YOKOGAWA UTAdvanced Series, User Manual

Page: 828 / 866

15-3
IM 05P07A01-01EN
Functions and
Applications of I Relays (for UT75A)
15
CAUTION
• Check the model and suffix codes and parameter settings before writing to or
read from the registers to be used.
• In the area for I relay numbers 4001 to 6560, it is prohibited to write data
to I relays with blank cells in I relay map tables. If you attempt to do so, the
UTAdvanced may not operate properly.
Note
• I relay numbers 4001 to 6560 store ON/OFF status information and are normally read for
ON/OFF status information.

How to Specify I Relay Numbers
When specifying an I relay number for communication, begin the number with the
character “I.”
Example: Set “I4066
”
to specify the ADERR_E1 (I relay No.: 4066).

I relay symbol
• With regards to some register symbols, the loop number and terminal area are
indicated by adding the underline (_) to the end of the parameter symbols.
oooo
_Ln Ln : Loop numbers (L1 or L2)
oooo
_En En : Terminal area (E1 to E4)
Example : PVBO_L1 Indicates Loop-1 PVBO.
ADERR_E1 Indicates ADERR in E1-terminal area.
15.2 Classification of I Relays