MED Associates SG-7000 Series User manual

instrumentation and software for research
SG-7000 SERIES TABLETOP INTERFACE
CABINETS
SG-7108 SMALL TABLETOP INTERFACE CABINET
SG-7308 SMALL TABLETOP INTERFACE CABINET W/ POWER SUPPLY
SG-7316 LARGE TABLETOP INTERFACE CABINET W/ POWER SUPPLY
DIG-705 USB INTERFACE DECODER CARD
DOC-327
Rev. 1.0
Copyright ©2022
All Rights Reserved
Med Associates, Inc.
P.O. Box 319
St. Albans, Vermont 05478
Phone: [phone]
Fax: [phone]
www.med-associates.com

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MED ASSOCIATE S, INC.
SG-7XXX
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Med Associates, Inc.
Table of Contents
Chapter 1 | Introduction................................................................................................1
Specifications: ................................................................................................................................1
Dimensions (SG-7308 and SG-7108)..........................................................................................1
Dimensions (SG-7316) ..................................................................................................................1
Mains Power Requirements..........................................................................................................1
Chapter 2 | Power Connections....................................................................................3
Mains Power ...................................................................................................................................3
28V DC power (SG-73XX only) ....................................................................................................3
Loopback power cable (SG-73XX to DIG-705 or DIG-700G) :.................................................4
Chapter 3 | DIG-705 USB Interface Decoder Card ..................................................5
USB Connection .............................................................................................................................5
Indicator Lights ..............................................................................................................................5
Chapter 4 | Hardware Installation ..............................................................................7
Card Compatibility .........................................................................................................................7
Removing cards from the Tabletop Interface Cabinet.............................................................7
Inserting cards into the Tabletop Interface Cabinet ................................................................8
Appendix A | Contact Information...............................................................................9

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Notes
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Diagrams

MED ASSOCIATES, INC.
SG-7000 SERIES TABLETOP INTERFACE CABINET S
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Med Associates, Inc.
CHAPTER 1 | INTRODUCTION
The Tabletop Interface Cabinet holds a decode card and up to eight or sixteen single width I/O
(Input/Output) cards such as the DIG-718 SmartCtrl card. The decode card, e.g., the DIG-705 USB Interface
Decoder Card, connects the Tabletop Interface Cabinet via USB to a PC running a Windows operating
system. Up to four Interface Cabinets can be connected to one PC at the same time, either via a USB
connection to the DIG-705 USB Interface Decoder Card or via a flat (ribbon) cable using a DIG-704 PCI-2
or DIG-704 PCIe Interface Card and the DIG-700G Decoder Card.
All SG-7000 Series Tabletop Interface Cabinets contain regulated power supplies with outputs of +/- 15
Volt DC and + 5 Volt DC. The SG-7308 and SG-7316 also contains a 28 Volt power supply with power
connectors on the back side of the cabinet to power lights, retractable levers, pellet feeders and other
devices. The SG-7308 provides 10 A and has 4 power connectors where the SG-7316 provides 20 A has 8
power connectors.
All SG-7000 Series Tabletop Interface Cabinets are equipped with a temperature-controlled fan to exhaust
hot air from the back if needed. This fan is turned off under light loads but will always briefly spin up after
power-on, which can be used to verify its correct function.
Specifications:
Dimensions (SG-7308 and SG-7108)
Total size (w x h x d) 9.5 x 6 x 11.7 inch
24.1 x 15.2 x 29.7 cm
Dimensions (SG-7316)
Total size (w x h x d) 16.7 x 6 x 11.7 inch
42.4 x 15.2 x 29.7 cm
Mains Power Requirements
SG-7108:
100-250 V AC 50-60 Hz 1 A
1 A GMA slow blow fuse (Med Part# HAR-FUSE-1-MINI)
SG-7308:
100-250 V AC 50-60 Hz 4 A
4 A GMA slow blow fuse (Med Part# HAR-FUSE-4A-SB-MINI)
SG-7316:
100-250 V AC 50-60 Hz 8 A
8 A GMA slow blow fuse (Med Part# HAR-FUSE-8A-SB-MINI

