• Multi-master devices
• Possibility to link up to eight devices
• Possibility to drive and set slave modules through a single keyboard connected to the master unit
• Integrated stepper electronic expansion valve driver
• Internal real-time clock
• Anti-sweat heater management through the dew point value
• Virtual probe management
• RS485 output with ModBus protocol
• Hot Key or Prog tool kit connector for a quick and easy programming

 

FEATURES	XM679K	XM678D
Display: n° digits	on keyboard ± 3 d.p.	on keyboard ± 3 d.p.
Keyboard push buttons	CX660 : 6  T620T : Touch Screen Keyboard	CX660 : 6  T620T : Touch Screen Keyboard
Power supply	110, 230Vac	24Vac
Probe inputs
Defrost	NTC, Pt1000	NTC, Pt1000
Display	NTC, Pt1000	NTC, Pt1000
Thermostat	NTC, Pt1000	NTC, Pt1000
AUX	NTC, Pt1000	NTC, Pt1000
Suction pressure	NTC/Pt1000/4-20mA/0-5V	NTC/Pt1000/4-20mA/0-5V
Condesing pressure	NTC, Pt1000	NTC, Pt1000
Digital inputs
Start defrost, pressure switch, AUX, generic alarm, serious alarm mode, light, ON/OFF, holiday	3 config	3 config
Relay outputs
Compressor	5A	5A
Defrost	16A	16A
Light	8A	8A
Fans	8A	8A
Alarm	8A	8A
AUX	8A	8A
Other
Hot Key / Programming Tool Kit	present	present
Real Time Clock	present	present
Remote display output	X-REP	X-REP
Serial output	RS485 optional	RS485 optional
4-20mA/0-10V output	optional	optional
PWM output	optional	optional
Buzzer	on Keyboard	on Keyboard
Connection kit	XM-FC21	XM-FC26
Valve driver output	ON/OFF up to 30W	stepper

XM679K Advanced multifunction controller for N.T. And L.T.
Ventilated applications with auxiliary and alarm outputs and on/off 

XM678D Advanced multifunction controller for NT and LT
Ventilated applications with stepper valve management