Specifications – Rockwell Automation 1797-OB4D FLEX Ex 24V DC Nonisolated Source 4 Output Module User Manual
Page 15

FLEX Ex I/O 24V DC 4 Non-Isolated Source Output Module 15
Publication
1797-5.6 - June 2011
Specifications
General
Attribute
Value
Number of outputs
4, nonisolated, sourcing
IS output type
Ex ia IIB/IIC T4,
AEx ia IIC T4,
Class I, II, III Division 1 Groups A, B, C, D, E, F, G T4
IS module type
Ex ib IIB/IIC T4,
AEx ib IIC T4,
Class I Division 1 Groups A…D T4
V-I Characteristics
Refer to Output Voltage versus Current Capability on
page 29
Load range
30…5000
Ω
Fault detection
Fault bits in data table and LED (per channel)
blinking red (1 Hz)
Electronic protection
Lead break, overload, short circuit
Maximum output delay times
OFF to ON
ON to OFF
<1.2 ms
<1.2 ms
Indicators
4 yellow status indicators
4 red fault indicators
1 green module power indicator
Output (intrinsically safe)
(16 pin male and female
FlexBus connector)
U
i
< 5.8V DC
I
i
< 400 mA
L
i
= Negligible
C
i
< 1.35
μF
Isolation path
Output to power supply
Output to FlexBus
Power supply to FlexBus
Output to output
Isolation type
Galvanic to DIN EN 60079-11
Galvanic to DIN EN 60079-11
Galvanic to DIN EN 60079-11
None