Hardware reference guide

Intrinsically Safe Modules
392
35013379 11/2011
Wiring Type and Grounding
Shielded twisted pair wires shall be used for each of the input or output pairs
connected to the Quantum Intrinsically Safe module blue terminal strip. The wire
gauge size can be between AWG 20 and AWG 12. Each twisted pair wire shield
must be connected to the ground screws on the backplane, at the module end, and
left open at the field device connection end in the hazardous area. The instruction
sheet packaged with each Quantum Intrinsically Safe module contains a wiring
diagram applicable to that type of module.
Module Figure
The following diagram is a view of a typical input or output module.
Agency Approvals
z CENELEC Zone 1, Gas Group IIC, IIB, and IIA
z CSA Class 1, Div 1, Gas groups A, B, C, and D
z FM Class 1, Div 1, Gas groups A, B, C, and D
z UL Class 1, Div 1, Gas groups A, B, C and D