Yaskawa Z1000 AC Drive HVAC - Manual (Page 286)

H2 Multi-Function Digital Output Settings
H2-
Setting
Function LCD Display Description Page
20
Drive overheat pre-
alarm (oH)
OH Prealarm
Closed: Heatsink temperature exceeds the parameter L8-02 value.
–
2F Maintenance period Maintenance
Closed: Cooling fan, electrolytic capacitors, IGBTs, or the soft charge bypass relay
may require maintenance.
–
37 During frequency output During RUN 2
Open: Either the drive has stopped or baseblock, DC Injection Braking, or Initial
Excitation is being performed.
Closed: Drive is running the motor (not in a baseblock state and DC Injection is
not being performed).
–
38 Drive enabled Drive Enable Closed: Multi-function input set for “Drive enable” is closed (H1- = 6A) –
39 Watt hour pulse output Watt-hour Pulse
Output units are determined by H2-06. Outputs a pulse every 200 ms to indicate
the kWh count.
–
3A Drive overheat alarm OH Alarm 2 Closed: An external device triggered an overheat warning in the drive. –
3D During speed search During SpdSrch Closed: Speed Search is being executed. –
3E PI feedback low PID Feedback Low Closed: PI feedback level is too low. –
3F PI feedback high PID FeedbackHigh Closed: The PI feedback level is too high. –
4A During KEB Ride-Thru During KEB Closed: KEB Ride-Thru is being performed. –
4B
During short circuit
braking
During SC Brake
OLV/PM OLV/PM
Closed: Short Circuit Braking is active.
–
4C During fast stop During Fast Stop
Closed: A Fast Stop command has been entered from the operator or input
terminals.
–
4D oH Pre-alarm time limit OH Pre-Alarm Closed: oH pre-alarm time limit has passed. –
50 Waiting for run Waiting for Run Closed: Delay executing any run command until the time set to b1-11 has expired. –
51 Sequence timer 1 active SeqTimer Disable Closed: Sequence timer 1 is active. –
52 Sequence timer 2 active SeqTimer Cancel Closed: Sequence timer 2 is active. –
53 Sequence timer 3 active Sequence timer 3 Closed: Sequence timer 3 is active. –
54 Sequence timer 4 active Sequence Timer 4 Closed: Sequence timer 4 is active. –
58 Underload detection UL6 Closed: Underload is detected. –
60
Internal cooling fan
alarm
Fan Alrm Det
Closed: Internal cooling fan alarm
–
71
Secondary PI Feedback
Low
PI2 Feedback Low
Closed: PI2 feedback level is too low.
–
72
Secondary PI Feedback
High
PI2 FeedbackHigh
Closed: The PI2 feedback level is too high.
–
A4 BP Drive Relay Contact BP Emg Override
Closed: Line voltage is being supplied to the drive, and the motor is being run via
the drive.
–
A5
BP Bypass Relay
Contact
BP Drv/Bypss Sel
Closed: Line voltage is being supplied directly to the motor.
–
A6
BP BAS Interlock Relay
Contact
BP BAS Interlock
Closed: Actuation signal for options dampers.
–
A9 Relay Operator Control PI2 Disable N.C. Closed: F1 (F2) key toggle relay output. –
B2
BAS Interlock Relay
Contact
BAS Interlock A Run command is active or voltage is output. Actuation signal for damper. –
100 to
1B2
Function 0 to b2 with
inverse output
Note: A prefix of "!" is
added to represent
inverse functions on the
LCD keypad display.
Example: “!Zero speed”
–
Inverts the output switching of the multi-function output functions.
Set the last two digits of 1 to reverse the output signal of that specific function.
–
B.7 H Parameters: Multi-Function Terminals
286 YASKAWA ELECTRIC TOEP YAIZ1U 03A YASKAWA AC Drive – Z1000 User Manual