Up to eight (8) universal inputs can be connected to the MX840B-R module compatible with more than 16 transducer technologies.
Transducer | MX840B‑R | Wiring diagram | |
---|---|---|---|
|
Strain gage, full bridge six-wire configuration |
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|
Strain gage, half bridge five-wire configuration |
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|
Strain gage, quarter bridge three- or four-wire configuration |
● * 3-wire only |
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|
Inductive full bridge | ● |
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|
Inductive half bridge | ● |
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|
LVDT (linear variable differential transformer) |
● |
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|
Piezoresistive transducer | ● |
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|
Potentiometric transducer | ● |
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|
Voltage, 60 V, 10 V, 100 mV |
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|
Current-fed piezoelectric transducer (IEPE, ICP®) |
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|
Current, 20 mA | ● | ![]() |
|
Resistance or resistance-based measurements |
● |
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|
Resistance thermometer (RTD) PT100 |
● |
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|
Thermocouple | ● ‡ |
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|
Frequency / pulse counter (timer, TTL) |
● connectors 5‑8 |
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|
Torque / speed | ● connectors 5‑8 |
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|
SSI protocol | ● connectors 5‑8 |
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|
CAN bus database or raw message |
● connector 1 |
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Status LEDs
The following table gives the descriptions for all LED states.
System LED | Description |
---|---|
Green | System is error free |
Red | System error |
Orange | System is not ready; boot procedure is running |
Orange flashing | System is not ready; download is active |
Channel LED | Description | Description (Connector 1, CAN bus) |
---|---|---|
Green | Channel is ready | CAN bus activated, CAN data can be received |
All orange | Boot procedure is running | |
All orange flashing | Download is active | |
Orange | Connection is newly assigned; transducer identification is running | CAN data received but bus is occasionally disturbed; buffer overflow; individual data loss |
Green flashing, then green | TEDS data is being read | |
Orange flashing, then green | Manual configuration; ignore TEDS | |
Red | No sensor connected; channel error (incorrect parameterization, connection error, invalid TEDS data) | CAN bus error; CAN interface in Bus OFF state; CAN data cannot be received or processed |