332
Analog Input Terminals Section 7-4
The details for each bit are shown in the following table.
The following format is used when Analog Status Flags are allocated, starting
from the rightmost byte of the Master
.
Analog Data 1 + Analog
Data 2 (Instance 144)
This data pattern consists of Analog Data 1 followed by Analog Data 2 and is
allocated in the Master using the following data format. Negative data values
are given as two’s complements (16 bytes = 8 words)
.
Bit Abbrevi-
ation
Name Details
0 LLx Compara-
tor result
Low Low Limit
Alarm Flag
Turns ON when the value of
data allocated in Analog Data 1
drops below the Low Low Limit
alarm setting.
1 Lx Low Limit Alarm
Flag
Turns ON when the value of
data allocated in Analog Data 1
drops below the Low Limit
alarm setting.
2 PSx Normal Flag
(pass signal)
Turns ON when none of the
alarms (High High Limit, High
Limit, Low Low Limit, and Low
Limit) have been output.
3Hx High Limit
Alarm Flag
Turns ON when the value of
data allocated in Analog Data 1
exceeds the High Limit alarm
setting.
4 HHx High High Limit
Alarm Flag
Turns ON when the value of
data allocated in Analog Data 1
exceeds the High High Limit
alarm setting.
5 V_STx Top/val-
ley detec-
tion
timing
Valley Detec-
tion Timing Flag
Used with the valley hold func-
tion.
Turns ON when a valley is
detected, and turns OFF after
the one-shot time has lapsed.
6 T_STx Top Detection
Timing Flag
Used with the top hold function.
Turns ON when a top is
detected, and turns OFF after
the one-shot time has lapsed.
7 BWx Off-wire Detection Flag Turns ON when a disconnection
is detected.
Word 15 8 7 0
+0 For Input 1 For Input 0
+1 For Input 3 For Input 2
Word 15 0
+0 Analog Data 1 for Input 0
+1 Analog Data 1 for Input 1
+2 Analog Data 1 for Input 2
+3 Analog Data 1 for Input 3
+4 Analog Data 2 for Input 0
+5 Analog Data 2 for Input 1
+6 Analog Data 2 for Input 2
+7 Analog Data 2 for Input 3
To Next Page
Loading...
Need help?
General
