Setting 14: Fault Reset
When the drive detects a fault condition, the fault output contact closes, the drive output shuts off, and the motor coasts to
stop (specific stopping methods can be selected for some faults such as L1-04 for motor overheat). After removing the Run
command, clear the fault either by pressing the RESET key on the HOA keypad or closing a digital input configured as a Fault
Reset (H1-oo = 14).
Note: Remove the Run command prior to resetting a fault. Fault Reset commands are ignored while the Run command is present.
Setting 19: PI Disable
Close a digital input to indefinitely disable the PI function. When the input is released, the drive resumes PI operation. Refer
to PI Block Diagram on page 130.
Setting 24: External Fault
The External fault command stops the drive when problems occur with external devices.
To use the External fault command, set one of the multi-function digital inputs to 24. The HOA keypad will display EFo
where o is the number of the terminal to which the external fault signal is assigned.
For example, if an external fault signal is input to terminal DI-3, “EF3” will be displayed.
The conditions of setting 24 are:
• Terminal status is normally open
• Detection condition is always detected
• Stopping method is coast to stop.
Setting 60: Motor Pre-Heat 1
A DC current can be circulated through the motor windings to create heat and prevent moisture from condensing on the wire.
Motor Pre-Heating can only be initiated by closing a digital input programmed as a Motor Pre-Heat input (H1-oo = 60). The
level of the DC current used by the Motor Pre-Heat function is determined by b2-09
<1>
.
<1> Details on this function can be found in the standard Z1000 Programming Manual (SIEPC71061645) at
www.yaskawa.com.
A Run input will be given priority over a Motor Pre-Heat input and when the Run command is removed, the motor pre-heating
will resume if the Motor Pre-Heat input is still closed.
Motor Pre-Heat 1
command
FWD Run command
Output frequency
Motor Pre-Heat 1
Motor Pre-Heat 1
braking
Motor Pre-Heat 1
Start Frequency
(b2-01)
OFF
OFF OFF
OFFON
ON
Figure 5.21 Motor Pre-Heat 1 Input Timing Diagram
u
H2: Multi-Function Digital Outputs
Note:
H2-oo parameters are available in bypass controller software versions VST800298 and later.
n
H2-01 to H2-03: Terminal M1-M2, M3-M4, and M5-M6 Function Selection
The bypass has three multi-function output terminals. Table 5.21 lists the functions available for these terminals using H2-01,
H2-02, and H2-03.
No. Parameter Name Setting Range Default
H2-01 Terminal M1-M2 Function Selection (relay) 0 to 160 0: During Run 1
H2-02 Terminal M3-M4 Function Selection (relay) 0 to 160 1: Zero Speed
H2-03 Terminal M5-M6 Function Selection (relay) 0 to 160 2: Speed Agree 1
5.8 H: Terminal Functions
YASKAWA ELECTRIC SIEP YAIZ1B 01E YASKAWA AC Drive – Z1000 Bypass Technical Manual
153
5
Programming
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