Operating instructions
5. SYSTEM PARAMETERS International English
MICROMASTER 420 Operating Instructions 67
6SE6400-5AA00-0BP0
Parameter
Number
Parameter Name
Min
Max
[Default]
Units
♦
♦♦
♦P0003 User
Access Level
♦
♦♦
♦P0004 Setting
♦
♦♦
♦Changeable
♦
♦♦
♦Status
P1000 Frequency setpoint selection
Selects the frequency setpoint source. In the table of possible settings given below the
main setpoint is selected from the least significant digit i.e., 0 to 6 and any additional
setpoint from the most significant digit i.e., x0 through to x6. For example, setting 12
selects the main setpoint (2) derived from the analog input with the additional setpoint (1)
coming from the keypad.
Single digits are main setpoints only with no additional setpoint.
Additional setpoint
Main setpoint
No additional setpoint
Keypad (Motor pot.) setpoint
Analogue input
Fixed frequency
USS via RS232
USS via RS485
Optional communications board
No main setpoint 0 10 20 30 40 50 60
Keypad (Motor potentiometer) setpoint 1 11 21 31 41 51 61
Analogue Input 2 12 22 32 42 52 62
Fixed frequency 3 13 23 33 43 53 63
USS via RS232 4 14 24 34 44 54 64
USS via RS485 5 15 25 35 45 55 65
Optional communications board 6 16 26 36 46 56 66
The most common settings are:
1 Keypad (Motor potentiometer) setpoint
2 Analog input
3 Fixed frequency setpoint
4 USS via RS232
5 USS via RS485 terminals
Optional Communication Board
Other settings including an additional setpoint can be selected using the table above.
0
66
[2]
-
1
10










