GETTING STARTED MANUAL REVISION 2.0
4
Introduction to Magnum V8 Software
Magnum V8 software has been designed to control many different types of compressors of both fixed and variable
capacity, as well as many additional features. Supported control options include multiple liquid line solenoids,
electronic expansion valves (EXVs), liquid injection, economizers, hot gas bypass, variable frequency drives
(VFDs), digital scrolls, and many more.
Applications vary from control of a single compressor to complex multiple compressor systems. In all applications,
however, safety and operating efficiency is of primary importance. The controller interface is made to be informative
and meaningful, with built-in logic to prevent unsafe operating conditions from occurring. This helps reduce or even
completely eliminate nuisance alarms.
Magnum V8 Software Control Point Capacity
Circuits (compressors): Up to 20
Steps per circuit:: Up to 4
Relay Outputs: Up to 80
Analog Outputs: Up to 20
Sensor Inputs: Up to 80
Setpoints: 230
Alarm Memory: 100
Magnum Hardware Supported by Magnum V8 Software
The following MCS boards can be connected together through the MCS-I/O communications terminal block:
MCS-Magnum (10 RO’s, 12 SI’s, 4 Digital SI’s, and 4 AO’s)
MCS-I/O (8 RO - 8 SI - 1 AO with I/O 7.00-C with a GAL 5.0 chip)
MCS-RO8 (8 RO)
MCS-SI16 (16 SI)
MCS-RO10 (10 RO)
MCS-SI16-AO4 (16 SI and 4 AO)
The versatility of the Magnum offers the user much flexibility in configuring the controls in an economical way. The
limitation is not the number of boards but the total number of points.
About the Magnum
The Magnum is a rugged microprocessor controller designed for the harsh environment of the HVAC/R industry. It
is designed to provide primary control without needing mechanical controls. It will interface locally with a null
modem serial cable, remotely through an Ethernet connection, and also through building management systems.
The Magnum offers a great deal of flexibility with adjustable setpoints and control options that can be set prior to
activating a system or even when the unit is operational. The Magnum is designed to safeguard the system being
controlled, minimize the need for manual intervention, and to provide a simple but meaningful user interface.
MCS 485 Network
The MCS 485 Network can support up to 20 Magnum’s and their associated I/O boards. Access to this network can
be local through a RS232 or Ethernet connection, or remotely through a 14.4K Baud modem. When using the
dialup connection through a modem there is no degradation in the performance of the network.
Each Magnum in the network must be assigned a unique address in the configuration file. This address will be the
key in establishing communications with the appropriate Magnum system. It can be viewed or changed from the
LCD / keypad of the unit with Factory authorization.
RS 232 transmissions should not exceed 50’ in length.
RS 485 transmissions should not exceed 1 mile without a repeater.
MCS Ethernet Port
When connecting directly through the 100 MBPS Ethernet port on the Magnum from a PC it is necessary to use a
crossover Ethernet cable.
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