LTMT Expansion Unit
A maximum of five LTMT expansion unit can be connected to one LTMT main unit. For more information on LTMT expansion unit refer to LTMT Expansion Unit.
Front Face Description
The LTMT expansion unit front face includes the following features:
| A |
Connector 1 |
| B |
Connector 2 |
| C |
Two RJ45 port for connection of the module to the main unit or other expansion units |
| D |
Status LED |
| E |
Connector 3 |
Status LED
|
LED status |
Description |
|---|---|
|
OFF |
Power OFF. |
|
GREEN ON |
LTMT expansion unit is ready and communicating with LTMT main unit. |
|
RED blinking |
Communication with LTMT main unit is not established. |
|
RED ON |
Internal error detected or configuration error detected . |
Expansion Ports
Each expansion unit has two RJ45 port for connection with the LTMT main unit in daisy chain.
For more information on wiring and connections, refer to TeSys Tera Motor Management System Installation Guide – DOCA0356EN.
4 Digital Inputs and 2 Digital Outputs Expansion Unit
The LTMTIN42•• expansion units have:
-
Four potential free digital inputs (Type 1 according to standard EN61131-2).
-
Two digital outputs with Normally open contacts.
The digital inputs are powered by an external power supply. The input supply voltage for the LTMTIN42BD is 24 Vdc and for the LTMTIN42FM is 100–240 Vac/Vdc.
The LTMTIN42•• expansion units have the following plug-in terminals and pin assignments:
|
Connector |
Terminal |
Description |
|---|---|---|
|
1 |
I.5 |
Digital input 1 |
|
I.C |
Common for digital inputs |
|
|
I.6 |
Digital input 2 |
|
|
2 |
I.7 |
Digital input 3 |
|
- |
No connection |
|
|
I.8 |
Digital input 4 |
|
|
3 |
C1 34 |
Common for digital output |
|
O2 35 |
Digital output 2 |
|
|
O1 33 |
Digital output 1 |