Operation time (minutes)
Cold start
(characteristics when an
overload occurs at a
complete stop)
Hot start
(characteristics when an
overload occurs during
continuous operation at 100%)
Motor current (%)
E2-01 = 100% motor current
10
7
3
1
0.4
0.1
0 100 150 200
Figure D.6 Motor Overload Protection Time
u
Safe Disable Function Description
The Safe Disable function can be utilized to perform a safe stop according to the IEC/EN 61800-5-2, stop category 0
(Uncontrolled stop by power removal). It is designed to meet the requirements of the ISO/EN 13849-1, Safety Category 3, PL
d, and IEC/EN 61508, SIL2.
Removing the voltage from terminal H1 disables the drive output, i.e. the power supply to the motor is cut by stopping the
switching of the output transistors in a safe way. “Hbb” is shown on the display. Safe Disable is applicable for induction and
permanent magnet motors.
u
Installation
If the Safe Disable function is utilized, the wire link between the terminals HC and H1 that is installed at shipment must be
removed entirely.
Connect the drive to an ISO/EN 13849-1, Safety Category 3 interrupting device so that in case of a Safe Disable request the
connection between the terminals HC and H1 is opened.
Power Supply
Controller
HC
H1
ISO/EN 13849-1 Safety
Cat, 3 Device
M
Drive
Figure D.7 Safe Disable Wiring Example
n
Installation Precautions
• To ensure the Safe Disable function appropriately fulfills the safety requirements of the application, a thorough risk
assessment for the safety system must be carried out.
• The drive must be installed in an enclosure with a protection degree of at least IP54 in order to maintain ISO/EN 13849-1,
safety category 3 compliance.
• If the safety device and the drive are installed in separate cabinets, install the Safe Disable wires in a manner preventing
short circuits.
D.3 UL and CSA Standards
YASKAWA TOEP YAIQPM 03B YASKAWA AC Drive - iQpump Micro User Manual
433
D
Standards Compliance
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