maxPAC Hardware Reference Guide
Metso Automation MAX Controls Inc. • 277596 •
1-6
Analog Input
Part Number Description
IOP301 Isolated analog input; 16 channels
IOP302 4-20mA common input; 16 channels
IOP303 3-wire RTD input; 8 channels
IOP304 Thermocouple/emf input; 16 channels
IOP305 Voltage common input; 16 channels
IOP306 Kit with sixteen 100 Ohm resistors
Analog Output
Part Number Description
IOP320 4-20 mA common output, 8 channels
Bus Extender
Part Number Description
IOP371 Optical bus extender
Power Supply
The maxDNA Input/Output System uses the Model APS Power Supply
Assembly, which provides 24V dc power for Distributing Processing Units
and I/O. This Power Supply Assembly consists of a 19-inch rack mount or
flush mount chassis accommodating up to six independent 10 amp power
supply modules. Metso Automation MAX Controls typically installs the
power supply modules in an N + 1 redundancy configuration. Because each
module is individually isolated, the chassis can be split to provide both
system power and loop power.
Power supply features consists of the following:
§ Redundant AC power inputs
§ 250 Watt power supply modules
§ Hot replaceable
§ Current Sharing
§ Power factor correction
§ Front panel indicators on each module
§ AC input
§ Output voltage status
§ Output current level
§ External status signals
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