This section describes the physical characteristics of the TM3 modules. The modules, depending on the reference, support removable screw or spring terminal block.
TM3 with Removable Screw or Spring Terminal Block
The following figure shows the main elements of a TM3 expansion module with removable screw or spring terminal block:
This table describes the main elements of the TM3 expansion modules shown above:
|
Label |
Elements |
|
|---|---|---|
|
1 |
Power supply LED. |
|
|
2 |
Clip-on lock for 35 mm (1.38 in.) top hat section rail (DIN-rail). |
|
|
3 |
Removable terminal block. |
|
|
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. |
|
