---
type: product
schema_version: 1
stock_number: "79862-3"
canonical_url: "https://www.artisantg.com/PLC/79862-3/Siemens-Texas-Instruments-SCHEM-2497991-Control-Board"
json_url: "https://www.artisantg.com/PLC/79862-3/Siemens-Texas-Instruments-SCHEM-2497991-Control-Board.json"
generated_at: "2026-11-07T21:09:30.699Z"
last_updated: "2026-04-21T15:02:28.703-05:00"
---

# Siemens / Texas Instruments SCHEM 2497991 Control Board

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: Texas Instruments
- Model: SCHEM 2497991
- Condition: Used and in Excellent Condition
- Price: $695.00 USD
- Availability: In stock, 9 available
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 5 lb
- Shipping dimensions: 20X20X6 in

## Categories

- Military and Embedded Equipment > Embedded & Industrial > Other Modular (primary)
- Industrial Systems Equipment > PLCs and Controllers > Controllers

## Details

This Siemens / Texas Instruments SCHEM 2497991 Control Board is used and in excellent condition.

### Configuration

- Microprocessor: TMS9900JDL, TMS9900NL

Part Number: 2497993

## Images

- <https://www.artisantg.com/itemimages/texasinstruments_schem2497991_view1.jpg>
- <https://www.artisantg.com/itemimages/texasinstruments_schem2497991_view2.jpg>
- <https://www.artisantg.com/itemimages/texasinstruments_schem2497991_view3.jpg>
- <https://www.artisantg.com/itemimages/texasinstruments_schem2497991_view4.jpg>
- <https://www.artisantg.com/itemimages/texasinstruments_schem2497991_view5.jpg>