H1 Multi-Function Digital Input Selections
H1-
oo
Setting
Function
LCD Display
Description
Page
70
Drive Enable2
Drive Enable 2
Prevents the Drive from executing a Run command until the Drive Enable2 input
is closed.
When the Drive Enable2 input is open and a Run command is closed, the drive
LCD will display “dnE”.
The drive will run when the Run and Drive Enable2 inputs are both closed. If the
Drive Enable2 input is opened while the drive is running, the drive will stop using
the method set by parameter b1-03.
7A
KEB Ride-Thru 2 (N.C.) KEB Ridethru2NC
Open: KEB Ride-Thru 2 enabled. Drive disregards L2-29 and performs Single
Drive KEB Ride-Thru 2.
7B
KEB Ride-Thru 2 (N.O.) KEB Ridethru2NO
Closed: KEB Ride-Thru 2 enabled. Drive disregards L2-29 and performs Single
Drive KEB Ride-Thru 2.
7C
Short circuit braking
(N.O.)
SC Brake (NO)
Closed: Short Circuit Braking enabled
7D
Short circuit braking
(N.C.)
SC Brake (NC)
OLV/PM
OLV/PM
Open: Short Circuit Braking enabled
A4
BP Customer Safeties
BP Emg Override
Closed: Indicates that customer safeties are in place.
Note:
The keypad OFF key is not functional when the drive is in
Emergency Override.
A5
BP Drive/Bypass Select BP Drv/Bypss Sel
Open: Bypass mode.
Closed: Drive mode.
A6
BP BAS Interlock Input BP BAS Interlock
Closed: Indicates that the dampers are open
A7
BP Customer Safeties
BP Cust Safeties
Closed: Indicates that customer safeties are in place.
A8
Secondary PI Disable
(N.O.)
PI2 Disable N.O.
Closed: Disables the secondary PI controller. Output behavior depends on the
setting of S3-12.
A9
Secondary PI Disable
(N.C.)
PI2 Disable N.C.
Closed: Enables the secondary PI controller. Output behavior depends on the
setting of S3-12 when open.
AA
Secondary PI Inverse
Operation
PI2 Invert
Closed: Changes the sign of the secondary PI controller input (reverse acting PI
control).
AB
Secondary PI Integral
Reset
PI2 Intgrl Reset
Closed: Resets the secondary PI controller integral value.
AC
Secondary PI Integral
Hold
PI2 Intgrl Hold
Closed: Locks the value of the secondary PI controller integral value.
AD
Select Secondary PI
Parameters
Select PI2 Parms
Closed: Uses the secondary PI controller Proportional and Integral adjustments
(S3-06 and S3-07) instead of the primary PI controller Proportional and Integral
adjustments (b5-02 and b5-03). Only valid when S3-01 = 0 (secondary PI
controller disabled).
Note:
This multi-function input has no effect on the secondary PI
controller. It is only used for the primary PI controller (b5-
oo
).
AE
BP Bypass Run
BP Bypass Run
Closed: Commands a Run (via closing the BP Bypass Relay multi-function output)
when in Bypass mode.
AF
Emergency Override
Forward Run
EmergOverrideFWD Closed: Emergency Override Forward Run
B0
Emergency Override
Reverse Run
EmergOverrideREV
Closed: Emergency Override Reverse Run
B1
Customer Safeties
CustomerSafeties
The functionality is identical to Drive Enable 2 (H1-
oo
= 70), except for the
following characteristics:
• The stopping method is forced to Coast to Stop when the input is open
• The drive will display a “SAFE” alarm if the input is open when a Run command
is present. It will not display “dnE”.
Open: Customer Safeties are open. Drive will not run. Stopping method is Coast
to Stop.
Closed: Customer Safeties are in place.
B2
BAS Interlock
BAS Interlock
Open: Damper interlock is not closed. Drive output is shut off (baseblocked). The
drive displays an "inTLK" message if a Run command is present. It will not display
"dnE".
Closed: Damper interlock is closed. Drive operates normally.
Note:
The state of the BAS Interlock multi-function input has no effect on
the Emergency Override multi-function inputs (H1-
oo
= AF, B0).
The Emergency Override command is accepted when the BAS
Interlock digital input is open or closed.
A.9 H Parameters: Multi-Function Terminals
YASKAWA SIEP YAIZ1U 03B YASKAWA AC Drive – Z1000 Programming Manual
207
A
Parameter List