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Settings 44, 45, and 46: Offset Frequency 1, 2, 3
These inputs add offset frequencies d7-01, d7-02, and d7-03 to the frequency reference.
Frequency 1 to 3 on page 57
Setting 47: Node Setup
If the SI-S3 option card is connected, closing this terminal sets a node address for operation on a CANopen network.
Setting 50: Motor Pre-Heat 2
Sets the DC preheat current as a percentage of motor rated current (E2-01).
85
details.
Setting 51: Sequence Timer Disable
Drive ignores sequence timers and runs normally (based on b1-02 source).
Setting 52: Sequence Timer Cancel
The sequence timers are canceled.
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.
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.
Setting 61, 62: External Speed Search Command 1, 2
These input functions enable Speed Search even if parameter b3-01 = 0 (no Speed Search at start).
Activation on page 24
for details on how to use the input signals.
Search.
Note:
Simultaneously assigning Speed Search 1 and Speed Search 2 to the input terminals will trigger an oPE03 error.
Setting 63: Field Weakening
Enabled in V/f Control. When this input is closed, Field Weakening is performed.
Setting 67: Communication Test Mode
The drive has a built-in function to self-diagnose serial communications operation. The test involves wiring the send and
receive terminals of the RS-422/RS-485 port together. The drive transmits data and then confirms that the communications
are received normally.
Refer to Self-Diagnostics on page 313
Setting 69: Jog 2
The Jog 2 function applies to 3-Wire control only. If a digital input is configured as Jog 2 (H1-oo = 69) when the drive is
not in 3-Wire Control, an oPE03 fault will occur.
The Jog 2 input causes the drive to ramp to the Jog Frequency Reference (d1-17) in the direction dictated by the Fwd/Rev
input of the 3-Wire Control mode. Acceleration to and from the Jog Frequency Reference is determined by the active Accel/
Decel parameters.
YASKAWA ELECTRIC SIEP C710636 10C Z1000U HVAC MATRIX Drive Programming Manual
for details.
OFF
Motor Pre-Heat 1
command
OFF
FWD Run command
Motor Pre-Heat 1
Output frequency
Figure 1.39 Motor Pre-Heat 1 Input Timing Diagram
Refer to d7-01 to d7-03: Offset
Refer to Setting 60: Motor Pre-Heat 1 on page
ON
OFF
ON
Motor Pre-Heat 1
braking
Motor Pre-Heat 1
Start Frequency
(b2-01)
Refer to b3: Speed Search on page 23
for details on how to use this function.
1.7 H: Terminal Functions
OFF
Refer to Speed Search
for more about Speed
1
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