YOKOGAWA UTAdvanced Series, User Manual

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11-23
IM 05P07A01-01EN
Functions and
Applications of I Relays (for UM33A)
11
11.4 Reading via Communication

When reading the alarm status
Read I relay numbers 4321 to 4336 for alarm-1 to alarm-8 status.
I relay No. Symbol Event
4321 to 4336 ALM1_L1~ALM8_L1 Alarm-1 to alarm-8 status (Same as D2011) *
•
•
•
•
•
•
4545 to 4576
*: The contents of alarm-1 to alarm-8 status (I relay numbers 4321 to 4336: ALM1_L1 to
ALM8_L1) are the same as the bit configuration of D register number D2011 (alarm-1
to alarm-8 status). Refer to the bit configuration of D2011 described in “Chapter 10
Functions and Applications of D Registers (for UM33A).”
The following shows the bit configuration of D2011 described in “Chapter 10 Functions
and Applications of D Registers (for UM33A).”

Bit Configuration of D2011: ALM_L1 (Alarm-1 to alarm-8 status)
Bit Symbol Event
0 ALM1_L1 ‘1’ when alarm 1 is ON; ‘0’ when OFF
1 ALM2_L1 ‘1’ when alarm 2 is ON; ‘0’ when OFF
2 ALM3_L1 ‘1’ when alarm 3 is ON; ‘0’ when OFF
3
4
ALM4_L1 ‘1’ when alarm 4 is ON; ‘0’ when OFF
5 ALM5_L1 ‘1’ when alarm 5 is ON; ‘0’ when OFF
6 ALM6_L1 ‘1’ when alarm 6 is ON; ‘0’ when OFF
7
8
ALM7_L1 ‘1’ when alarm 7 is ON; ‘0’ when OFF
9 ALM8_L1 ‘1’ when alarm 8 is ON; ‘0’ when OFF
10 to 15
Note
When specifying an I relay number for communication, begin the number with the character “I.”
Example: Set “I4321” to specify the ALM1_L1 (I relay No.: 4321).