Siemens Midimaster Eco - Page 73

ECO REFERENCE MANUAL
11-8
EG
EXAMPLE 8
MCC PANEL FIXED FREQUENCIES/REMOTE ANALOG (BMS) SELECTION
A fan is to be speed controlled locally, using a fixed speed selector switch on the motor control
panel to provide 3 fixed frequency output signals, or, remotely using an external 0 - 10V DC
speed setting signal. The local or remote control is set via a keyswitch on the motor control
panel. An additional run/stop contact is provided within the motor control panel.
All settings based on factory settings with the following exceptions :
PARAMETER CHANGES FROM FACTORY DEFAULTS
SETTING DESCRIPTION
P005 = 0 TUNE INTERNAL SETPOINT TO 0Hz
P006 = 2 SELECT FIXED FREQUENCIES
P007 = 0 SELECT RUN/STOP VIA DIGITAL INPUT TERMINALS
P041 = 10 FIXED FREQUENCY 1 = 10Hz
P042 = 30 FIXED FREQUENCY 2 = 30Hz
P047 = 50 FIXED FREQUENCY 6 = 50Hz
P053 = 13 SELECT BETWEEN ANALOG AND DIGITAL INPUTS
P054 = 6 FIXED FREQUENCY 2 (P042) TERMINAL 8
P055 = 6 FIXED FREQUENCY 1 (P041) TERMINAL 16
P356 = 6 FIXED FREQUENCY 6 (P047) TERMINAL 17
20
3
4
2
5
9
7
VUW
FUSES
M
E
MICROMASTER Eco
MIDIMASTER Eco
MOTOR CONTROL PANEL
FAULT CONTACT
CLOSED = HEALTHY
19
MAIN CONTACTOR
8
0-10V DC
D
B
A
C
16
17
(MCC)
(BMS)
BUILDING MANAGEMENT SYSTEM
+
-
DIP SWITCHES
L1
L2
L3
N
PE
L1 L2 L3
ITEM DESCRIPTION
A RUN/STOP COMMAND FROM BMS
B 0 -10V DC SPEED SETTING SIGNAL FROM BMS
C KEYSWITCH LOCAL/BMS SELECTION
D LOCAL RUN/STOP CONTACTS WITHIN MCC
E LOCAL FIXED SPEED SELECTOR SWITCHES