YASKAWA MECHATROLINK-4 JOHB-SMP3, Technical Manual, Page: 17 / 54

7 Transmission Interface
YASKAWA SIEP C730600 0NA MECHATROLINK-4 Technical Manual 17
Command
Code
(Hex.)
Operation
Communication Phases
1 2 3
SYNC_SET 0D Start Synchronous Communication Command - ○ △
CONNECT 0E
Establish Connection Command
○
△ △
DISCONNECT 0F
Release Connection Command
○ ○ ○
MEM_RD 1D
Read Memory Command
- ○ ○
INV_CTL 50 Inverter Operation Control Command - ○ ○
INV_CTL_EX 52
Extended Inverter Operation Control Command
- ○ ○
○: Can be executed, Δ: Ignored, – : Cannot be executed (phase error)
Table 7.3 Sub-Command Communication Phases
Command
Code
(Hex.)
Operation
Communication Phases
1 2 3
NOP 00
No Operation Command
- ○ ○
PRM_RD 01
Read Parameter Command
- ○ ○
PRM_WR 02
Write Parameter Command
- ○ ○
ALM_RD 05 Read Alarm or Warning Command - ○ ○
INV_IO 51
Drive I/O Control Command
- ○ ○
○: Can be executed, – : Cannot be executed (phase error)
◆
Application Layer Specifications
The data format for the application layer conforms to the MECHATROLINK-4 command specifications for
standard inverter profile.
The JOHB-SMP3 option uses the main commands and sub-commands in the following tables.
Table 7.4 Main Commands
Code
(Hex.)
Name Function
00 NOP No Operation Command
01 PRM_RD
Read Parameter Command
02 PRM_WR
Write Parameter Command
03 ID_RD
Read ID Number Command
04 CONFIG RAM Enter and ROM Enter Command
05 ALM_RD
Read Alarm and Warning Command
06 ALM_CLR
Clear Alarm and Warning Command
0D SYNC_SET
Start Synchronous Communication Command
0E CONNECT Connect Command
0F DISCONNECT
Release Connection Command
1D MEM_RD
Read Memory Command
50 INV_CTL
Inverter Operation Control Command
52 INV_CTL_EX Extended Inverter Operation Control Command
Table 7.5 Sub-Commands
Code
(Hex.)
Command Function
00 NOP No Operation Command
01 PRM_RD
Read Parameter Command
02 PRM_WR
Write Parameter Command
05 ALM_RD
Read Alarm and Warning Command
51 INV_I/O Inverter I/O Control Command