E4809-770-032-1

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The E4809-770-032-1 CNC board boasts a continuous current of 40A, a voltage range of 24V DC to 48V DC, RS232 and RS485 interfaces, and natural convection cooling. Part of the E4809 CNC Boards series by Okuma, it features IP20 protection, a peak current of 73A, and weighs 3.5 kilograms.

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Product Description:

The Okuma E4809-770-032-1 relay board is an I/O interface part that is used in industrial control systems. It contains numerous ports and connectors that can be utilized for business reasons, such as signal switching and preventing the flow of energy. The device is made to handle relay-based tasks by using built-in electronics and standard connector types to send and receive signals.

The E4809-770-032-1 relay board has several 34-pin blue ports labeled PLG MA, MB, MC, MD, and ME that connect to external I/O devices. The PLG A, B, and G labels on the other plugs are D-sub male types that are likely used for data or control signals. Red DIP switches are available for logic selection and configuration. The relay circuits are protected from excessive current by integrated fuses. Test locations and diagnostic switches are present on the board to facilitate hardware configuration. Each switch has an LED that shows whether it is ON or OFF. The response time of the relay is between 5 and 15 milliseconds for both the operate and release processes. Ribbon, D-sub, or terminal block interface connectors make it easier to join to other systems. The mounting configuration works with both rack and DIN rail, and it has a grounding feature for safety in industrial control systems.

The E4809-770-032-1 relay board has a small design that makes good use of the room in cabinet installations. The product has red DIP buttons that can be used to set the address or choose the binary logic. Most contacts can handle 2A to 10A at 250VAC or 30VDC for resistance loads. The voltage difference between the control and load circuits is between 1500 Vrms and 4000 Vrms. The relay unit ensures that the switching process operates consistently after the load is rated.

Connector Types
34-pin PLG, D-sub, multipin headers
Continuous Current
40A
Cooling Type
Natural convection
Feedback Type
Incremental encoder with Hall sensors
Interface
RS232, RS485
Isolation Voltage
1500 Vrms to 4000 Vrms
Max. Mechanical Speed
7500 rpm
Peak Current
73A
Protection Class
IP20
Relay Response Time
5–15 ms (operate/release)
Relay Status Indicators
LED indication for each relay
Voltage Range
24V DC to 48V DC
Weight
3.5 kg
  • E48097700321
  • E-48097700321
  • E 4809 770 032 1
  • E489-770-032-1

Frequently Asked Questions about E4809-770-032-1:

Q: Why does E4809-770-032-1 use DIP switches?

A: DIP switches on E4809-770-032-1 allow logic configuration or address selection. They simplify signal control without external configuration tools.

Q: Does E4809-770-032-1 have fuse protection?

A: Yes, E4809-770-032-1 has onboard fuses. These prevent overcurrent damage and protect relay circuits from electrical faults.

Q: Why does E4809-770-032-1 use LED indicators?

A: LED indicators provide real-time relay ON/OFF status. They support easy diagnostics without needing external monitoring equipment.

Q: How do CN1/CN2 headers benefit E4809-770-032-1?

A: CN1 and CN2 headers provide standardized multipin access. These simplify connections with PLCs and other control hardware.

Q: Do PLG connectors on E4809-770-032-1 support I/O?

A: Yes, the PLG MA–ME connectors manage external I/O. These 34-pin connectors offer structured I/O signal management.


Internal Product Review

  • ‘‘The E4809-770-032-1 relay board includes test points and onboard fuses for diagnostics and circuit protection. It supports 34-pin blue and D-sub connectors. The relay indicators use LEDs for clear signal status. Its mounting setup offers rack and DIN compatibility with grounding provision.’’

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