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Yaskawa AC Drive Z1000 AC Drive HVAC Fan User Manual

Page 90

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ON

ON

OFF

OFF

ON

OFF

ON

run command

baseblock

command

output

frequency

during run

during frequency

output

OFF

Figure 1.49 During Frequency Output Time Chart

Setting 38: Drive Enable

Reflects the status of a digital input configured as a “Drive enable” input (H1-oo = 6A). If that digital input closes, then the

digital output set for “Drive enable” will also close.

Setting 39: Watt Hour Pulse Output

Outputs a pulse to indicate the watt hours.

Setting 3A: Drive Overheat Alarm (oH2)

Output closes when an external device triggers an overheat warning in the drive.

Setting 3D: During Speed Search

The output terminal closes while Speed Search is being performed.

Refer to b3: Speed Search on page 31

for details.

Setting 3E: PID Feedback Low

The output terminal closes when a PID feedback loss is detected. The feedback is considered to be lost if it falls below the

level set to b5-13 for longer than the time set to b5-14.

Refer to PI Feedback Loss Detection on page 41

for details.

Setting 3F: PID Feedback High

The output terminal closes when a PID feedback loss is detected. The feedback is considered to be lost if it rises beyond the

level set to b5-36 for longer than the time set to b5-37.

Refer to PI Feedback Loss Detection on page 41

for details.

Setting 4A: During KEB Operation

The output terminal closes while KEB is being performed.

Setting 4B: During Short Circuit Braking

The output terminal closes while Short Circuit Braking is being executed.

Setting 4C: During Fast Stop

The output terminal closes when a Fast Stop is being executed.

Refer to Settings 15 and 17: Fast Stop (N.O., N.C.) on page

76

.

Setting 4D: oH Pre-Alarm Time Limit

The output terminal closes when the drive is reducing the speed due to a drive overheat alarm (L8-03 = 4) and the overheat

alarm has not disappeared after 10 frequency reduction operation cycles.

Refer to L8-03: Overheat Pre-Alarm Operation

Selection on page 117

for a more detailed description.

Setting 50: Waiting to Run (WrUn)

The drive will delay executing a Run command until the time set to b1-11 has expired.

Setting 51: Sequence Timer 1 Active

Sequence Timer 1 is active.

1.7 H: Terminal Functions

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YASKAWA ELECTRIC SIEP YAIZ1U 03A YASKAWA AC Drive – Z1000 Programming Manual