Omron V1000 User Manual

The following figure explains the working principle of feedback loss detection when the feedback signal is too low.
Feedback high detection works in the same way.
PID feedback value
PID
Feedback
Detection
Loss Level
(b5-13)
PID Feedback
Loss Detection Time
(b5-14)
no FbL
detection
FbL detection
time
PID Feedback
Loss Detection Time
(b5-14)
Figure 5.20 PID Feedback Loss Detection
The parameters necessary to set up the feedback loss detection are explained below.
n
b5-12: PID Feedback Loss Detection Selection
Enables or disables the feedback loss detection and sets the operation when a feedback loss is detected.
No. Parameter Name Setting Range Default
b5-12 PID Feedback Loss Detection Selection 0 to 5 0
Setting 0: Digital Output Only
A digital output set for “PID feedback low” (H2- = 3E) will be triggered if the PID feedback value is below the
detection level set to b5-13 for the time set to b5-14 or longer. A digital output set for “PID feedback high” (H2- =
3F) will be triggered if the PID feedback value is beyond the detection level set to b5-36 for the time set to b5-37 or longer.
Neither a fault nor an alarm is displayed on the digital operator. The drive will continue operation. When the feedback
value leaves the loss detection range, the output is reset.
Setting 1: Feedback Loss Alarm
If the PID feedback value falls below the level set to b5-13 for longer than the time set to b5-14, a “FBL - Feedback Low”
alarm will be displayed and a digital output set for “PID feedback low” (H2- = 3E) will be triggered. If the PID
feedback value exceeds the level set to b5-36 for longer than the time set to b5-37, a “FBH - Feedback High” alarm will
be displayed and a digital output set for “PID feedback high” (H2- = 3F) will be triggered. Both events trigger an
alarm output (H1- = 10). The drive will continue operation. When the feedback value leaves the loss detection range,
the alarm and outputs are reset.
Setting 2: Feedback Loss Fault
If the PID feedback value falls below the level set to b5-13 for longer than the time set to b5-14, a “FBL - Feedback Low”
fault will be displayed. If the PID feedback value exceeds the level set to b5-36 for longer than the time set to b5-37, a
“FBH - Feedback High” fault will be displayed. Both events trigger a fault output (H1- = E) and cause the drive to
stop the motor.
Setting 3: Digital Output Only, Even if PID is Disabled by Digital Input
Same as b5-12 = 0. Detection is still active even if PID is disabled by a digital input (H1- = 19).
Setting 4: Feedback Loss Alarm, Even if PID is Disabled by Digital Input
Same as b5-12 = 1. Detection is still active even if PID is disabled by a digital input (H1- = 19).
Setting 5: Feedback Loss Fault, Even if PID is Disabled by Digital Input
Same as b5-12 = 2. Detection is still active even if PID is disabled by a digital input (H1- = 19).
n
b5-13: PID Feedback Low Detection Level
Sets the feedback level used for PID feedback low detection. The PID feedback has to fall below this level for longer than
the time b5-14 before feedback loss is detected.
No. Name Setting Range Default
b5-13 PID Feedback Low Detection Level 0 to 100% 0%
n
b5-14: PID Feedback Low Detection Time
Sets the time that the PID feedback has to fall below b5-13 before feedback loss is detected.
5.2
b: Application
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SIEP C710606 20 OYMC AC Drive - V1000 User Manual
7/16/2008-13:23

Omron V1000 Specifications

General

Cooling Method	Fan cooling
Enclosure Rating	IP20
Communication	Modbus RTU
Output Power	0.4-15kW
Output Frequency Range	0 to 400 Hz
Overload Capacity	150% for 60 seconds
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheating, Short Circuit
Operating Temperature	-10°C to +50°C
Storage Temperature	-20°C to +65°C
Humidity	5 to 95% RH (non-condensing)
Supply Voltage	200-240V AC (3-phase)