YASKAWA HV600 Technical Reference page 379

Ac drive bypass for hvac fan and pump applications
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Figure 5.94
shows an example of sequence timer operation when you set the drive parameters as specified in
5.56.
Tine Display Format
o4-22 = 0
[24 Hour Clock]
d1-01: Reference 1
d1-02: Reference 2
Sequence Timer Home Screen Text
When you set o1-40 = 0 [Home Screen Display Selection = Custom Monitor], the message text on the Status Monitor
will show the status of the Sequence Timer when the Sequence Timer has an effect on the drive Run condition.
• When you set the Sequence Timers to use for Digital Output only (S2-04 [Timer 1 Sequence Selection], S2-09
[Timer 2 Sequence Selection], S2-14 [Timer 3 Sequence Selection], and S2-19 [Timer 4 Reference Source] = 0
[Digital Out Only]), the message text will not show the status of the Sequence Timer.
• When the drive uses the Sequence Timers to overwrite the Run command in AUTO (S2-04, S2-09, S2-14, or S2-19
≠ 0), the drive will update the message text. Refer to
YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
Table 5.56 Parameter Settings for Example of Sequence Timer 3
Sequence Timer 1
Sequence Timer 2
S2-01 = 05:00
S2-02 = 15:00
S2-03 = 2
[Mon - Fri]
S2-04 = 1
[Run]
[Run - PI Disable]
S2-05 = 0
[Operator (d1-01/YA-01)]
[Operator (d1-02/YA-02)]
Figure 5.94 Example of Sequence Timer 3
Sequence Timer 3
S2-06 = 15:00
S2-11 = 09:00
S2-07 = 22:00
S2-12 = 24:00
S2-08 = 2
S2-13 = 9
[Mon - Fri]
[Saturday]
S2-09 = 2
S2-14 = 1
S2-10 = 1
S2-15 = 2
[Operator (d1-03/YA-03)]
d1-03: Reference 3
Table 5.57
for more information.
5.11 S: Special Applications
Sequence Timer 4
-
-
S2-18 = 0
[Timer Disabled]
-
[Run]
-
Table
5
379

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