Siemens Midimaster Eco - Page 68

ECO REFERENCE MANUAL
11-3
EG
EXAMPLE 3.
FIXED SPEEDS VIA TERMINAL RAIL
A fan is to be run at 3 fixed speeds using digital inputs to control the speed setting
All settings based on factory settings with the following exceptions :
PARAMETER CHANGES FROM FACTORY DEFAULTS
SETTING DESCRIPTION
P006 = 2 SELECT FIXED FREQUENCIES FROM TERMINALS
P007 = 0 SELECT RUN/STOP FROM TERMINALS
P053 = 18 FIXED FREQUENCY 3 (P043) TERMINAL 7
P054 = 18 FIXED FREQUENCY 2 (P042) TERMINAL 8
P055 = 18 FIXED FREQUENCY 1 (P041) TERMINAL 16
P041 = 50 FIXED FREQUENCY 1 = 50 Hz
P042 = 40 FIXED FREQUENCY 2 = 40 Hz
P043 = 20 FIXED FREQUENCY 3 = 20 Hz
VUW
FUSES
M
MICROMASTER Eco
MIDIMASTER Eco
FAULT CONTACT
CLOSED = HEALTHY
MAIN CONTACTOR
C
B
A
SPEED SELECTOR SWITCH
OR
(BMS)
L1 L2 L3
20
9
7
8
16
19
L1
L2
L3
N
PE
BUILDING MANAGEMENT SYSTEMS
DIP SWITCHES
(NOT REQUIRED)
ITEM DESCRIPTION
A SWITCH - RUN AT 20Hz
B SWITCH - RUN AT 40Hz
C SWITCH - RUN AT 50Hz