Analog input
EP3632-0001 | 2-channel interface for Condition Monitoring (IEPE), 16 bit
M8 I/O
connection sockets 
1 | n.c.
2 | Input +
3 | GND
4 | Input -
1 | Tx+
2 | Rx+
3 | Rx-
4 | Tx-
1 | + 24 V DC Us
2 | + 24 V DC UP
3 | GNDs
4 | GNDP
Acceleration sensor
signal input 
signal output 
Power supply
status display:
Box supply (US
Auxiliary voltage (UP
Power supply feed 
Power supply down- 
stream connection
XFC – eXtreme Fast Control
extended temperature range

EP3632-0001 | 2-channel interface for Condition Monitoring (IEPE), 16 bit

The EP3632-0001 EtherCAT Box is a 2-channel oversampling interface for up to two IEPE sensors with 2-wire connection. The current of the integrated constant current source can be set to 2, 4 or 8 mA separately for each channel depending on the sensor and cable length. The input signal is sampled according to the oversampling principle with up to 50 ksamples per second per channel. The measured values can be correlated to other parts of the system through distributed clocks. Except for filtering, the EP3632-0001 does not pre-process the vibration amplitude values. This is done by the retrieving controller. The interface can be adapted to application-specific requirements by means of adjustable filters and supply currents. The TC3 Condition Monitoring library offers extensive algorithms for signal evaluation by the controller, enabling full utilisation of the performance and flexibility benefits of the PC platform.

Technical data EP3632-0001
Technology Condition Monitoring/IEPE
Sensor types IEPE
Connection method M8, 4-pin, screw type, shielded
Number of inputs 2
Signal voltage IEPE constant current supply and recording of modulated AC voltage
Sensor state monitoring yes, through monitoring of the bias voltage
Measuring range default ±5 V up to 25 kHz, ±250 mV up to 10 Hz
Input filter limit frequency analog parameterisable 5th order low-pass filter up to 25 kHz, typically 0.05 Hz high-pass filter
Measuring error < ±0.5 % (DC; relative to full scale value)
Resolution 16 bit (incl. sign)
Nominal voltage 24 V DC (-15 %/+20 %)
Conversion time 20 μs (max. 50 ksamples/s)
Supply current IEXCITE typ. 2/4/8 mA (separately configurable for both channels)
Sensor supply from control voltage US
Current consumption typ. 120 mA
Distributed clocks yes
Special features automatic anti-aliasing function, wire breakage detection
Bus interface 2 x M8 socket, shielded, screw type
Electrical isolation 500 V
Weight approx. 165 g
Operating/storage temperature -25…+60 °C/-40…+85 °C
Vibration/shock resistance conforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emission conforms to EN 61000-6-2/EN 61000-6-4
Protect. class/installation pos. IP 65/66/67 (conforms to EN 60529)/variable
Approvals/markings CE, UL
ZK1090-3xxx-xxxx Cables for EtherCAT signal in- and -output
ZK2020-3xxx-xxxx Cables for M8 power supply
TF3600 TC3 Condition Monitoring Level 1