Cameron NUFLO MC-III, User Manual

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MC-III™ Panel Mount Flow Analyzer Section 1
Table 1.1—MC-III Panel Mount Specifications
Outputs Analog Output
4-20 mA, loop-powered (two-wire)
16-bit resolution
Accuracy: 0.1% of full scale @ 25°C, 50 PPM/°C temperature drift
Loop power: 8.0 to 30 VDC
Zero and full-scale engineering values configurable from front panel
RS-485 Communications
Baud rates: 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600 and up
to 115.2K
Volumetric Pulse Output
Solid-state relay
Output rating: 60 mA max. @ 30 VDC, on-state drop = 1.4 VDC @ 50 mA,
0.25 VDC @ 10 mA
Configurable pulse width (duration): 10 to 60,000 ms
Amp & Square (Flow Meter Frequency) Output
Open-drain transistor output of turbine meter input signal
Output rating: 50 mA @ 30 VDC, on-state drop = 0.3 VDC @ 50 mA,
0.1 VDC @ 10 mA
(Analog output and amp & square outputs cannot be used simultaneously.)
Modbus
®
RTU mode Modbus
®
supports 16-bit and 32-bit holding registers. For more
information, see Appendix C .
Enron Modbus
®
Flow log parameters (time stamp, period total, period run time, and supply
voltage) and download method are Enron-compatible.
System Requirements
Operating System - Windows 2000 or later (Windows XP recommended)
Computer/Processor - 1 GHz or faster Pentium-compatible CPU
Memory - 128 MB of RAM
Hard Disk Space - 21 MB for program files, 30 MB for Adobe Reader,
adequate space for data files
Drive - CD-ROM for install
Display - 800 x 600 (SVGA), 16-bit (thousands of colors) color display or
greater
Browser - Internet Explorer 6 or later
Internet Connection - for web links, tech support
Communications Port - physical or virtual RS-232 compatible serial port
Key Product Features
This section presents an overview of key features of the MC-III Panel Mount. Many of these features are
discussed in more detail in Sections 3 and 4 (configuration procedures) and Section 5 (flow log archival).
Key features discussed here include:
• LCD display
• keypad
• interface software
• power supply
• calibration options