Rockwell Automation 61C544A RTD Module User Manual
Page 21
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4Ć5
4.1.3
High Alarm Status Register (Register 17)
Register 17 indicates the current status of each configured channel's
High alarm. See figure 4.3. A bit is set in this register whenever a
channel's input value exceeds the configured High alarm limit. The
bit is reset when the input value returns to a level below the
configured limit.
Bit 0ă=ăChannel 0
Bit 5ă=ăChannel 5
Bit 10ă=ăChannel 10
Bit 1ă=ăChannel 1
Bit 6ă=ăChannel 6
Bit 11ă=ăChannel 11
Bit 2ă=ăChannel 2
Bit 7ă=ăChannel 7
Bit 12ă=ăChannel 12
Bit 3ă=ăChannel 3
Bit 8ă=ăChannel 8
Bit 13ă=ăChannel 13
Bit 4ă=ăChannel 4
Bit 9ă=ăChannel 9
Bit 14ă=ăChannel 14
Bit 15ă=ăChannel 15
Register 17
Bits 0Ć15
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
15 14 13
12 11 10 9
8
7
6
5
4
3
2
1
0
Figure 4.3 Ć High Alarm Status Register
4.1.4
Low Alarm Status Register (Register 18)
Register 18 indicates the current status of each configured channel's
Low alarm. See figure 4.4. A bit is set in this register whenever a
channel's input value is less than the configured Low alarm limit. The
bit is reset when the input value returns to a level above the
configured limit.
Register 18
Bits 0Ć15
Bit 0ă=ăChannel 0
Bit 5ă=ăChannel 5
Bit 10ă=ăChannel 10
Bit 1ă=ăChannel 1
Bit 6ă=ăChannel 6
Bit 11ă=ăChannel 11
Bit 2ă=ăChannel 2
Bit 7ă=ăChannel 7
Bit 12ă=ăChannel 12
Bit 3ă=ăChannel 3
Bit 8ă=ăChannel 8
Bit 13ă=ăChannel 13
Bit 4ă=ăChannel 4
Bit 9ă=ăChannel 9
Bit 14ă=ăChannel 14
Bit 15ă=ăChannel 15
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
Figure 4.4 Ć Low Alarm Status Register