DS3800HIOA1C1E | Full Suffix GE Speedtronic Expansion Card

Description

Product Introduction

The DS3800HIOA1C1E is the I/O expansion board in the 1C1E configuration—locking spring-cage terminals with 1A fusing on Bank 1 and 5A fusing on Bank 2. This board extends the Mark V system’s I/O capacity while providing the vibration resistance of locking terminals and the highest fuse rating available for expansion boards. The 5A fuse on Bank 2 provides maximum headroom for I/O modules with extremely high current requirements or long cable runs, while the 1A bank is suitable for standard modules. The 32 I/O point capacity is sufficient for most expansion needs.

We’ve used the HIOA1C1E in a large plant expansion where we needed to add 32 additional I/O points, including high-current output modules driving large solenoids with long cable runs. The 5A bank handled the high-current modules without nuisance trips, and the locking terminals prevented intermittent connections in the high-vibration environment. The board integrated seamlessly with the main controller, and the expansion was completed without any issues.

Key Technical Specifications

Compatible Replacement Models

Frequently Asked Questions (FAQ)

Q: Why does the HIOA1C1E have mixed fusing (1A and 5A)?
A: The mixed fusing allows you to match protection to different types of I/O modules. The 1A bank is for standard analog and discrete modules with moderate current requirements. The 5A bank is for modules with extremely high current requirements, such as output modules driving large solenoids or contactors, or for very long cable runs where capacitance can cause significant inrush currents. The 5A rating provides maximum headroom while still protecting the board.

Q: What’s the advantage of the locking terminals on the 1C suffix?
A: The locking terminals have a plastic latch that prevents the wire from pulling out under vibration. This is particularly important for expansion boards, where intermittent connections on the expansion backplane can cause I/O faults. The locking mechanism is a simple but effective solution for high-vibration environments.

Q: How many I/O points can the HIOA1C1E support?
A: The HIOA1C1E supports up to 32 additional I/O points. This includes both analog and discrete I/O modules. If you need more than 32 points, you can use multiple HIOA boards or the higher-capacity HIOB variant (64 points).

Q: Can I use the HIOA1C1E with all Mark V I/O modules?
A: Yes, the HIOA1C1E is compatible with all Mark V I/O modules, including analog, discrete, frequency, and counter modules. The board provides the backplane interface for the modules to communicate with the main controller.

Q: Does the HIOA1C1E require additional power?
A: The HIOA1C1E draws power from the Mark V backplane. It does not require a separate power supply. The additional I/O modules connected to the expansion backplane will also draw power from the system’s power supply. Check your total power budget when adding expansion boards.

Q: Does the HIOA1C1E have conformal coating?
A: Not by default. The 1C1E suffix indicates locking terminals and mixed fusing, not coating. If you need conformal coating for harsh environments, look for a suffix with a “G” (e.g., DS3800HIOA1G1E). The standard HIOA1C1E is suitable for indoor environments. If your plant has high humidity or corrosive conditions, consider a coated variant.

Q: Can I use the HIOA1C1E to expand a Mark V system beyond its standard capacity?
A: Yes, the HIOA1C1E is specifically designed for system expansion. You can add multiple HIOA boards to expand the I/O capacity further. However, the total number of I/O points is limited by the Mark V controller’s addressing capacity. Check the system specifications before planning a large expansion. The 5A fusing on Bank 2 makes this variant suitable for expansions that include high-power output modules.

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