5.3 MEMOBUS/Modbus Communications
312
YASKAWA
SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual
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Functions of the Enter Command when Replacing a Previous Generation Drive
When you replace a previous generation Yaskawa drive with this product, you must set the Enter command
function for this product the same as the previous product. The Enter command function is different for Yaskawa
G7, F7-series, and V7-series drives.
Use
H5-11
to set the Enter command function:
•
When replacing G7 and F7 series drives, set
H5-11 = 0 [ENTER Command Required]
.
•
When replacing V7 series drives, set
H5-11 = 1 [ENTER Command Not Required]
.
•
When replacing 1000-series drives, set
H5-11
to the same value as the drive you replaced.
Table 5.13 Enter Command Function Differences
H5-11 Settings
H5-11 = 0
H5-11 = 1
The drive you replaced
G7, F7
V7
Time when the parameter settings are enabled
When the drive receives the Enter command from the
master
When you change the parameter settings
Upper and lower limit check
Checks the upper and lower limits and considers the
related parameter settings.
Checks the upper and lower limit of the changed
parameter only.
Default setting of related parameters
Will not change related parameter settings. You must
change the parameters manually.
Automatically changes the default settings for the related
parameters.
Fault detection when you set more than one parameter
Accepts and responds as usual to correct setting data if the
data contains parameter setting errors. The drive discards
the disabled setting data, but will not return an error
message.
If there is a setting error in a parameter, the drive
responds with a fault. The drive discards the data that was
sent.
◆
Self-Diagnostics
The drive is capable of self-diagnosing the operation of the serial communications interface circuit. This function
is called Self-Diagnostics. Self-Diagnostics connects the transmission terminal of the communication part with the
reception terminal and transmits the data that the drive has sent, checking whether the drive is able to
communicate usually.
Follow the procedure below to perform Self-Diagnostics.
1.
Energize the drive.
2.
Set
H1-06 = 67 [Terminal S6 Function Selection = Communications Test Mode]
.
3.
De-energize the drive.
4.
Connect the control circuit terminal S6 to SN.
Figure 5.8 Terminal Connection of the Communication Part when Performing Self-Diagnostics
5.
Energize the drive.
6.
When normal,
PASS [Modbus Communication Test]
is displayed on the keypad.
When there is an error,
CE [Modbus Communication Error]
is displayed on the keypad.
7.
De-energize the drive.
8.
Disconnect the wire jumper from terminal S6-SN. Also, set terminal S6 to its original function.
9.
Self-Diagnostics is completed and returns to normal functionality.
Содержание CR700
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