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Figure 1.1 - SG-7308 cabinet with DIG-705, DIG-716 cards, and SG-716 connection panels
Figure 1.2 - SG-7308 cabinet with DIG-705, DIG-718 cards, and SG-718 connection panels

MED ASSOCIATES, INC.
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CHAPTER 2 | POWER CONNECTIONS
Mains Power
The Tabletop Interface Cabinet is connected to an outlet via the provided 3-conductor power cable. The
Tabletop Interface Cabinet will automatically adjust to the mains voltage (100-250 V) and frequency (50-
60 Hz).
NOTE: The cabinet’s EMI filter relies on the ground connection to divert electromagnetic
interference. The cabinet is therefore best to be plugged directly into a grounded outlet and not be
used with a power strip or other indirect connection.
Figure 2.1 - Backside of the SG-7308 cabinet with (4) 28V power connectors
28V DC power (SG-73XX only)
On the back of the SG-7308 Tabletop Interface Cabinet there are four 28 V DC connectors that can be
connected to SG-718 Connection Panels to power lights, retractable levers, pellet feeders and other
devices. SG-716 Connection Panels can also be used via a converter cable (Med Product # SG-210CP-M12-
4M)
SG-718 Connection Panels can be connected in series to share one 28 V connector on the SG-7308
Tabletop Interface Cabinet. The total current consumption of all the Connection Panels combined cannot
exceed 2.5 A. In practice that limits the number of connection panels to 2 fully loaded SG-718-24 boxes
or up to 4 lightly loaded SG-718-12’s.

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Loopback power cable (SG-73XX to DIG-705 or DIG-700G):
If the Tabletop Interface Cabinet is used with legacy 28V cards such as the DIG-716 SmartCtrl, DIG-726
Super Port Output, or DIG-712 Super Port input cards, the 28V power needs to be connected from the
back of the cabinet into the DIG-705 or DIG-700 Decoder cards. When only using DIG-718 SmartCtrl, DIG-
726 TTL Super Port or ANL-926 Programmable Audio Generator cards this connection is not necessary.
Figure 2.2 - SG-7308 with DIG-705 and Loopback power cable
NOTE: When using a separate 28V power supply and DIG-716 and older 28V cards such as the DIG-
712 and DIG-726, all power supplies need ground wire connected in one place (and one place only),
specifically the cabinet with the DIG-716 SmartCtrl card and SG-716 connection panel the cabinet need
to share the same ground. Therefore, a ground wire needs to connect the cabinet and the additional
28V power supply. The DIG-718 / SG-718 does not require this additional ground wire.

MED ASSOCIATES, INC.
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CHAPTER 3 | DIG-705 USB INTERFACE DECODER CARD
USB Connection
The USB connection on the front of the DIG-705 USB Interface Decoder Card should be connected to the
USB port of the PC using a USB 2.0 Type-A Male to Type-B male cable (Med PN# CAB-USB-AM-BM-10). It
is recommended to connect the DIG-705 directly to the PC, without the use of USB hubs or extenders.
Using these devices might impact the performance of the DIG-705 resulting in longer latency times.
Figure 3.1 - DIG-705 USB Interface Decoder Card
Indicator Lights
The DIG-705 USB Interface Decoder Card contains 4 indicator lights, from top to bottom:
OUT
This light briefly blinks, indicating when any output command is being transferred from the PC.
IN
This light indicates any inputs are being read by the PC.Note that MED-PC continuously reads all the inputs
and therefore this light will remain on when Med-PC is running, and any inputs have been configured in
the Hardware Configuration Manager.
ON
This light indicates the power (specifically the 5V power) is on for the DIG-705.
USB
This light indicates that there is a USB cable to the PC, and the PC provides power via this connection.
Some computers leave the power on the USB connector even though they are turned off, other computers
will only provide power when turned on.

