National Instruments CB-27 Installation Manual - Specifications
CB-27 Connector Block Installation Guide
8
ni.com
Specifications
These ratings are typical at 25 °C unless otherwise stated.
Maximum Working Voltage
Maximum working voltage refers to the signal voltage plus the
common-mode voltage.
Each input must remain within
±20 V of ground.
Safety
The CB-27 meets the requirements of the following standards for safety
and electrical equipment for measurement, control, and laboratory use:
•
EN 61010-1, IEC 61010-1
•
UL 3121-1
•
CAN/CSA C22.2 No. 1010.1
Note
For UL and other safety certifications refer to the product label or to
ni.com
.
Electromagnetic Compatibility
CE, C-Tick, and FCC Part 15 (Class A) Compliant
Electromagnetic emissions .....................EN 55011, ISM Group I,
Class A at 10 m
FCC Part 15A above 1 GHz
Electromagnetic immunity .....................Evaluated to EN 61326-1;
A1:1998, Table 1
Note
For full EMC compliance, you must operate this device with shielded cabling. In
addition, all covers and filler panels must be installed. Refer to the Read Me First: Safety
and Radio-Frequency Interference document for FCC Regulatory statements and related
information.
CE Compliance
The CB-27 meets the following amended essential requirements of
applicable European Directives for CE marking:
•
Low-Voltage Directive (safety): 73/23/EEC
•
Electromagnetic Compatibility Directive (EMC): 89/336/EEC