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Z2-23 to Z2-26: Digital Output 7 to 10 Function Select
No. Name Setting Range Default
Z2-23 Digital Output 7 Function Select 0 to 24; 99 7
Z2-24 Digital Output 8 Function Select 0 to 24; 99 10
Z2-25 Digital Output 9 Function Select 0 to 24; 99 12
Z2-26 Digital Output 10 Function Select 0 to 24; 99 15
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Bypass Digital Output Terminal Settings
Table 5.29 Bypass Digital Output Terminal Settings
Setting Function
0 Serial Comm Controlled
1 K1 Drive Input Contactor
2 K2 Drive Output Contactor
3 K3 Bypass Contactor
4 K4 Motor 1 Select
5 K5 Motor 2 Select
6 READY (Drive and Bypass)
7 RUN Active (Drive or Bypass)
8 Drive RUN Active
9 Bypass RUN Active
10 HAND Mode Active
11 OFF Mode Active
12 AUTO Mode Active
13 Drive Mode Selected
14 Bypass Mode Selected
15 Drive or Bypass Fault Active
Setting Function
16 Drive Fault Active
17 Bypass Fault Active
18 Auto Transfer Active
19 Serial Run Command Active
20 Damper Actuator Output
21 ON Always
22 Loss of Load Detected
23
<1>
Run Verify
The digital output closes when the drive or bypass output
current exceeds 10% of the value set in E2-01.
The digital output opens when the drive or bypass output
current falls below 5% of the value set in E2-01.
24
<2>
Soft Start Run
Controls the soft starter Run command to ramp down the soft
starter before opening bypass contactor K3.
99
Not Used (Through Mode)
This setting allows serial communications to control the
output.
<1> Available in bypass controller software versions VST800298 and later.
<2> Available in bypass controller software versions VST800400 and later.
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Z2-31: Safety Open Message Selection
Sets the fault message displayed when an FB01 fault is triggered. This parameter also determines the text that is displayed on
the top line of the HOA keypad.
Note: Parameter available in bypass controller software versions VST800298 and VST800299 only.
No. Name Setting Range Default
Z2-31 Safety Open Message Selection 0 to 6 0
Setting 0: Safety Open
LO
RE
ESC
RUN STOP
ENTERRESET
DIGITAL OPERATOR
LO
RE
ESC
RUN STOP
ENTERRESET
DIGITAL OPERATOR
ALM
ALM
BYP-SAFETY OPEN
BYP-FAULTED
DRV/BYP
FB01
Safety Open
RLY FWD
UB-01= 0.0A
RLY
UB-02=10000101
UB-03=00001000
DRV/BYP
LSEQ
LREF
Setting 1: Fire Stat
LO
RE
ESC
RUN STOP
ENTERRESET
DIGITAL OPERATOR
LO
RE
ESC
RUN STOP
ENTERRESET
DIGITAL OPERATOR
ALM
ALM
BYP-FIRE STAT
BYP-FAULTED
DRV/BYP
FB01
Fire Stat
RLY FWD
UB-01= 0.0A
RLY
UB-02=10000101
UB-03=00001000
DRV/BYP
LSEQ
LREF
5.15 Z: Bypass Parameters
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YASKAWA ELECTRIC SIEP YAIZ1B 01E YASKAWA AC Drive – Z1000 Bypass Technical Manual