Z3: bypass control communication – Yaskawa AC Drive Z1000 Bypass Technical Manual User Manual
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Z3: Bypass Control Communication
No.
(Addr.
Hex)
Name
Description
Values
Page
Z3-01
(8500)
Serial Communications
Protocol Select
Selects the bypass serial communications protocol.
0: Modbus
1: N2
2: P1
3: BACnet
Default: 3
Range: 0 to 3
Z3-02
(8501)
Serial Communications
Node Address Select
Selects the bypass serial communications node address.
Default: 1
Min.: 0
Max.: 127
Z3-03
(8502)
Serial Communications
Baud Rate Select
Selects the bypass serial communications speed.
0: 1200 bps
1: 2400 bps
2: 4800 bps
3: 9600 bps
4: 19200 bps
5: 38400 bps
6: 57600 bps
7: 76800 bps
8: 115200 bps
Default: 3
Range: 0 to 8
Z3-04
(8503)
Serial Communications
Parity Select
Selects the bypass serial communications parity.
0: No Parity
1: Even Parity
2: Odd Parity
Default: 0
Range: 0 to 2
Z3-05
(8504)
Serial Communications
Fault Select
Selects the action to take when a serial communications fault is detected.
0: Ignore. A serial communications loss will result in no action being taken.
1: Alarm only.
2: Fault with EF0. An EF0 will be sent to the drive. If running in Bypass mode,
the bypass contactor will NOT open and the motor will keep running.
3: Fault with EF0 and Open Contactors. An EF0 fault will be sent to the drive
and the bypass contactor (K3) will be opened.
4: Alarm and run at preset speed set in Z3-10. Display AL14 alarm on
Operator.
Default: 1
Range: 0 to 4
Z3-06
(8505)
Serial Communications
Fault Time Select
Sets the time allowed to elapse since receiving serial communications before
triggering a communications fault.
A setting of 0.0 will never time out.
Default: 2.0 s
Min.: 0.0
Max.: 99.9
Z3-07
(8506)
Serial Communications
Receive to Transmit Wait
Time
Sets the time to delay a serial communications response to a serial
communications command.
Default: 5 ms
Min.: 0
Max.: 99 ms
Z3-08
(8507)
BACnet Device Object
Identifier 0
BACnet only.
Sets the least significant word of 22-bit virtual address.
Default: 1
Min.: 0
Max.: FFFF
Z3-09
(8508)
BACnet Device Object
Identifier 1
BACnet only.
Sets the most significant word of 22-bit virtual address.
Default: 0
Min.: 0
Max.: 003F
Z3-10
(8509)
Cable Loss Preset Frequency When a serial communications fault is detected and Z3-05=4, the resulting
value will become the frequency reference.
Default: 0
Min.: 0.0 Hz
Max.: 60.0 Hz
Z3-11
(850A)
Communication Fault
Detection Selection
Communication Fault Detection Selection
0: Disabled. Serial communications fault detection is completely disabled.
1: Enabled. Behavior defined by Z3-05.
Default: 1
Range: 0, 1
Z3-12
(850B)
<1>
Network Digital Input Select
Enables and disables control of the digital inputs over a network. Wiring to
the physical digital input is not required.
0: Disable
1: Enable
Default: 0
Range: 0, 1
<1> Available in bypass controller software versions VST800298 and later.
B.14 Z: Bypass Parameters
348
YASKAWA ELECTRIC SIEP YAIZ1B 01D YASKAWA AC Drive – Z1000 Bypass Technical Manual