BNC 725 - Manual (Page 5)

5
INTRODUCTION
The Model 725 is a fully programmable logic and timing controller for coordinating and
synchronizing lab equipment and physical experiments. Model 725 provides clocks, counters,
triggers, and many other useful functions, with 10 ns resolution and 100 ps accuracy.
The Model 725 consists of two components: timerPRO software and the Model 725 multi-trigger
digital delay generator. timerPRO lets you design and run experiments from a simple graphical
interface. The Model 725 provides the connections and control for your experimental devices.
Parts List
Your Model 725 package should include the following items:
1. The Model 725 multi-trigger digital delay generator
2. AC power cable
3. timerPRO software installation CD
4. 9-pin RS-232 cable
5. User’s manual.
If any parts are missing or damaged please contact technical support.
Specifications
timerPRO software will run on any computer running Microsoft ® Windows ® XP or later. Drivers
for National Instruments’ ® LabView ™ software are also available for download. See
www.berkeleynucleonics.com for more information.
The Model 725 includes eight TTL-compatible inputs and eight TTL-compatible outputs.
Voltages in the range 2.5–5 V are TTL “highs” and voltages in the range 0.0–0.2 V are TTL
“lows.” Intermediate voltages should not be present on inputs and outputs except during
transitions. The inputs and outputs are protected against connection to 115 VAC. When
disconnected the inputs are read as TTL “highs.”
The Model 725 can be connected to/ disconnected from the PC at any time without damage to
either unit. This ability allows you to program the Model 725 at your computer, then to take the
unit to the experiment area for stand-alone use.