
SSR-1U User’s Manual
Rev -, 27 Dec 2019
© 2019 Slerj, LLC
4
www.slerj.com
1
Introduction
1.1
Description
The SSR-1U is a flexible and robust serial data recording device that takes care of the details of
storing data so that you can focus on your application. Up to four streams of serial data can be
recorded simultaneously, and each channel is configurable with a variety of serial and storage
options. Streams can be recorded automatically at power up, on command through a digital or
PWM input, or using software commands. The SSR-1U extends the capabilities of the SSR-1
with an additional serial channel and USB access to the recorded data.
1.2
Features
Four asynchronous serial channels recorded simultaneously
Two RS-232 channels and two 5V TTL compatible channels
(Version available with 3.3V CMOS channels instead of RS-232.)
Up to 230.4k baud recording on all channels
(
A high-speed version is available supporting 921.6k baud recording on all channels
)
Wide supply voltage (4.5 to 32VDC)
Small size: 1.65 x 1.23 x 0.45 inches (42 x 32 x 12 mm)
Supports microSD, microSDHC, and microSDXC cards
exFAT, FAT32, FAT16, and FAT12 file system support
Long File Name support
Support for raw and time-tagged recording
Battery backed real time clock powered by an onboard button cell battery
Flexible record control: digital input, PWM input, software controlled, or automatic
User shell for configuration and file system operations
Binary control protocol for machine automation
Flexible recording modes (overwrite/append, user defined path and file names, etc.)
2
Getting Started
2.1
Package Contents
The Serial Recorder is packaged with:
The SSR-1U Serial Recorder
Mating connector (Molex 87568-2093) with 9 inch ribbon cable
Mating cable for the auxiliary USB/channel-4 connector
Lithium CR1220 button cell battery (U.S. shipments only)
A microSD card with Users Manual, puttytel terminal emulator, STTP time tagged
archive parser with source code, and an example Windows
®
control protocol utility with
source code.