Honeywell 51305378-100 GUS Keyboard Interface Board
The Honeywell 51305378-100, also cataloged as the IKBI2 PWA Integrated Keyboard Interface Board, operates as a dedicated hardware component for keyboard-to-system communication processing within Honeywell Global User Station platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51305378-100 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 1.0 kg |
| Dimensions | Standard ISA expansion card form factor |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 5 W system bus draft |
| Board Identification | IKBI2 PWA |
| Physical Bus Interface | ISA Slot 1 |
| Peripheral Support | Touchscreen and non-touchscreen consoles |
DCS Process Control Interface & Signal Isolation
The 51305378-100 processes high-speed operator keystroke matrix signals and translates them into system commands across the ISA backplane. To maintain data integrity in noisy cabinet environments, the board applies optical channel-to-channel isolation on incoming control lines. Onboard noise filter circuits prevent electromagnetic interference from distorting input data vectors, while cold junction compensation and regulated power rails safeguard microprocessor bus stability during real-time process monitoring across Honeywell TDC 2000 and TDC 3000 console installations.
Frequently Asked Questions
Q: Which physical slot in the Global User Station chassis houses the 51305378-100 board?
A: Engineers must install the board into ISA Slot 1 of the station computer chassis to ensure correct bus addressing and operator keyboard communication.
Q: How do field technicians configure the board for touchscreen versus non-touchscreen operator consoles?
A: The board features selectable hardware jumpers and dual pinning options that technicians must set manually to match the connected HBC touchscreen controller or standard console configuration.
Q: What power rail tolerances must the ISA backplane supply to this interface card?
A: The card draws power directly from the system ISA bus, requiring regulated +5 VDC logic rails with less than 50 mV ripple voltage to maintain stable keyboard matrix processing.
Field Installation Guidelines
Technicians must power down the Global User Station operator console and disconnect main AC power feeds prior to opening the computer enclosure. Always wear a grounded electrostatic discharge wrist strap attached to the metal chassis before handling the 51305378-100 circuit board. Confirm that the jumper pin arrangement matches the existing IKBI2 PWA board configuration before seating the card into ISA Slot 1. Secure the card retention bracket using standard panel screws, and ensure all NPT conduit entries on the main enclosure maintain a minimum of 5 engagement threads.
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