Yaskawa CIMR-LU Drives User Manual
Page 239
C Standards Compliance
YASKAWA ELECTRIC TOEP C710616 38F YASKAWA AC Drive L1000A Quick Start Guide
239
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Safe Disable Monitor Output Function and Digital Operator Display
Note: Terminals H1, H2, DM+, and DM- on 600 V class models are designed to the functionality, but are not certified to IEC/EN
61800-5-1, ISO/EN 13849 Cat. 3, IEC/EN 61508 SIL2, Insulation coordination: class 1.
The table below explains the drive output and Safe Disable monitor state depending on the Safe Disable inputs.
Safe Disable Status Monitor
Note: Terminals H1, H2, DM+, and DM- on 600 V class models are designed to the functionality, but are not certified to IEC/EN
61800-5-1, ISO/EN 13849 Cat. 3, IEC/EN 61508 SIL2, Insulation coordination: class 1.
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
Note: Terminals H1, H2, DM+, and DM- on 600 V class models are designed to the functionality, but are not certified to IEC/EN
61800-5-1, ISO/EN 13849 Cat. 3, IEC/EN 61508 SIL2, Insulation coordination: class 1.
In contrast to terminals DM+/DM-, the safe disable monitor function that can be programmed for a digital output (H2-
= 58) is a software function and can be used for EN81-1 conform one contactor solutions but not as an EDM signal
according to IEC/EN 61800-5-1.
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 Alarm Codes, Causes, and Possible Solutions on page 134
to resolve
possible errors.
Safe Disable Input Status
Safe Disable Status
Monitor,
DM+ - DM–
Safe Disable Status
Monitor,
H2-
= 58
Drive Output Status
Digital Operator
Display
Input 1, H1-HC Input 2, H2-HC
Off
Off
Off
On
Safely disabled, “Safe Torque Off”
Hbb (flashes)
On
Off
On
On
Safely disabled, “Safe Torque Off”
HbbF (flashes)
Off
On
On
On
Safely disabled, “Safe Torque Off”
HbbF (flashes)
On
On
On
Off
Baseblock, ready for operation
Normal display
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