1-17
Functions of the XRC, Cont.
Applications
•
AGA3 orifice meter run (an external transducer required)
•
ISO 5167 orifice meter run (an external transducer required)
•
V-Cone meter run (an external transducer required)
•
AGA7 rotary/turbine meter run
•
Wedge meter (liquid and gas) (an external transducer required)
•
CO2 (NIST 14) (an external transducer required)
•
Real-time Data Logger (Trending)
•
Valve Control (feedback controller)
•
RAMS (Alarming, Exception reporting)
•
Operators (simple math/logic functions)
•
IEC 61131 (complex math/logic)
•
Selectable Units (user selectable engineering units)
•
Display / Keypad Handler
•
I/O
Subsystem
•
Tank Level application
•
Therms Master application
•
Therms Slave application
•
Multiple protocols (Totalflow proprietary low power, Modbus Slave
(RTU/ASCII), Modbus Master (RTU/ASCII), LevelMaster, BTU
8000/8001, Enron Modbus, Square D, MotorSaver, ABB 2010T
Multivariable, Altronics and others
XRC Display
Function
During the operation of the XRC the front panel LCD continuously scrolls
through the operating parameters. Your system will come with a group of
standard system displays, however any parameter with a Register
Address can be displayed.
See "Program Display" in Chapter 3 for more details.
Display Annunciators
One of the primary functions of the XRC is for monitoring operational conditions; therefore,
the XRC indicates when an unusual or “alarm” condition is occurring, see
Figure 1–6. For
how to use the display to troubleshoot, refer to Chapter 5; Troubleshooting.
Using new technology adaptable for multi-tube devices, the status and alarm code
locations are programmable. This allows the user to program each annunciator to reflect
different application or tube types. The single tube device will come with a standard display
pre-programmed, but changeable (see Table 1–2).
Continued on Next Page
Summary of Contents for XRC6490
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