Morningstar Relay Driver

 

Morningstar’s Relay Driver is a logic module which provides high level system control functions such as high/low voltage alarms, load control and generator start. The product controls four independent relay driver outputs by reading digital data inputs from Morningstar’s TriStar controller or by reading battery voltage when used in systems with other controllers.

 

Typical Functions

 

• High and Low Alarm Contacts for Industrial Applications
• Load Control Including High Power Applications (pumps and large motors)
• Temperature Controlled Settings for Battery Fans or Cooling Vents
• Generator Start Functions
• Auxiliary AC Backup Charge Control

Data Control Input Options

 

Connected to a Trista Controller
Battery voltage, charge/load current, battery temperature, TriStar heatsink temperature, PWM duty cycle, PV/load voltage, and all TriStar alarms or faults.

 

Used in Systems with Other Controllers:
Battery voltage, Relay Driver temperature, input voltages from other sources.

 

Key Features and Benefits

 

Cost Effective
The four channels provide up to four high level system control functions at a lower cost compared to other alarm and generator start packages.

 

High Reliability
Each channel has complete electronic protections for high reliability

 

Flexibility
The system designer may choose the exact relay needed for each application including a wide range of current ratings and solid state, mechanical or mercury displacement relays.

 

Fully Programmable
It is easy to program the Relay Driver with the included PC software via serial RS-232 port connection. Data is stored in non-volatile memory. The Relay Driver is pre-programmed with four commonly used settings.

 

Advanced Generator Control
Provides flexible parameters to control one, two or three-wire generator schemes and complete control of preheat, crank, ignition and cool-down.

 

Industrial Design
Each relay driver output may be controlled directly by MODBUS commands via the RS-232 for use with PLC’s and other industrial hardware. Mounts to a DIN rail or a flat surface.

 

LED Indicators
Displays power and status of each channel as well as faults and data sampling intervals.

 

Technical Specifications

 

Electrical Characteristics
System voltage	12V to 48 V *
Max channel current	750 mA
Min operating voltage	8 V
Max operating voltage	68 V
Self consumption	< 20mA
Temperature sensor range	-40°C to +85°C
Transient surge protection	1500W/channel
Communication ports	(2) RJ meter bus connections
	(1) 9 pin serial RS232
Mechanical Characteristics
Dimensions	16.3L x 8.1W x 3.3D cm
Weight	0.2 kg
Largest wire	1.0 to 0.25 mm²
Torque terminals	0.4 Nm
Enclosure	Type 1, indoor rated
DIN rail attachment	35 mm standard
Environmental
Operating temperature	-40°C to +45°C
Storage temperature	-55°C to +85°C
Humidity	100% NC
Tropicalization	Conformal coating on both sides of printed circuit board

* Voltage os user selected relays must be same as battery voltage

Electronic Protections
Reverse polarity protection, short circuit protection, overcurrent protection, ightning and transient surge protection