V, 15V, 300mA
Open collector, Push-Pull, differential, SIN/COS, Endat absolute type,
Endat absolute encoder
PG signal
PG
Connection
PG dividing frequency
output
OA and OB orthogonal, dividing frequency coefficient 1
~
128
Analog voltage input
2-way, -10
~
+10VDC or 0
~
+10VDC, precision 0.1%
Analog current input
1-way, 4
~
20mA, precision 0.1%
Model and S
pecification
Analog voltage output
2-way, -10
~
+10VDC, precision 0.1%
Photocoupler isolation
input
12-way: forward rotation; backward rotation; running signal; exterior fault;
fault reset; multi speed (1/2/3); multi-function (1/2/3/4)
Open collector output
3-way, outputs are optional
Programmable relay
output
1-way, NO contact; contact capacity: resistance, 5A 250VAC or 5A
30VDC
Programmable relay
output
2-way, NO and NC contacts, contact capacity: resistance, 5A 250VAC or
5A 30VDC
Control
Input/Output
Signal
CAN communication
terminal
1-way
RS232 communication
terminal
1-way, for operator
Zero speed to 130%, <3Hz when 150%,> 3Hz 185% when
Motor overload protection
Inverter overload
Zero speed to 130%, <3Hz when 150%,> 3Hz 185% when
Over-current
Zero speed to 130%, <3Hz when 150%,> 3Hz 185% when
Short-circuit protection
Protection of the Inverter when over-current is caused by short circuit of
any two phases at the output side
Fuse protection
Fuse will be broken off to protect the Inverter
Phase-loss protection
When one phase is lost during running, the circuit will be switched off to
protect the Inverter
Over-voltage threshold
410 V on bus (200V series), 810 V (400V series)
Under-voltage threshold
190 V on bus (200V series), 380 V (400V series)
Instantaneous power loss
compensation
Protection above 15 ms
Over-heated of radiation
fins
Protection through thermistor
Speed deviation
protection
Protection against speed deviation over 20% of the rated value
Protection
Functions
Encoder fault
Wire broken off or phase mistake of PG card
2-
4