YASKAWA GA700 Series Technical Manual page 1016

2. Addition of U4-75 [Comm Option Type]
U4-75 [Comm Option Type] has been added on as a monitor capable of checking the protocol of currently connected
communication options.
No.
Name
(Hex.)
U4-75 Comm Option Type
(1BC4)
Table 2.1 Relationship Between U4-75 Value and Communication Protocol
Communication Protocol
(Communication Option)
Modbus TCP/IP (SI-EM3)
EtherNet/IP (SI-EN3) or
PROFINET (SI-EP3)
EtherCAT (SI-ES3)
CC-Link (SI-C3)
DeviceNet (SI-N3)
PROFIBUS-DP (SI-P3)
CANopen (SI-S3)
MECHATROLINK-Ⅱ (SI-T3)
Displays the protocol of the communication option currently connected
to the drive.
For details on the relationship between protocols and displayed values,
refer to Table 2.1.
U4-75 value
(Hex.)
1
2
4
8
9
A
B
D
Description
Communication Protocol
(Communication Option)
LONWORKS (SI-W3)
MECHATROLINK-Ⅲ (SI-ET3)
Protocol not set (JOHB-SMP3)
Modbus TCP/IP (JOHB-SMP3)
EtherNet/IP (JOHB-SMP3)
EtherCAT (JOHB-SMP3)
PROFINET (JOHB-SMP3)
Communication Option not
Connected
MFAO Signal
Level
No signal output
available
U4-75 value
(Hex.)
11
12
70
71
72
74
78
FF
Document No. EZZ024429
Prepared in March 2022
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