5.3 MEMOBUS/Modbus Communications
YASKAWA
SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual
313
◆
Communications Data Table
, and
Broadcast Messages on page 328
list the
communications data. The data types are command data, monitor data, and broadcast message.
Refer to the Parameter List for parameters and the corresponding communications registers.
■
Command Data
The command data can be read and written.
Note:
Set the reserved bit to 0. Also, do not write the data in the reserved register and the monitor register.
Table 5.14 MEMOBUS/Modbus Communications Command Data
Register No.
(Hex.)
Description
0000
Reserved
0001
Run command, multi-function input command
bit 0
Forward run/Stop
1: Forward run, 0: Stop
bit 1
Reverse run/Stop
1: Reverse run, 0: Stop
bit 2
External Fault
1: EF0 [Option Card External Fault]
bit 3
Fault Reset
1: Reset command
bit 4
Multi-function input 1
When
H1-01 = 40 [Forward RUN (2-Wire)]
, the multi-function input command is
“
ComRef
”
.
Note:
When the bit is switched ON as ComRef, the frequency reference source changes to MEMOBUS/Modbus
communications. However, the frequency reference source gives priority to the communications option when the
communication option is connected to the drive.
bit 5
Multi-function input 2
When the multi-function input command is
H1-02 = 41 [Reverse RUN (2-Wire)]
, bit 5 is
“
ComCtrl
”
.
Note:
When the bit is switched ON as ComCtrl, the Run command source changes to MEMOBUS/Modbus communications.
However, the Run command source gives priority to the communications option when the communication option is
connected to the drive.
bit 6
Multi-function input 3
bit 7
Multi-function input 4
bit 8
Multi-function input 5
bit 9
Multi-function input 6
bit A
Multi-function input 7
bit B
Multi-function input 8
bit C
Multi-function input 9
bit D
Multi-function input 10
bit E - F
Reserved
0002
Frequency Reference
The units are determined by
o1-03 [Frequency Display Unit Selection]
(unsigned).
0003
Output voltage gain
Units: 0.1 %
Setting range: 20 (2.0%) to 2000 (200.0%), the default value at power up: 1000 (100.0%)
0004
Torque reference/torque limit (0.1% signed)
0005
Torque compensation (0.1% signed)
0006
Reserved
0007
Setting for the multi-function analog monitor output terminal 1 (10 V/4000 H)
0008
Setting for the multi-function analog monitor output terminal 2 (10 V/4000 H)
Содержание CR700
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