YASKAWA A1000 User Manual

8 Safe Disable Input Function
YASKAWA ELECTRIC TOEP C710616 27D YASKAWA AC Drive - A1000 Quick Start Guide 37
Safe Disable Status Monitor
With the Safe Disable monitor output (terminals DM+ and DM-), the drive provides a safety status feedback signal. This
signal should be read by the device that controls the Safe Disable inputs (PLC or a safety relay) in order to prohibit
leaving the “Safe Torque Off” status in case the safety circuit malfunctions. Refer to the instruction manual of the safety
device for details on this function.
Digital Operator Display
When both Safe Disable inputs are open, Hbb will flash in the digital operator display.
Should only one of the Safe Disable channels be on while the other is off, HbbF will flash in the display to indicate that
there is a problem in the safety circuit or in the drive. This display should not appear under normal conditions if the Safe
Disable circuit is utilized properly. Refer to General Fault and Alarms on page 31 to resolve possible errors.
OFF ON ON
Safely disabled, “Safe
Torque Off”
HbbF (flashes)
ON ON ON
Baseblock, ready for
operation
Normal display
Safe Disable Input Status Safe Disable Status
Monitor,
DM+ - DM-
Drive Output Status Digital Operator Display
Input 1, H1-HC Input 2, H2-HC

YASKAWA A1000 Specifications

General

Type	AC Drive
Series	A1000
Input Voltage	200-240V, 380-480V
Frequency Range	0-400 Hz
Horsepower Range	0.5 to 1000 HP
Power Range	0.4 to 630 kW
Control Method	V/f Control
Overload Capacity	150% for 60 seconds
Braking	Dynamic Braking
Communication	Modbus
Safety	Safe Torque Off (STO)
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheat
Operating Temperature	-10 to +50°C
Storage Temperature	-20 to 60°C
Humidity	5 to 95% RH (non-condensing)
Enclosure	IP20