Blackrock Microsystems CerePlex Direct Manuel utilisateur

Manufacturer

630 Komas Drive | Suite 200

Salt Lake City | UT 84108 | USA

P +1 801.582.5533 | F +1 801.582.1509

www.blackrockmicro.com

Revision 7.00 / LB-0462 – CerePlex Direct: Instructions for Use 2019/08

CerePlex Direct

Instructions for Use

Revision 7.00 / LB-0462 – CerePlex Direct Instructions for Use

Table of Contents

What This Manual Covers ............................................................. 4

Warnings and Precautions ............................................................ 5

Safety Specifications ..................................................................... 6

Hardware Specifications ............................................................... 6

Symbols ........................................................................................ 8

Setting Up the CerePlex Direct ..................................................... 9

Overview of Hardware ................................................................. 10

CerePlex Direct Inputs .................................................................. 11

Digital Headstage Input Banks .................................................... 11

Analog Input ............................................................................... 12

Digital Input ................................................................................. 12

Fast Settle Input ......................................................................... 12

CerePlex Direct Outputs ................................................................ 12

USB Data Line to PC .................................................................. 12

Patient Ground ........................................................................... 13

NeuroMotive Camera Sync ......................................................... 13

CerePlex Direct Software Suite ................................................... 13

Cleaning, Maintenance, and Disposal ......................................... 14

Cleaning ........................................................................................ 14

Maintenance .................................................................................. 14

Disposal ........................................................................................ 15

Magnetic Resonance .................................................................. 15

Troubleshooting ........................................................................... 15

No CerePlex Direct Detected ........................................................ 15

nPlayServer is Not Running .......................................................... 16

Packet Loss................................................................................... 16

Revision 7.00 / LB-0462 – CerePlex Direct Instructions for Use

Digital Headstage Connectivity ...................................................... 16

Return Merchandise Authorizations ............................................ 17

Warranty ...................................................................................... 17

Support ........................................................................................ 17

Manuals, Software Downloads, and Application Notes .................. 18

Complaints .................................................................................... 18

Issues or Questions ....................................................................... 18

Revision 7.00 / LB-0462 – CerePlex Direct Instructions for Use

What This Manual Covers

This manual contains information on the CerePlex Direct, a plug-and-play biosignal data

acquisition system. The system is designed for use with many of Blackrock’s CerePlex digital

headstages and is compatible with the NeuroMotive video tracking system. The CerePlex Direct

is capable of recording from 16, 32, 64, 96, 128, or 256 channels over 3 headstage input banks,

depending on the model.

Figure 1 - CerePlex Direct Data Acquisition System

This manual will cover the system requirements, associated software, and an overview of the

system’s hardware features. Note that the CerePlex Direct is offered in a number of system

packages, so the exterior packaging may be labeled with a different part number than listed in

this document.

For questions on this product or any other Blackrock products, contact our 24/7 support service

at support@blackrockmicro.com.

Revision 7.00 / LB-0462 – CerePlex Direct Instructions for Use

Warnings and Precautions

 Do not use with devices not approved by Blackrock Microsystems.

 Do not touch any exposed electrical conductors or use damaged digital data cables

when using the CerePlex Direct.

 Keep cables out of traffic paths. Injury to user or patient can occur.

 The user/patient/subject should not attempt to open the CerePlex Direct.

 Use caution when operating the CerePlex Direct, especially when connecting and

disconnecting cables to minimize risk of CerePlex Direct falling and/or injury.

 Do not rest objects on or against the CerePlex Direct.

 Avoid strong static discharges from sources like television or computer monitors; they

may damage the electrical components of the system.

 Always operate the CerePlex Direct system in a clean environment.

 Keep the CerePlex Direct system away from liquids. Contact with water, shower spray,

or wet surfaces can result in a device malfunction and/or electrical shock.

 Connection of external instruments to the CerePlex Direct may compromise electrical

safety.

 Always use antistatic or electrostatic discharge (ESD) safe gloves when connecting the

CerePlex Direct.

 Use only Blackrock Microsystems supplied components (CerePlex Direct, CerePlex

Headstages, Blackrock Microsystems Cables and Adaptors). Substitution of components

not supplied by Blackrock Microsystems may affect system performance and patient /

subject safety.

 Do not leave the patient / subject connected to the CerePlex Direct when system is not

in use.

 Plug in all connections and wires to the patient / subject and the system prior to

powering on the CerePlex Direct.

 Power off the system prior to removing or disconnecting any cables from the patient /

subject and the system.

 Regularly inspect cables for compromised insulation or bad connections. This can help

prevent electrical shock as well as data corruption.

 Read this entire manual prior to using the device.

