Revision 1 – 04.12.2015 7/28
LEGEND
Terminal M1
Pole 1-2 = power supply 12Vac
Terminal M2 – RS485 FOR CONNECTION MASTER/SLAVE – MULTIUNIT
Pole 1 = 0
Pole 2 = D-
Pole 3 = D+
Pole 4 = +15Vdc (As power supply for a Logik option)
Terminal M3
Pole 1-2 = air end temperature probe
Pole 3-4 = pressure transducer (pole 3 = negative – pole 4 = positive)
Terminal M4
Pole 1 = pole 5 of the control phases (GND)
Pole 2 = pole 1 of the control phases (T)
Pole 3 = pole 2 of the control phases (S)
Pole 4 = pole 3 of the control phases (R)
NOTE: THE GND FROM THE CONTROL PHASES UNIT MUST NOT BE CONNECTED TO EARTH.
IT’S THE GROUND OF THE CONTROLLER AND MUST BE CONNECTED TO GROUND OF THE CONTROL PHASES UNIT
Terminal M5
Pole 1 = IN 1 = emergency stop button (L)
Pole 2 = IN 2 = thermal motor (L)
Pole 3 = IN 3 = thermal fan (L)
Pole 4 = IN 4 = remote start/stop (L)
Pole 5 = IN 5 = air filter pressure switch (L)
Pole 6 = IN 6 = separator filter differential pressure switch (L)
Pole 7 = neutral = N
NOTE: the digital inputs you do not use have to be connected directly to 12-24V otherwise they generate the
related alarm, except IN5 that must not be connected in case you do not use it.
Terminal M6
Pole 1 = RL7 = alarm (configurable)
Pole 2 = RL6 = condensate drain solenoid valve (configurable)
Pole 3 = RL5 = fan contactor (configurable)
Pole 4 = RL4 = solenoid valve
Pole 5 = RL3 = star contactor
Pole 6 = RL2 = delta contactor (configurable)
Pole 7 = RL1 = line contactor
Pole 8 = common = 24 ÷ 230Vac
Terminal M7
Pole 1 = IN 7 = settable as door of electrical cabinet open – control phase relay – generic alarm (L)
Pole 2-3 = IN 8 = PTC or Klicson for motor protection
Terminal M8 – RS485 FOR DRIVE CONNECTION
Pole 1 = 0
Pole 2 = D-
Pole 3 = D+
Polo 4 = 2
nd
4/20mA analog input configurable as internal pressure transducer or as analog data coming from the drive:
1. internal pressure transducer: connect to the negative pole of the transducer
2. analog data from drive: connect to a 4/20mA analog output on the drive control board (drive must be set correctly
to give the right information on this output)
Pole 5 = +15V power supply for the internal pressure transducer (first of the above cases): connect to positive pole of the
transducer; not to be connected in case of analog data coming from drive
Terminal M9
These terminals to be connected only to the drive controlled by 4/20mA analog output
Pole 1 = Analog and/or digital GND and DGND from drive
Pole 2 = Inverter fault input, 24Vdc signal coming from drive (normally connected to drive alarm relay)
Pole 3 = 4/20mA analog output computed by Logik26S PID (when activated)
Pole 4 = PNP1 digital output from 24Vdc from drive (when analog output is active this is the run command for the drive)
Pole 5 = PNP2 digital output from 24Vdc from drive (when analog output is active this is the jog command for the drive)
Pole 5 = 24Vdc from drive
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