Rockwell Automation 1797-IRT8 FLEX Ex Thermocouple/RTD/mV Input Module User Manual - Manual (Page 31)

Publication 1797-6.5.2 - February 2001
How to Install Your FLEX Ex Thermocouple/RTD/mV Module 3-7
1. Lay out the required points on the wall/panel as shown in the
drilling dimension drawing.
2. Drill the necessary holes for the #6 self-tapping mounting
screws.
3. Mount the mounting plate (1) for the adapter module using two
#6 self-tapping screws (18 included for mounting up to 8
modules and the adapter).
Make certain that the mounting plate is properly grounded to the
panel. Refer to “Industrial Automation Wiring and Grounding
Guidelines,” publication 1770-4.1.
4. Hold the adapter (2) at a slight angle and engage the top of the
mounting plate in the indention on the rear of the adapter
module.
5. Press the adapter down flush with the panel until the locking
lever locks.
6. Position the terminal base unit up against the adapter and push
the female bus connector into the adapter.
7. Secure to the wall with two #6 self-tapping screws.
8. Repeat for each remaining terminal base unit.
1 3 2 4
+V +V -V -V
ATTENTION: Be careful of metal chips when
drilling cable mounting holes. Do not drill holes
above a system that has any modules installed.
40871
Drilling Dimensions for Panel/Wall Mounting of FLEX Ex I/O
1.4
(35.5)
.61
(15.6)
2.3
(58.5)
1.6
(40.5)
.3
(8)
1.4
(35.5)
2.3
(58.5)
1.4
(35.5)
.83 (21)
2.0
(50)
Inches
(Millimeters)
Cable length
approximately 11.5
(292.1) or 35.5
(901.0) from upper
connector [length
depends upon
cable -1ft (0.3m) or
3ft (0.091m)]
!