Physical Description
Introduction
This section describes the physical characteristics of the TM3 analog expansion modules. The modules, depending on the reference, support removable screw or spring terminal block.
TM3 Analog I/O Modules with Removable Screw or Spring Terminal Block
The following figure shows the main elements of TM3 analog expansion modules with removable screw or spring terminal block:
This table describes the main elements of the TM3 expansion modules shown above:
|
N° |
Description |
Refer to |
|---|---|---|
|
1 |
Power supply LED |
– |
|
2 |
Clip-on lock for 35 mm (1.38 in.) top hat section rail (DIN-rail) |
|
|
3 |
Removable terminal block (spring) |
|
|
4 |
Expansion connector for TM3 I/O bus (one on each side) |
– |
|
5 |
Locking device for attachment to the previous module |
– |
|
6 |
Removable terminal block (screw) |