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SLICE Distributor
User Manual
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DTS SLICE Distributor User Manual

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Page 1
13000-30030-MAN (Rev. 3) © Diversified Technical Systems, Inc. - All Rights Reserved
SLICE Distributor
User’s Manual
February 2018
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SLICE Distributor User’s Manual February 2018
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Table of Contents
LED Indicator ................................................................................................ ................... 5
On/Off Pushbutton Switch ................................................................................................ 5
SYS and AUX Connectors ............................................................................................... 5
Communication Features ............................................................................................. 6
SLICE System Connectors .............................................................................................. 6
Shock Rating .................................................................................................................... 7
Mounting Considerations ............................................................................................. 7
Thermal Considerations ................................................................................................ ... 7
Maximum Power Consumption ........................................................................................ 8
Maximum Input Power ..................................................................................................... 8
Maximum Output Power .................................................................................................. 8
Charging/Powering Attached Equipment ......................................................................... 8
Power Requirements of SLICE Equipment .................................................................. 9
Changing the IP Address ............................................................................................... 15
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DTS Support
SLICE systems are designed to be reliable and simple to operate. Should you need assistance, DTS has support engineers worldwide with extensive product knowledge and crash test experience to help via telephone, e-mail or on-site visits.
The best way to contact a DTS support engineer is to submit a request through the DTS Help Center web portal (support.dtsweb.com). You must be registered (support.dtsweb.com/registration) to submit a request (https://support.dtsweb.com/hc/en-
us/requests/new). Registration also enables access to additional self-help resources and
non-public support information.
This manual supports the following products: 13000-30030: SLICE Distributor
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Introducing the SLICE Distributor
The SLICE Distributor serves as a single interface supporting power, Ethernet communications and status signals for an extended SLICE system. It supports in excess of 200 channels via 4 SLICE MICRO/NANO chains (4 stacks per chain), and is designed to integrate in-dummy and withstand high shock environments.
• Rated for 500 g dynamic testing environments.
• Supports >200 SLICE MICRO/NANO DAS channels via 4 SLICE system connectors.
• Supports an input range of 9-18 VDC (15 VDC nominal), 10 A maximum.
• Supports main and battery back-up power inputs.
• Supports Ethernet communications.
• Over- and undervoltage protection, overcurrent protection, power input polarity
protection.
• LED indicator provides status information.
• Integral mounting holes.
• Ideal for embedded and in-dummy high channel-count applications.
SLICE Distributor Connector Panel
The ON switch, LED indicator and all connectors are accessible from the front panel. Instructions on how to properly connect cables can be found in the section on Troubleshooting Basics. Connector information and pin assignments can be found in Appendix A. Mechanical specifications are included in Appendix B. Appendix C provides information on the network parameters of your equipment.
SLICE Distributor Connector Panel
SLICE MICRO/NANO DAS connectors (1-4)
- Functionally identical
- Supports power, start, event, status and USB communications
Status LED
Pushbutton
Switch
SYS connector
- Main power input
- Ethernet communications
- Status and control signals
AUX connector
- Status and control signals
- Back-up power input
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LED Indicator
There is 1 LED that provides status information. This LED is an indicator of SLICE Distributor status only; it does not indicate the status of any attached equipment.
A thorough understanding of the LED states will facilitate an efficient approach to troubleshooting and a quick resolution to any problems.
SLICE Distributor Status
Unit off; no input power detected
Unit off; input power detected (input range OK); output power is active
Unit initializing Unit on (input range OK); all outputs active
Input power is overvoltage –or– overcurrent condition is present (If unit is on, cycle power to reset)
On/Off Pushbutton Switch
A momentary pushbutton switch is used for on/off control. When the unit is on (LED is blue), all internal system electronics and output power are energized and the unit is fully functional. (This is the normal operating mode.) When the unit is off, the LED is either green (input power detected) or off (no input power).
SYS and AUX Connectors
The functions available via the SYS and AUX connectors are summarized below.
Function
Power on
Event
Recording status
On status
Start record (5 V)
Start record (contact closure)
Ethernet communications
Main power input
Back-up power input
Whenever sufficient input power is connected to the SYS connector, all attached SLICE DAS containing an internal battery will charge.
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Communication Features
The SLICE Distributor supports the industry-standard Ethernet 10/100BaseT/Tx communication method. Communication is enabled after the power-up sequence has completed. (See Appendix C for information on the network parameters of your equipment.)