Revision 7.00 / LB-0462 – CerePlex Direct Instructions for Use

Safety Specifications

Model Name

CerePlex Direct

Power Requirements 1

–

220 V

(

60 Hz

) ,

0.32

–

0.17

Serviceable Fuses

1/4” x 1 ¼”, 250 V, 2 Amps, Slow Blow

Mode of Operation Continuous

Input Protocol

Low-voltage differential signaling

Water

Ingress Protection

Ordinary equipment, not fluid resistant, IP20

Operating Environment 10° C to 40° C, 5 to 95% relative humidity (non-

condensing)

Storage Environment

-20° C to 50° C, 5 to 100% relative humidity (non-

condensing)

Hardware Specifications

Model Name

CerePlex Direct

Digital Signal Processing Adaptive line noise cancellation filter, 4th-order hi/lo

pass digital filtering for all channels. Separate filters

for simultaneous continuous and spike streams along

with online spike classification using time/amplitude

and/or template matching

Neural Signal Inputs

16, 32,

64, 96, 128, or

256 Channels, Depending on Model

Input Protocol

Low-voltage differential signaling

Sampling Frequency 30 kHz maximum data acquisition rate, 50 MHz data

transfer

Experimental Analog Inputs Three ±5 V inputs for experiment or neural signal

processing

Analog to Digital Conversion

bit digital output, with 0.25 µV per bit resolution

Maximum Input Voltage Range

Up to ±5 V between any input and ground

Revision 7.00 / LB-0462 – CerePlex Direct Instructions for Use

Fast Settle Inputs

One

5 V input for controlling fast settle functionality of the

connected headstages

Common Mode Rejection Ratio

>90 dB at 50/60 Hz

Experimental Digital Inputs

Sixteen 0

V TTL Logic Level inputs for

experiment event

signaling

Power Supply

Standard 3

pin PC power connector for accepting 110

240

VAC, 50-60 Hz

PC Hardware Interface

Speed USB 2.0

PC Software OS supported

Windows 7

–

32 and 64 bit

, Windows 10

32 and 64 bit

Revision 7.00 / LB-0462 – CerePlex Direct Instructions for Use

Symbols

ISO 15223-1: 2016 Medical Devices – Symbols to Be Used with Medical Device Labels,

Labeling, and Information to Be Supplied

Reference Symbol Title Meaning

5.1.1

Manufacturer Indicates the medical device

manufacturer.

5.1.5

Batch Code Indicates the manufacturer’s batch

or lot code.

5.1.6

Catalog

Number

Indicates the manufacturer’s catalog

number so that the device may be

identified. For Blackrock

Microsystems it is called the Part

Number (PN).

5.1.7

Serial Number Indicates the manufacturer’s serial

number so that a specific medical

device can be identified.

5.2.8

Do Not Use if

Package is

Damaged

Indicates that a medical device

should not be used if the package

has been damaged or opened.

5.4.3

Consult

Instructions for

Use

Indicates the need for the user to

consult the instructions for use,

which you are currently reading.

ISO 15223-1: 2016 Medical Devices – Symbols to Be Used with Medical Device Labels,

Labeling, and Information to Be Supplied

Reference Symbol Title Meaning

5.4.4

Caution Indicates the need for the user to

consult the instructions for use for

important cautionary information

such as warning and precautions

that cannot, for a variety of reasons,

be presented on the medical device

itself.

Revision 7.00 / LB-0462 – CerePlex Direct Instructions for Use

Setting Up the CerePlex Direct

The software CD included with the CerePlex Direct contains two executable installers:

CerePlex-Direct-Central-Suite-7.X.X.msi installs the CerePlex Direct Software Suite and USB

drivers for communicating with the CerePlex Direct. The latest version can be downloaded from

the ‘Software Downloads’ section of the Blackrock Microsystems website.

MCRInstaller-7.16.exe is the MATLAB Compiler Runtime installer—this is required to use

Central’s custom digital filter editor.

NOTE: Before installing: make sure the CerePlex Direct is not plugged into the PC with the

USB A-B cable. Installing the CerePlex Direct Software Suite with the CerePlex Direct

connected to the host PC may result in driver installation issues and cause the host PC to fail to

recognize the CerePlex Direct. If this happens, please refer to the ‘Troubleshooting’ section of

this manual or contact Blackrock Support.

Figure 2 - CerePlex Direct Driver Installer

To start the installation process, run CerePlex-Direct-Central-Suite-X.X.X.msi and follow the

onscreen instructions from the installation wizard (as shown in the figure above). After installing

the software, the CerePlex Direct can be connected to the host PC via the USB A-B cable.

When plugged into a USB port for the first time, the CerePlex Direct will install the device

drivers. Windows will re-install these drivers when the USB port is changed.

If you intend on using Central’s custom digital filter editor to create your own filters, you will

need to run MCRInstaller-7.16.exe.

Revision 7.00 / LB-0462 – CerePlex Direct Instructions for Use

Overview of Hardware

The CerePlex Direct is a non-real-time data acquisition system that collects data from up to 256

digital data channels, 3 analog inputs, and a 16-bit digital input. Data is sampled at 30,000

samples/second and transmitted over hi-speed USB to a host PC with a bandwidth of 50 Mbps.

The CerePlex Direct is designed to have several isolated ground planes. The CerePlex Direct

chassis is tied to earth ground through the ground pin of the power plug. Patient ground is found

on the digital headstage connections and the touchproof ground connector on the front panel. It

is not recommended to bridge these isolated ground planes; it can introduce noise into the

signal and compromise the safety isolation of the patient circuitry.

Figure

CerePlex Direct Front Panel

Figure

CerePlex Direct Rear Panel

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