Installing Analog Input/Output Modules

At a Glance

The analog input/output modules are powered by the rack bus. The modules may be installed and uninstalled without turning off power supply to the rack, without causing any hazards and without there being any risk of damage or disturbance to the PLC.

Fitting operations (installation, assembly and disassembly) are described below.

Installation Precautions

The Modicon X80 analog modules may be installed in any of the positions in the rack except:

the positions reserved for the rack power supply modules (marked PS, PS1, and PS2),
the positions reserved for extended modules (marked XBE),
the positions reserved for the CPU in the main local rack (marked 00 or marked 00 and 01 depending on the CPU),
the positions reserved for the (e)X80 adapter module in the main remote drop (marked 00).

Power is supplied by the bus at the bottom of the rack (3.3 V and 24 V).

Before installing a module, you must take off the protective cap from the module connector located on the rack.

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

While mounting / removing the modules, make sure that the terminal block is still connected to the shield bar and disconnect the voltage of sensors and pre-actuators.

Failure to follow these instructions will result in death or serious injury.

NOTE: All modules are calibrated at factory before being shipped. Generally it is not necessary to calibrate the module. However, for certain applications or because of standard requirements (e.g. in pharmaceuticals) it may be advisable or even necessary to re-calibrate the module in specified time intervals.

Module Installation

The table below presents the procedure for mounting the analog input/output modules on the rack:

Step	Action
1	Remove the protective cover from the connector of the module slot on the Modicon X80 rack.
2	Position the locating pins situated at the rear of the module (on the bottom part) in the corresponding slot in the rack.
3	Swivel the module towards the top of the rack so that the module sits flush with the back of the rack.
4	Tighten the mounting screw on top of the module to hold in place on the rack. Tightening torque: 0.4...1.5 N•m (0.30...1.10 lbf-ft).

WARNING

UNINTENDED EQUIPMENT OPERATION

Check that the mounting screw is securely tightened to ensure the module is firmly attached to the rack.

Failure to follow these instructions can result in death, serious injury, or equipment damage.