Intrinsically safe specifications, Repair, Intrinsically safe specifications -2 repair -2 – Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual User Manual
Page 172
Publication 1797-6.5.6 - June 2005
37-2 1797-BCNR Redundant ControlNet Ex Barrier
Intrinsically Safe
Specifications
The ControlNet Ex barrier type 1797-BCNR is an associated apparatus
according to EN 50020. If the ControlNet Ex barrier is connected to
intrinsically-safe circuits, the applicable national and local construction,
installation, and operating regulations must be heeded (in Germany DIN EN
50020, DIN VDE 0165).
For a full list of specifications, refer to Redundant ControlNet Barrier
Installation Instructions, publication 1797-5.1x.
Repair
The ControlNet Ex barrier is not field-repairable. Any attempt to open this
device will void the warranty and IS certification. If repair is necessary, return
this device to the factory.
1797-BCNR Specifications
IS Output
(BNC Connector in Blue Area)
Maximum open circuit voltage U
o
is 7V
Maximum current I
o
is 14mA (at the resonant
frequency of 66kHz)
Operating Temperature
-20 to +70
o
C (-4 to +158
o
F)
Agency Certification
II (2) G [EEx ib] IIC
Certificates
DMT 99 ATEX E xxx X
0102