TopMessage - Modular Design
Master and Slaves
The TopMessage series has 2 types of devices: masters and slaves. The master device contains the CPU unit and data storage capability. Salve devices serve as extensions to the master device. Each device can be equipped with 1 or 2 I/O modules.
The TopMessage master is connected via standard cabling with a TCP/IP network. Slave devices are connected to the master via a CAN bus. Any number of master devices can be connected into a network. A maximum of 1000 I/O channels can be processed within a master-slave system.
| Module | Analog Inputs |
Analog Outputs |
Frequency Status Inputs |
Status Inputs |
Switch Outputs |
Sum Sampling Rate |
| ADGT | 8 channels Volt/mV, 20mA, RTD, thermocouples |
60 Hz | ||||
| ADIT | 10 channels Volt/mV, 20mA, RTD, thermocouples |
1 channel 20mA | 1 channel | 600 Hz | ||
| ADVT | 15 channels Volt/mV, 20mA, thermocouples | 600 Hz | ||||
| ADFT | 8 channels Volt/mV, 20mA |
2 channels 0...10 V |
2 channels | 2 channels | 4 channels | 10 kHz |
| AMDT | 8 channels Volt/mV, 20mA |
2 channels 0...10 V |
2 channels | 2 channels | 4 channels | 10...160 kHz |
| AAST | 4 channels Volt/mV, 20mA, Pt100, thermocouples |
4 channels 20mA | 2 channels | 2 channels | 600 Hz | |
| IOIT | 24 channels | 1 channel | ||||
| OTPT | 1 channel | 24 channels | ||||
| DIOT | 11 channels | 1 channel | 16 channels |
Modular design
Each device (master or slave) can accommodate 2 different input/output modules. There are no restrictions in to which slots the modules are inserted. Sensors are connected via detachable clamps. For servicing, the rows of clamps can easily be removed by undoing 2 screws without having to disconnect any cabling.
Necessary steps for project planning:
- Create a list of analog and digital channels
- Allocate channels to modules
- Allocate modules to master and slave devices
Standard module measuring rate
Even with large numbers of channels the measuring rate is not affected by the number of input/output modules, with a maximum rate of 600Hz for standard modules. Each module is equipped with an A/D converter. A multiplexer consecutively connects each separate measurement channel.
Very precise measurement accuracy; resolution 24 bit; Autocalibration.
AMDT module features
- 8 channels for vibration and dynamic measuring
- ADFT for dynamic measuring in time domain signals
- AMDT/V for frequency and time domain signals. Simultaneous calculation of characteristic values.