BIOPAC® Systems, Inc. Logo

Routing TTL pulses out of the STP100C BNC connector

Parts needed:
2 x JUMP100
STP100C
UIM100C

The STP100C receives a digital pulse coming from a stimulus presentation program, either through the 37 pin connector or the 25 pin connector.

To route a digital pulse from a presentation program, for example to drive another device outside of the MP system, take a JUMP100 and insert into the Digital I/O port on the back of the UIM100C (note, the UIM100C is separated and the port strip has a screw to secure the JUMP100C). 

Route the other end of the jumper cable into digital channels 0 – 3 on the UIM100C, this corresponds to the Coaxial outputs on the front of the STP100C 1-4 respectively.

Next route a JUMP100 from GRND D on the UIM100C to channel 4 digital I/O on the UIM100C. This completes the circuit and activates the front relays.

In the software, go to MP150>SHOW MANUAL CONTROL.

In the MANUAL CONTROL dialog box, set the DIGITAL I/O for Channels 0 -7 to INPUT.   Set the DIGITAL I/O for channels 8 – 15 to read INPUT as well.

As an example, you have a digital TTL pulse coming into the back of the STP100C for channel 8.   This channel will be enabled in AcqKnowledge and every time a pulse comes through to that channel, it will route to channel 0.  A pulse will be seen coming out of BNC output #1 on the STP100C.

Associated Applications

Spotlight On
response and stimulus device

Chronos for BIOPAC

The Chronos®  USB-based response and stimulus device features millisecond accuracy in the areas of stimulus, response, sound output, and external device communication—this level of timing accuracy cannot be achieved using a keyboard, mouse, or onboard sound card. Chronos also gives users a solution for communicating with external devices (up to 16 digital inputs and outputs) […]

View All
Latest News

Alan Macy Honored as Local Hero

“Alan Macy: Scientist, Entrepreneur, and Visionary Community Builder” The Santa Barbara Independent honored Alan Macy as a Local Hero. “What makes Macy a Santa Barbara Independent Local Hero is the combination of vision, generosity, and persistence he has shown in bringing creative people together and in crafting innovative venues for them to collaborate. …For this, and for his […]

BIOPAC Releases New BioNomadix Smart Center System

Good quality data is important for reliable physiological research. No longer restrained to wires or stationary devices, BIOPAC’s newly released Smart Center is a lightweight and compact system designed to acquire quality data. The portable, wireless device offers high fidelity physiological data, allowing for subjects to be untethered while being recorded. The system includes the […]

Read All
Request a Demonstration
Request a Demonstration