YASKAWA L1000V Technical Manual page 264

C.4 Safe Disable Input Function
n
Safe Disable Monitor Output Function and Digital Operator Display
The table below explains the drive output and Safe Disable monitor state depending on the Safe Disable inputs.
Internally, the L1000V drive has two Safe Disable input channels which are bridged and connected to the H1 terminal.
Safe Disable Input Status
Input 1, H1-HC
Off
On
Off
On
Safe Disable Status Monitor
With the Safe Disable monitor output (digital output programmed to H2-
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. This is a software function and can
be used for EN81-1 conform one contactor solutions, but not as an EDM signal according to EN61800-5-1.
264
Safe Disable Status
Monitor,
Input 2, H2-HC
H2-
Off On
Off On
On On
On Off
YASKAWA EUROPE SIEP
Drive Output Status
= 58
Safely disabled, "Safe Torque Off"
Safely disabled, "Safe Torque Off"
Safely disabled, "Safe Torque Off"
Baseblock, ready for operation
Digital Operator Display
Hbb (flashes)
HbbF (flashes)
HbbF (flashes)
Normal display
=58), the drive provides a status feedback
YASKAWA AC Drive L1000V Technical Manual