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In addition to the 4 indicator lights on the DIG-705, the DIG-705’s test screen available in the Med-Test
Software also provides accurate readings of all voltages, temperature, cabinet info, as well as testing.
Figure 3.2: Med-Test, showing cabinet voltages in the Cabinet Info section.

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CHAPTER 4 | HARDWARE INSTALLATION
This chapter will explain how to install new cards in the cabinets. For addressing of I/O cards, please refer
to the Med Test manual (DOC-200) or the I/O cards respective manuals.
Card Compatibility
The SG-7108 is compatible with the following cards:
•DIG-705, DIG-700G Decode cards.
•TTL (5v) SuperPort I\O cards.
•ANL-926 Audio Stimulus cards.
•ENV-413, ENV-414, ENV-410x Aversive Stimulus cards.
❖With and additional external 28V power supply*: Standard, SuperPort, and SmartCtrl cards.
The SG-7308 and SG-7316 are compatible with all cards supported by the SG-7108, and includes the 28V
power supply for:
•Standard I\O cards.
•SuperPort I\O cards.
•SmartCtrl cards.
NOTE: The SG-7316 requires a DIG-705 card (if used) to be revision 1.2 or higher.
Removing cards from the Tabletop Interface Cabinet
Turn off the cabinet and remove power cable from the back of the cabinet when removing cards from
the Tabletop Interface Cabinet.
Only touch the card on the edges, and do not touch the components on the cards as these can be
damaged by static electricity (ESD).
1. Remove the screw from the bottom of the face panel with a #1 Phillips head screwdriver.
2. The DIG-718 SmartCtrl card has a designated shoulder bolt aiding in the removal of this card. For
other cards, the screw connection of the cable connector may be used.
NOTE: Six sided “Torx” screws are used on some cards to attach the face panel to the card. These
should never be removed by the customer.

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Inserting cards into the Tabletop Interface Cabinet
Turn off the cabinet and remove power cable from the back of the cabinet when inserting cards into
the Tabletop Interface Cabinet.
Only touch the card on the edges and do not touch the components on the cards as these can be
damaged by static electricity (ESD).
The Decode Card (e.g., DIG-705) should be inserted in the left most card slot. The remaining card slots can
be used for any other cards listed at the top of this Chapter.
When using a DIG-705 USB Interface Decode card in combination with DIG-718 SmartCtrl cards, make sure
all DIP-switches on the DIG-718 cards are in the factory default “OFF” position. This enables automatic
addressing based on the position of the card in the Tabletop Interface Cabinet.
Figure 4.1 –DIG-718 card with all DIP-switches in the factory default “OFF” position.
When using other cards, the cards need to be configured via DIP-switches or jumpers to have the correct
address. The correct way to address these cards can be found in their respective user’s manual or in the
Med Test manual (DOC-200) for all cards.

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1. Make sure the card is inserted right side up, i.e., all text is readable from the front of the cabinet.
Line the top and bottom of the card up with the card slots in the cabinet and slide the card into
the cabinet until the face plate touches the enclosure.
NOTE: Your cabinet may be “keyed” preventing users from inserting cards upside down or in the
wrong location. Older cards are not compatible with the keys and the key can be removed with
needle nose pliers to accommodate these older cards. See Figure 4.2 and 4.3 below.
2. Insert the screw from the bottom of the face panel with a #1 Phillips head screwdriver.
The cabinet is now ready to be used with the new card installed. It is recommended to test the
functionality of the new card with the Med-Test program to ensure correct working of the card. Note that
the new card may need to be configured via software in the Hardware Configuration Utility, see DOC-303
MED-PC V User’s Manual.
Figure 4.2 - Removing the key from the backplane connector.
Figure 4.3 - (LEFT) card with a keyed backplane connector. (RIGHT) card without a keyed backplane connector
requiring removal of the backplane key if present.
APPENDIX A | CONTACT INFORMATION
Please contact Med Associates, Inc. for information regarding any of our products.
For Technical questions, email [e-mail].
For Sales questions, email [e-mail].
Visit our website at www.med-associates.com.