Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual - Manual (Page 116)

Publication 1797-6.5.6 - June 2005
25-2 1797-OB4D FLEX Ex 24V dc Non-Isolated Source 4 Output Module
Intrinsically Safe
Specifications For a full list of specifications, refer to FLEX Ex 24V dc Non-Isolated Source
4 Output Module Installation Instructions, publication 1797-5.6.
UL, C-UL I/O Entity
Parameters Wiring Methods
• Wiring method 1: Each channel is wired separately.
• Wiring method 2: Multiple channels in one cable, providing each
channel is separated in accordance with the National Electric Code
(NEC) or Canadian Electric Code (CEC).
ATTENTION
Do not use any unused terminals on this terminal base unit.
Using these terminals as supporting terminals can result in
damage to the module and/or unintended operation of
your system.
Operating Temperature -20 to +70 o C (-4 to +158 o F)
Agency Certification Class I Division 1 Groups A-D T4
Class I Zone 1 AEx ib[ia] IIC T4
Class II Division 1 Groups E, F, G; Class III
Certificates UL Certificate Number 99.19699
C US