GE L30 Instruction Manual page 564

Line current differential system
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MONITORING
CHAPTER 11: MAINTENANCE
The first row in the figure shows that Contact Output 1 operation is being monitored. Its Modbus address is CAFA. The
actual value read from the device is 0, which means that it is off.
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The second row in the figure shows the Contact Output 1 Name. It has a Modbus address of CAF0 and a default value of
"Cont Op 1." None of Selection column settings render this value because they present the information based on
numbering systems.
Figure 11-2: Modbus Analyzer used to monitor actual values on a UR
Address (HEX) — Modbus address in hexadecimal. See the Modbus memory map in the UR Family Communications Guide
or in the web interface (enter IP address of UR device in a web browser).
Modbus Type
Actual Value — To read the data in the UR device
Setting — To read a setting in the UR device
Coil — To read a command in the UR device
# of — Element, input, or output to read. An example is 1 for Contact Output 1.
Selection (examples demonstrate various ways to represent 0)
Hex — A decimal numbering system based on 16 possible values, from 0 to 9 and A to F. An example is 0x0000.
Char — A single unicode character, such as C. An example is 0.
Int — A 32-bit number, either positive or negative. An example is 0.
UInt — Unsigned 32-bit integer, which means that it cannot be negative but can be twice as large as a signed integer. An
example is 0.
Long — A 64-bit number, either positive or negative. An example is 0.
ULong — Unsigned 64-bit number, which means that it cannot be negative but can be twice as large as a signed 64-bit
number. An example is 0.
Float — A numbering system with no fixed number of digits before or after the decimal point. An example is 0.000000.
Binary — A numbering system using 0 and 1. An example is 0000-0000-0000-0000.
Entries are not saved when closing the window.
11-2
L30 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL

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