Inputs/outputs, Intrinsically safe specifications – Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual User Manual
Page 245

Publication 1797-6.5.6 - June 2005
1797-BIC Bus Isolator Module and 1797-CEC Flexbus Connector 55-3
Inputs/Outputs
Do not apply any non-intrinsically safe signals to the FLEX Ex backplane
connector.
Intrinsically Safe
Specifications
For a full list of specifications, refer to FLEX Ex Bus Isolator Installation
Instructions, publication 1797-5.13.
1797-BIC Specifications
Output (Intrinsically Safe)
(16 pin male and female flexbus
connector)
V
t
<
5.75V dc
I
t
<
398.25mA
C
a
<
39.67uF
L
a
<
210uH
Operational Temperature
-20 to 70
o
C (-4 to 158
o
F)
Agency Certification
Nonincendive, use for Class I, Division 2
Groups A-D or Class I, Zone 2 Group IIC
Provides intrinsically safe outputs to Class I,
Division 1 Groups A-D or Class I, Zone 1
Group IIC
Certificates
FM Certificate Number 3010810
1797-CEC Specifications
Operational Temperature
-20 to 70
o
C (-4 to 158
o
F)
Agency Certification
Nonincendive, use for Class I, Division 2
Groups A-D or Class I, Zone 2 Group IIC
Certificates
FM Certificate Number 3010810
FM
FM