ES601Plus OPERATING MANUAL
Symbol Definitions
The following symbols may be found on ES601:
CONSULT MANUAL FOR PROPER OPERATION
The operating manual provides valuable information on the proper use of ES601Plus. It is highly recommended
the operator read the instructions thoroughly before operating the device. It is possible to damage the Device
Under Test (DUT) and/or cause harm to the operator if ES601Plus is used incorrectly.
AUX1: LINE VOLTAGE TO FLOATING I/O ~264V max
During testing of the isolation of (floating) input/output connections on the DUT, an AC voltage of 110% of the
line voltage is applied to the AUX1 (CAT I) connector (Yellow 4mm banana jack), which is connected to the
(floating) input/output connector(s). This AC voltage may reach a maximum of ~264 VAC and, while current
limited, represents a serious shock hazard to the operator. Proper precautions should be taken when performing
a test which includes the application of this voltage to the (floating) input/output connector(s). When a hazardous
voltage is present at the AUX1 connector, a red LED adjacent to the AUX1 connector will be ON .
APPLIED PARTS: Hazardous Voltage: 264 VAC or 500 VDC max
This warning appears on the Applied Parts label on the front of ES601Plus. During testing of the isolation of the
DUT Applied Parts with respect to either ground, or to the power input leads, a voltage of either 110% of the AC
line voltage or 500 VDC may be present on the Applied Parts (CAT I) connectors. This voltage may reach a
maximum of ~264 VAC or 500 VDC and, while current limited, represents a serious shock hazard to the operator.
Proper precautions should be taken when performing a test which includes the application of this voltage to the
Applied Parts connectors. When a hazardous voltage is present at the Applied Parts connectors, a red LED
adjacent to the warning on the Applied Parts label will be ON .
CAUTION: Electrical Shock Hazard, Refer Servicing to Qualified Personnel
CAUTION: Consult Accompanying Documents
These warnings appear on the serial number label of ES601Plus. ES601Plus contains hazardous electrical
voltages internally which WILL BE present when the covers are removed. The operator should read the Operating
Manual to determine what actions to take in the event of failure of ES601Plus. Refer to the Troubleshooting and
Maintenance Section of the Operating Manual.
Definitions # Page xii
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