Rockwell Automation 1746-INT4 Thermocouple/mV Isolated Input Module Quick Start User Manual
Page 7
Thermocouple/mV Isolated Input Module 7
Publication 1746-QS002B-EN-P - July 2002
Remove/Install the Removable Terminal Block
The module ships with an attached an 18-position removable terminal block (RTB).
When you install the module, it is not necessary to remove the RTB. If you ever
need to remove it, follow this procedure:
1. Alternately loosen the two retaining screws to avoid cracking the RTB.
2. Grasp the RTB at the top and bottom and pull outward and down. When
removing the RTB, be careful not to damage the CJC sensors.
3. Use the write–on label to identify the slot, chassis and module type.
To install the RTB:
1. Remove power from the SLC 500 chassis.
WARNING
!
When you connect or disconnect the Removable Terminal
Block (RTB) with field side power applied, an electrical arc
can occur. This could cause an explosion in hazardous
location installations. Be sure that power is removed or the
area is nonhazardous before proceeding.
CJC sensors
retaining screws
RTB
SLOT
RACK
MODULE