u
H5: MEMOBUS/Modbus Serial Communication
No.
(Addr.
Hex)
Name
LCD Display
Description
Values
Page
H5-01
(425)
Drive Slave Address
Serial Comm Adr
Selects drive station slave number (address) for MEMOBUS/
Modbus terminals R+, R-, S+, S-. Cycle power for the setting
to take effect.
Default: 1F (Hex)
Min.: 0
Max.: FF
H5-02
(426)
Communication Speed
Selection
Serial Baud Rate
0: 1200 bps
1: 2400 bps
2: 4800 bps
3: 9600 bps
4: 19.2 kbps
5: 38.4 kbps
6: 57.6 kbps
7: 76.8 kbps
8: 115.2 kbps
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
Cycle power for the setting to take effect.
Default: 3
Range: 0 to 8
H5-03
(427)
Communication Parity
Selection
Serial Com Sel
0: No parity
1: Even parity
2: Odd parity
0: No parity
1: Even parity
2: Odd parity
Cycle power for the setting to take effect.
Default: 0
Range: 0 to 2
H5-04
(428)
Stopping Method after
Communication Error
(CE)
Serial Fault Sel
0: Ramp to Stop
1: Coast to Stop
2: Fast-Stop
3: Alarm Only
4: Alarm(d1-04)
0: Ramp to stop
1: Coast to stop
2: Fast Stop
3: Alarm only
4: Run at d1-04
Default: 3
Range: 0 to 4
H5-05
(429)
Communication Fault
Detection Selection
Serial Flt Dtct
0: Disabled
1: Enabled
0: Disabled
1: Enabled
If communication is lost for more than two seconds, a CE fault
will occur.
Default: 1
Range: 0, 1
H5-06
(42A)
Drive Transmit Wait
Time
Transmit WaitTIM
Set the wait time between receiving and sending data.
Default: 5 ms
Min.: 5
Max.: 65
H5-07
(42B)
RTS Control Selection
RTS Control Sel
0: Disabled
1: Enabled
0: Disabled. RTS is always on.
1: Enabled. RTS turns on only when sending.
Default: 1
Range: 0, 1
H5-08
(62D)
Communication
Protocol Selection
Protocol Select
0: MEMOBUS
1: N2
2: P1
3: BACnet
Selects the communication protocol.
0: MEMOBUS/Modbus
1: N2 (Metasys)
2: P1 (APOGEE FLN)
3: BACnet
Default: 0
Range: 0 to 3
H5-09
(435)
CE Detection Time
CE Detect Time
Sets the time required to detect a communications error.
Adjustment may be needed when networking several drives.
Default: 2.0 s
Min.: 0.0
Max.: 10.0
H5-10
(436)
Unit Selection for
MEMOBUS/Modbus
Register 0025H
CommReg 25h Unit
0: 0.1 V
1: 1 V
0: 0.1 V units
1: 1 V units
Default: 0
Range: 0, 1
H5-11
(43C)
Communications
ENTER Function
Selection
Enter CommandSel
0: Enter Required
1: No EnterRequired
0: Drive requires an Enter command before accepting any
changes to parameter settings.
1: Parameter changes are activated immediately without the
Enter command (same as V7).
Default: 0
Range: 0, 1
H5-12
(43D)
Run Command Method
Selection
Run CommandSel
0: FWD Run &REV
Run
1: Run & FWD/REV
0: FWD/Stop, REV/Stop
1: Run/Stop, FWD/REV
Default: 0
Range: 0, 1
H5-14
(310D) BAC Dev Obj ID 0
BAC Dev Obj Id 0
BACnet device object ID
Default: 1
Range: 0 to FFFF
H5-15
(310E) BAC Dev Obj ID 1
BAC Dev Obj Id 1
BACnet device object ID
Default: 0
Range: 0 to 3F
<1> If this parameter is set to 0, the drive will be unable to respond to MEMOBUS/Modbus commands.
A.9 H Parameters: Multi-Function Terminals
212
YASKAWA SIEP YAIZ1U 03B YASKAWA AC Drive – Z1000 Programming Manual