4 factory setting – Siemens MICROMASTER 420 User Manual
Page 57
Issue 07/04
3 Functions
MICROMASTER 420 Operating Instructions
6SE6400-5AA00-0BP0
57
3.4 Factory
setting
The MICROMASTER drive unit is shipped from the
plant with a Status Display Panel (SDP, refer to Fig.
3-12). The SDP has two LEDs on the front panel
which display the operating state of the drive inverter
(refer to Section 4.1).
When MICROMASTER is shipped from the plant with
the SDP functioning, it can be operated without any
additional parameterization. In this case, the drive
inverter default settings (which depend on the drive
inverter type / size) match the following data of a 4-
pole motor:
Rated motor power
P0307
Rated motor voltage
P0304
Rated motor current
P0305
Rated motor frequency
P0310
(We recommend a Siemens standard motor.)
Further, the following conditions must be fulfilled:
Control (ON/OFF command) via digital inputs
(refer to Table 3-7)
Setpoint input via analog input 1
P1000 = 2
Induction motor
P0300 = 1
Self-cooled motor
P0335 = 0
Motor overload factor
P0640 = 150 %
Min. frequency
P1080 = 0 Hz
Max. frequency
P1082 = 50 Hz
Ramp-up time
P1120 = 10 s
Ramp-down time
P1121 = 10 s
Linear V/f characteristic
P1300 = 0
Table 3-7
Pre-assignment of the digital inputs
Digital inputs
Terminals
Parameter
Function
Active
Command source
-
P0700 = 2
Terminal strip
Yes
Digital input 1
5
P0701 = 1
ON / OFF1
Yes
Digital input 2
6
P0702 = 12
Reversing
Yes
Digital input 3
7
P0703 = 9
Fault acknowledge
Yes
Digital input 4
Via ADC
P0704 = 0
Digital input disabled
No
Fig. 3-12
Status Display
Panel (SDP)