K-DO04 Hollysys Digital Output Module

Product Description

Configured for discrete signal execution in Hollysys K-Series PLC and DCS platforms, the Hollysys K-DO04 (K-DO04 Digital Output Module) converts controller output commands into physical discrete signals for connected field devices. The module supports digital actuation functions for valves, relays, contactors, and indicator circuits.

Hardware Specifications

PLC Backplane and Digital Output Characteristics

The K-DO04 receives discrete commands through the Hollysys system backplane and presents corresponding output states to field circuits. Therefore, the host controller determines the command logic while the output module handles the physical signal interface.

The supplied information identifies the K-DO04 as a digital output module, but it does not define the exact electrical output technology, rated load current, output voltage, channel isolation, or channel count. Consequently, these parameters require confirmation from the applicable Hollysys hardware documentation before installation.

The module provides LED indications for module status and individual output states. These indicators support basic field diagnostics by allowing technicians to compare commanded states with observed hardware states.

Frequently Asked Questions

Q: Does the supplied data confirm whether the K-DO04 uses relay or transistor outputs?
A: No. The supplied information lists discrete output operation but does not establish the exact output circuit type. Confirm the hardware variant before connecting field loads.

Q: Can the K-DO04 connect directly to field actuators?
A: The module provides discrete output signals for field circuits. However, the required interface depends on the output voltage, load current, and electrical characteristics of the connected device.

Q: Does the supplied data define hot-swap operation?
A: No. The available information does not confirm hot-swap capability. Follow the host system installation procedure and remove power when the system documentation requires it.

Field Installation Guidelines

• Verify the complete K-DO04 identification against the system hardware documentation before installation.
• Install the module on the specified mounting rail or carrier provided by the Hollysys system.
• Confirm the backplane connection before applying system power.
• Separate digital output wiring from high-voltage power conductors where practical to reduce electrical interference.
• Route signal cables securely and avoid unnecessary cable loops near switching power equipment.
• Connect protective earth and cable shields according to the system grounding design.
• Confirm field-device voltage and load requirements before connecting any output channel.
• Do not exceed the output ratings specified for the exact K-DO04 hardware variant.
• After wiring, verify module status LEDs and individual channel states against controller commands.
• If the output type or electrical rating remains uncertain, obtain the applicable Hollysys hardware manual before energizing the connected load.

Other Attributes

• Country of Origin: China
• Lead Time: In Stock, 2 Working Days

Our Competitive Brands

• - ABB Advant-800xA，Advant OCS，Bailey Infi 90 and Net 90，H&B Freelance 2000，DSQC Robots，IGCT / IGBT
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• - Allen Bradley Allen-Bradley SLC500, MicroLogix, CompactLogix, ControlLogix, PLC-5, Panel View,
• - Bently Nevada 3300 System, 3500 System
• - Honeywell 7800 Series, FSC, IPC, Mxopen, TDC 2000, TDC 3000, Experion PKS(C200,C300)
• - Yokogawa Centum CS - Centum VP, Centum XL - micro XL, FA-M3, ProSafe-PLC
• - Ovation, Foxboro, EPRO, Emerson DeltaV, Fuji, Siemens, HIMA, Prosoft, Invensys Triconex, ICS TRIPLEX, Woodward, Bachmann, Schneider

TEL: +86 18030205725     E-MAIL: manskiwong@cambia.cn

Question 1: Is Our Price Competitive?

NEW-GEN collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.

Question 2: What Is The Warranty Period?

We offer a standard one-year warranty for all new and original items.

Question 3: What Payment Methods Do We Accept?

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Question 5: What Is Our Delivery Time?

Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.

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Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.

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