New CAT Equipment
MX350 Controller
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The MX350 microprocessor
is standard with the entire CTE product family
Graphical Control Panel
interface provides local control and access to system information. Automation FlexLogic� with interlocking and
programmable logic control
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Controller Specifications
Communications Interface - Optional
Serial RS-485 upt to 115.2 Kbps or TCP/IP (10/100 base-T)Control Power
120 VACDelay NeutralTransition Time Delays (DT,DW)
0-10 minutesDelay Transfer to Nonpreferred Source (W)
0-5 minutesDelay for Engine Cool Down (U)
0-60 minutesLoad Control Relay Contacts (1)
rated for 10A @ 24VDC or 120VACLoad Control Relay Contacts (2)
0-259 minutesOperating Temperature Ambient
(-20˚C to 50˚C)Overfrequency Dropout for Source 1 and Source 2
50.1 - 63 HzOverfrequency Restore for Source 1 and Source 2
50 - 62.9 HzOvervoltage Dropout for Source 1 and Source 2
105 - 110% of nominalOvervoltage Restore for Source 1 and Source 2
103 - 108% of nominalSource Sensing
120 - 690 VAC +/- 1% of nominal voltage (+/- .05 Hz, +/-.5 A)Storage Temperature
(-40˚C - 90˚C )Underfrequency Dropout for Source 1 and Source 2
45 - 59.9 HzUnderfrequency Restore for Source 1 and Source 2
45 - 59.5 HzUndervoltage Dropout for Source 1 and Source 2
75-99% of nominalUndervoltage Restore for Source 1 and Source 2
85-100% of nominalVoltage Unbalance for Restore for Source 1 and Source 2
4 to 19% of nominalVoltage Unbalance on Dropout for Source 1 and Source 2
5 to 20% of nominal -
Technical Summary
Rating Range
Switch DependentSwitch Type
Application DependentTransfer Type
Application Dependent
Status LEDS for:
- Transfer Inhibit
- Active Alarms
- Source 1 and 2 Availablity
- Source 1 and 2 Connected
- Time Delay Active
Graphical Display:
- Color graphical display with USB Calibration/programming port and Embedded Help
- Displays 256 time-tagged events with 1 ms resolution
- Monitors over/under frequency, voltage conditions, frequency imbalance, and phase rotation
- Provided detailed outage,test,and diagnostic reports
Ranges of Controls / Metering:
- Programmable generator exerciser
- Synchroscope
- Contacts for Source 1 and Source 2 position indication as well as remote load test signals, and engine start delay
- Source 1 and Source 2 In-phase monitor
- Neutral, Engine Start, and Engine stop time delay timers
Testing and Certification
- Conforms to EN 60947-1, EN 60947-6-1, EN 60255-26 (EN 50263), EN 5502 / CISPR22 / EN 61000-6-2 / EN 61000-6-4
- Tested in accordance with:
IEC 60068-2-30
IEC 60068-2-1
IEC 60068-2-2
IEC 60255-22-1
IEC 60255-22-2
IEC 60255-22-3
IEC 60255-22-4
IEC 60255-22-5
IEC 60255-22-6
IEC 60255-25
IEC 60529; IP54 (front),IP20(back)
IEC 61000-4-11 - Quality System:
Manufactured under an ISO 9001 Registered Program
Option Package A:
- Four (4) programmable inputs and four (4) outputs assignable to additional ATS features
- Expanded diagnostics, high-speed 256 event capture, 365 days
- Monitoring Software (local or remote), USB interface for uploading and downloading setup parameters
- Full function ATS control with full sensing and control capabilities
- Full complement of programmable ATS control switches AUTO / MAN, Preferred Source selector,Commit / No Commit Xfer, Transition Mode Select for Closed Transition switch models)
Option Package B:
- Waveform capture, ten (10) channels, up to 256 cycles each sixteen (16) samples / sec.
- Ten (10) customer programmable digital and ten (10)analog alarms.
- Includes Option Package A features, plus
- Auto Load Shed with voltage, frequency and kW triggers.
- Twenty (20) channel data logger, customer configurable sample period from one (1) cycle to sixty (60) minutes.
Option Package C:
- Includes Option B features, plus
- Four (4) additional inputs and outputs (totaling eight (8) in & eight (8) out)
Option Package D:
- Customized user control logic
- Includes Option Package C features, plus
- Four (4) additional inputs and outputs (totaling twelve (12) in & twelve (12) out)
Option Package M:
- Configuration for Manual Operation only (Non-Automatic)