6-70
Related Constants
* Set H5-01 to 0 to disable Inverter responses to MEMOBUS communications.
MEMOBUS communications can perform the following operations regardless of the settings in b1-01 and
b1-02.
• Monitoring operation status of the inverter
• Setting and reading constants
• Resetting errors
• Inputting multi-function commands. (An OR operation is performed between the multi-function com-
mands input from the PLC and commands input from multi-function contact input terminals S3 to S7.)
Con-
stant
Number
Name Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Access
Level
b1-01 Reference source selection
Sets the frequency reference input source
0: Digital Operator
1: Control circuit terminal (analog input)
2: MEMOBUS communications
3: Option Card
0 to 3 1 No Q
b1-02 RUN command Source Selection
Sets the run command input source
0: Digital Operator
1: Control circuit terminal (digital multifunction inputs)
2: MEMOBUS communications
3: Option Card
0 to 3 1 No Q
H5-01 Station address Sets the Inverter station address [hex].
0 to 20
*
1F No A
H5-02 Baud rate selection
Sets the baud rate for MEMOBUS communications.
0: 1200 bps
1: 2400 bps
2: 4800 bps
3: 9600 bps
4: 19200 bps
0 to 4 3 No A
H5-03 Communications parity selection
Sets the parity for MEMOBUS communications.
0: No parity
1: Even parity
2: Odd parity
0 to 2 0 No A
H5-04
Communications error detection
selection
Sets the stopping method for communications errors.
0: Deceleration to stop using the deceleration time in
C1-02
1: Coast to a stop
2: Emergency stop using the deceleration time in C1-09
3: Continue operation
4:
Continue operation with the frequency reference set in
d1-04.
0 to 4 3 No A
H5-05
Communications error detection
selection
Sets whether or not a communications timeout is to be
detected as a communications error.
0: Do not detect
1: Detect
0 or 1 1 No A
H5-06 Send wait time
Sets the time from the Inverter receiving data to when the
Inverter starts to send.
5 to 65
ms
5 ms No A
H5-07 RTS control ON/OFF
Enables or disables RTS control.
0: Disabled (RTS is always ON)
1: Enabled (RTS turns ON only when sending)
0 or 1 1 No A
H5-08 Communications Selection
Selects the Protocol for the Communication
0: Memobus
1: N2 protocol
2: PI protocol
0 to 2 0 No A
H5-09 CE detection time
Sets the time before CE error (Communication error) is
detected when MEMOBUS communication is used.
0.0 to
10.0 sec
2.0 sec No A
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