SAFETY TERMS IN THIS MANUAL
This device has been designed and tested to meet the requirements of EN61010-1
(Safety Requirements for Electrical Equipment for Measurement, Control and
Laboratory Use). It is an Installation Category II device intended for operation from
a normal single phase supply. The DIO relay controls are rated to 250 V ac CAT I
and should not be used in applications that exceed that rating.
This Users Manual
contains information, warnings and cautions. Use of this equipment in a manner
not specified herein may impair the protection provided by the equipment.
Measurement category I is for measurements performed on circuits not directly
connected to MAINS. Examples are measurements on circuits not derived from
MAINS, and specially protected (internal) MAINS derived circuits.
Measurement category II is for measurements performed on circuits directly
connected to the low voltage installation. Examples are measurements on
household appliances, portable tools and similar equipment.
XW
WARNING statements identify conditions or practices that could result in
personal injury or loss of life.
XW
CAUTION statements identify conditions or practices that could result in
damage to equipment.
SYMBOLS MARKED ON EQUIPMENT:
X
WARNING Risk of electric shock.
J
Ground (earth) terminal.
.
Protective ground (earth) terminal. Must be connected to safety earth
ground when the power cord is used.
W
Attention. Refer to the manual. This symbol indicates that information
about usage of a feature is contained in the manual. This symbol
appears on the Universal Input Module and in the following two places
on the device rear panel:
1.
Ground Binding Post (to the left of the line power connector).
2.
Alarm/Trigger I/O and Digital I/O connectors.
AC POWER SOURCE
The device is intended to operate from an ac power source that will not apply more
than 264 V ac rms between the supply conductors or between either supply
conductor and ground. A protective ground connection by way of the grounding
conductor in the power cord is required for safe operation.
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