Proface LT4300M - 5.7 Modular HMI + Control" - Manual (Page 33)

LT-4201TM/4301TM Hardware Manual
33
The wire sizes to use with the removable terminal blocks is 0.20 to 0.81 mm 2 (AWG 24 to 18).
Terminal Block
Not plugging the terminal block into rear module correctly can cause an electric shock or
unintended operation of the application and/or can damage the rear module.
NOTE: When installing the terminal blocks to the rear module, please keep the display module
unmounted.
NOTE: To help prevent a terminal block from being inserted incorrectly, clearly and uniquely code
and label each terminal block and rear module.
Avoid temperature changes on the thermocouple’s connection terminal. Temperature
measurements may not be accurate due to temperature changes in the cold junction (LT
connection terminal for the thermocouple compensation cable).
The figure shows the labels on each terminal block:
NOTE: Appearance of the connectors are the same but are different. Check the label and pin
position of each connector before connecting.
DANGER
FIRE HAZARD
Use only the recommended wire sizes for I/O channels and power supplies.
Failure to follow these instructions will result in death or serious injury.
DANGER
UNINTENDED EQUIPMENT OPERATION OR ELECTRIC SHOCK
Be sure to connect the terminal blocks to their designated location.
Failure to follow these instructions will result in death or serious injury.