Yaskawa Z1000U HVAC Matrix Bypass User Manual
Page 218
Setting 31: HAND Select
When this is selected, the HAND function command will come from a digital input while the HAND key on the HOA operator
will be ignored. If both HAND and AUTO functions are configured to come from digital inputs, the lack of both of these
inputs being active will put the HOA function into the OFF state. The OFF key on the HOA operator will always place the
HOA function to the OFF state.
Setting 32: AUTO Select
When this is selected, the AUTO function command will come from a digital input while the AUTO key on the HOA operator
will be ignored. If both HAND and AUTO functions are configured to come from digital inputs, the lack of both of these
inputs being active will put the HOA function into the OFF state. The OFF key on the HOA operator will always place the
HOA function to the OFF state
Setting 33: DRIVE/BYPASS Select
When this is selected, the DRIVE/BYPASS select function command will come from a digital input while the DRV/BYP key
on the HOA operator will be ignored.
Input OFF: Drive Mode is selected.
Input ON: Bypass Mode is selected.
Setting 34: Fault Reset
Resets any faults that are present.
Setting 35: External Fault (EF0)
Issues external fault EF0 to the drive from the bypass. Use parameter Z1-30 to modify the fault delay time.
Setting 36: External Fault (EFB)
Triggers external EFB on the bypass.
Setting 37: Run Reverse (AUTO Mode)
Starts and stops the bypass in reverse when Z1-08 is set to 1.
n
Z2-09 to Z2-16: Digital Input 1 to 8 Invert Select
No.
Name
Setting Range
Default
Z2-09
Digital Input 1 Invert Select
0, 1
0
Z2-10
Digital Input 2 Invert Select
0, 1
0
Z2-11
Digital Input 3 Invert Select
0, 1
0
Z2-12
Digital Input 4 Invert Select
0, 1
0
Z2-13
Digital Input 5 Invert Select
0, 1
0
Z2-14
Digital Input 6 Invert Select
0, 1
0
Z2-15
Digital Input 7 Invert Select
0, 1
0
Z2-16
Digital Input 8 Invert Select
0, 1
0
n
Bypass Digital Input Invert Settings
Table 5.30 Bypass Digital Input Invert Settings
Setting
Function
Page
0
Normal
Setting
Function
Page
1
Inverted
Setting 0: Normal
Lack of input signal = OFF
Setting 1: Inverted
Lack of input signal = ON
5.14 Z: Bypass Parameters
218
YASKAWA SIEP YAIZ1D 01A Z1000U HVAC MATRIX Drive Bypass Technical Manual