YASKAWA G7 Series User Manual

7-12
CE
(blinking)
modbus
Com Err
MODBUS Communications Error
Normal reception was not possible for
2 s or longer after received control
data.
-
Check the communications devices
and signals.
BUS
(blinking)
Option
Com Err
Option Card Communications
Error
A communications error occurred in a
mode where the run command or a
frequency reference is set from an
Communications Option Card.
-
Check the communications devices
and signals.
CALL
(blinking)
Com
Call
Communications on Standby
Control data was not normally
received when power was turned ON.
-
Check the communications devices
and signals.
E-15
SI-F/G
Com Err
SI-F/G Communications Error
Detected
A communications error was detected
when a run command or frequency
reference was set from an Option Card
and continuous operation was set for
the E-15 operation selection.
- Check the communications signals.
Table 7.2 Alarm Displays and Processing (Continued)
Display Meaning Probable causes Corrective Actions
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YASKAWA G7 Series Specifications

General

Series	G7
Frequency	50/60 Hz
Output Voltage	Matches Input Voltage
Control Method	V/f Control
Overload Capacity	150% for 60 seconds
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheating, Short Circuit
Communication	RS-485, Modbus, DeviceNet, Profibus, Ethernet
Safety	Safe Torque Off (STO)
Operating Temperature	-10°C to 50°C
Humidity	5% to 95% (non-condensing)
Cooling Method	Fan Cooled
Enclosure Rating	IP20
Storage Temperature	-20°C to 65°C