• A sequence to open and close the holding brake appears in the diagram below.
Time
UP
S1-SC
OFF
d1-03
d1-01 (Enabled when b1-01 = 0)
L4-01
b4-01
OFF
DC Injection braking
ON
ON
MA-MC
Holding brake
Output frequency
0
Frequency Detection 2
(H2-01=5)
Closed Closed
Open
b6-02
b6-01
Output
Figure 4.21 Holding Brake Time Chart
u
Drive Status Monitors: U1-01 to U4-13
Parameter group U displays various data regarding the operating status of the drive.
The following example demonstrates viewing output voltage reference (U1-06).
Step Display/Result
1. Turn on the power to the drive. The initial display appears.
2.
Press until “Monitor Display” appears.
3.
Press to enter the Parameter Setting Screen.
4.
Press until U1-06 appears.
5.
Press to display the voltage reference. The Output Voltage
Reference appears.
Refer to Parameter List on page 197 for more details about Drive Status Monitors.
Table 4.8 Drive Status Monitors
No. Parameter Name Page
U1-01 Frequency Reference 216
U1-02 Output Frequency 216
U1-03 Output Current 216
U1-06 Output Voltage Reference 216
U1-07 DC Bus Voltage 216
U1-10 Input Terminal Status 216
U1-11 Output Terminal Status 216
No. Parameter Name Page
U1-13 Terminal A1 Input Voltage 217
U1-19 MEMOBUS/Modbus Error Code 217
U1-25 Software Number (ROM) 217
U1-26 Software Number (Flash) 217
U2-01 Current Fault 217
U2-02 Previous Fault 217
U4-01 Accumulated Operation Time 217
4.5 Basic Operation
YASKAWA ELECTRIC TOEP C710606 25B YASKAWA AC Drive J1000 Installation & Start-Up Manual
109
4
Start-Up Programming
& Operation
2/6/2008-14:44
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