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Electronic Controls - Electronic Control Units (ECU)

EPEC-3720

Epec 3720 control unit is specially optimized for hydraulic actuator control with a high amount of PWM outputs and feedback pins. It also includes a possibility to connect 10 proportional valve pairs.

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Overview

Description

Need to connect 10 propo valve pairs? Epec 3720 control unit is specially optimized for hydraulic actuator control with a high amount of PWM outputs and feedback pins. Epec 3720 I/O interface is compatible with the previous Epec 2020 control unit and gives an easy upgrade possibility. Furthermore, Epec 3720 comes in the same rugged proven-in-use aluminum housing and reliable connectors.

Processor:
  • 16/32 bit CPU
Flash-memory:
  • 1.6 MB
RAM:
  • 1024 kB external
  • 138 kB internal
PLCopen application size:
  • up to 768 kB
CAN ports:
  • 1 or 2
I/O:
  • 59 35 inputs, 24 outputs
IP class:
  • IP67
Temperature range:
  • -40 to 85 °C (-40 to 185 °F)
Connectors:
  • 3x AMP23
  • 1x AMP8
CODESYS version:
  • 2.3
Supported CAN protocols:
  • CANopen
  • SAE J1939
EPEC-3720_dim(2025-04-15) EPEC-3720_dim2(2025-04-15)
Symbol/Name
Explanation
CE
This product complies with the requirements set in the CE Standard.
E17
This product is certified with normal automotive (E17) EMC (electromagnetic compatibility) standards.
RoHS2
This product complies with the RoHS directive (The Restriction of the use of certain Hazardous Substances in Electrical and Electronic Equipment).
Ordering code
4002954
4002956
EPEC Model
E30B3720-01
E30B3720-21
CAN
2
2
5 V REF
1
1
PWM/DO/DI (pull-down)
8
8
PWM/DO/DI (pull-up resistor)
16
16
FB/AI (1 A)
20 (10 pair)
—
FB/AI (2 A)
—
20 (10 pair)
AI/DI (0-5 V / 0-22 mA, internal 2,2 kΩ resistor connected to +5 V )
1
1
AI/DI (0-5 V / 0-22 mA)
5
5
AUX OUT (max 4 A)
2 (shared current)
2 (shared current)

Connector: Part No. 4002863

Backshell: Part NO. 4002866

MCP receptacle 1.5K: Part NO. 4002868

Wire seal: Part NO. 4002870

Cavity plug: Part NO. 4002872

CoDeSys 2.3 Programming Software: Available for free download from the HydraForce Electronics Portal.

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