C Standards Compliance
YASKAWA ELECTRIC
TOEP C710616 38H YASKAWA AC Drive-L1000A Quick Start Guide
241
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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
61800-5-2, 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.
Table 72 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
61800-5-2, 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
61800-5-2, 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 61800-5-2.
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 136
to resolve
possible errors.
If a fault in the safety circuit of the drive is detected, “SCF” will be displayed in the LCD operator. This indicates damage
to the drive. Refer to
Fault Displays, Causes, and Possible Solutions on page 132
Validating Safe Disable Function
When you start-up, replace parts or conduct maintenance, you must always perform the following validation test on the
safe disable inputs after completing the wiring. (Check results should be maintained as a record of tests performed.)
• When the H1 and H2 signals turn OFF, confirm that “Hbb” is displayed on the LCD operator, and that the motor is not
in operation.
Drive Model
Safe Disable Input
Safe Disable
Monitor,
EDM (DM+, DM-)
Safe Disable
Monitor,
H2-
= 58
Drive Output
Digital Operator
Display
Input 1,
H1-HC
Input 2,
H2-HC
CIMR-L
A
Off
Off
Off
On
Safely disabled, “Safe Torque
Off”
Hbb (flashes)
On
Off
On
On
Safely disabled, “Safe Torque
Off”
HbbF (flashes)
Of
f
On
On
On
Safely disabled, “Safe Torque
Off”
HbbF (flashes)
On
On
On
Off
Baseblock, ready for
operation
Normal display
CIMR-L
F
Off
Off
On
On
Safely disabled, “Safe Torque
Off”
Hbb (flashes)
On
Off
Off
On
Safely disabled, “Safe Torque
Off”
HbbF (flashes)
Of
f
On
Off
On
Safely disabled, “Safe Torque
Off”
HbbF (flashes)
On
On
Off
Off
Baseblock, ready for
operation
Normal display
TOEP_C710616_38H_7_0.book 241 ページ 2015年11月11日 水曜日 午後7時40分