Analog input
EP3356 | 1-channel precise load cell analysis (resistor bridge), 24 bit
M12 I/O
connection sockets 
Labelling areas 
Signal status display 
1 | +UREF
2 | +UD
3 | -UREF
4 | -UD
5 | Shield
1 | Tx+
2 | Rx+
3 | Rx-
4 | Tx-
1 | + 24 V DC Us
2 | + 24 V DC UP
3 | GNDs
4 | GNDP
Power supply
status display:
Box supply (US
Auxiliary voltage (UP
Power supply feed 
Power supply down- 
stream connection
signal input 
signal output 
extended temperature range

EP3356-0022 | 1-channel precise load cell analysis (resistor bridge), 24 bit

All four M12 sockets are connected, so that parallel operation of several strain gauges is possible.

Technical data EP3356-0022
Number of inputs 2, for 1 resistor bridge in full bridge technology
Input connections M12, screw type
Protocol EtherCAT, TwinCAT SC
Bus interface 2 x M8 socket, shielded, screw type
Signal type resistor bridge, strain gauge
Internal resistance > 200 kΩ (UREF), > 1 MΩ (UD)
Resolution 24 bit, 32 bit presentation
Measuring error < ±0.01 % for the calculated load value in relation to the final load value with a 12 V feed and 24 mV bridge voltage (hence nominal strain gauge characteristic value of 2 mV/V), self-calibration active, 50 Hz filter active
Input filter limit frequency 10 kHz low pass (-3 dB)
Conversion time 0.1…250 ms, configurable, max. 10,000 samples/s
Conversion rate 10,000…4 samples/s (0.1…250 ms conversion time)
Nominal voltage 24 V (-15 %/+20 %)
Distributed clocks yes
Sensor supply 10 V (supplied by the EP3356 from UP)
Current consumption from US 120 mA
Power supply connection feed: 1 x M8 male socket, 4-pin; downstream connection: 1 x M8 female socket, 4-pin
Supported nominal sensitivity all, parameter resolution: 0.01 µV/V; recommended: 0.5…4 mV/V
Special features self-calibration, quadruple averager, dynamic filters, fast data sampling, parallel connection
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
ZK2000-6xxx-xxxx Cables for M12 I/O connection sockets
ZK2000-5xxx/71xx-xxxx Sensor cable 5-wire unshielded/shielded
ZK2020-3xxx-xxxx Cables for M8 power supply
Further information  
XFC eXtreme Fast Control Technology