SLICE System Connectors
These 4 connectors are identical and support power, start, event, status and USB communication signals for the DAS. One SLICE connector supports up to 3 SLICE stacks, with a maximum of 8 SLICE Bridges per stack, in any combination of SLICE MICRO or NANO. SLICE MICRO Accel and ARS units can be used in place of a Bridge and the SLICE NANO Battery can be used with any SLICE NANO stack.
= + +
= 54 ch
(maximum)
(Original Base MICRO and/or NANO; SLICE NANO Battery optional)
= + +
= 72 ch
(maximum)
(MICRO and/or NANO Base+; SLICE NANO Battery optional)
Maximum current for all 4 SLICE System connectors combined is 10 A with a maximum of 4 A per connector. Carefully calculate your expected maximum power consumption to ensure compliance with power limits. (Please see page 9 for information on power requirements.)
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Basic Care and Handling
The SLICE Distributor is designed to operate reliably in dynamic testing environments. Though resistant to many environmental conditions, care should be taken not to subject the unit to harsh chemicals, submerge it in water, or drop it onto any hard surface.
WARNING:
Electronic equipment dropped from desk height onto a solid floor may experience as much as 10,000 g. Under these conditions, damage to the unit is likely.
If you plan to store the unit, place it in a location with ambient temperatures below 30°C, low relative humidity, and free from dust and direct sunlight. When not in use or if shipping is required, we suggest that you always place the unit in the padded carrying case originally provided with your system. When transporting the unit, treat it as you might a laptop computer.
The SLICE Distributor is not user-serviceable and should be returned to the factory for service or repair.
Shock Rating
The SLICE Distributor is rated for 500 g, 4 ms half-sine duration, in all axes.
Mounting Considerations
The unit should be securely bolted to the test article or dynamic testing device to provide the best shock protection. Mounting methods and hardware selection should be carefully calculated to withstand expected shock loading and facilitate proper grounding. Check bolt tightness periodically to ensure that the unit is securely fastened to the baseplate or testing platform. (See Appendix B for the unit’s mechanical specifications.)
Thermal Considerations
It is unlikely that the unit will overheat if common-sense measures are taken. In normal use, the SLICE Distributor is bolted to a structure with enough thermal mass to serve as a heat sink, keeping the temperature well within acceptable limits. However, when used continuously at the maximum output level, the unit may get very warm to the touch. Since the system draws the most power when armed, running the calibrations and arming as late as possible will minimize self-heating, particularly in embedded applications. Should you have any questions about using the SLICE Distributor in your environment, please contact DTS.
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Power Management
The SLICE Distributor should be powered from a high-quality power source with output voltage and current ratings appropriate for the installation. It does not contain an internal power source, but has separate connectors to support main power and back-up power inputs.
The SLICE Distributor contains power conditioning circuitry with a wide input range and well­regulated outputs. It will boost input voltages at the low end of the specified range in order to maintain a consistent output voltage. This conversion, however, will come at the expense of the supplied input current. A simple voltage measurement at the cable end that connects directly to the SLICE Distributor will verify whether the unit is receiving sufficient input voltage.
Maximum Power Consumption
The maximum power consumption is 180 W.
Maximum Input Power
The maximum input power is 15 VDC nominal (9-18 VDC range) at 10 A.
Maximum Output Power
The combined maximum output power available via the 4 SLICE system connectors is 120 W (12 V at 10 A). The maximum output power available per SLICE system connector is 12 V at 4 A. The maximum output current available via the AUX connector is 2.5 A (input VDC = output VDC).
Charging/Powering Attached Equipment
When sufficient main input power is connected to the SLICE Distributor, it will simultaneously power and charge any attached SLICE DAS containing an internal battery.1 The length of time required to charge attached equipment depends primarily on the discharge state of the batteries. The SLICE Distributor does not need to be on for attached equipment to charge.
WARNING:
Interconnecting SLICE equipment while signals/power are active/hot is not supported.
The SLICE Distributor uses a common 12-conductor SLICE system chain connector that supports power, communication and control signals. If a port or
cable is hot, it is possible that the locking clip or incorrect connector orientation might randomly short pins and damage the equipment. Application of power
and other signals should occur after all cables have been connected to the SLICE Distributor. DTS strongly suggests following this procedure at all times to avoid potential damage to your equipment.
1
The SLICE Distributor does not contain a battery charging circuit and cannot be used to charge any external
device/battery that does not contain its own battery charging circuitry.
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Power Requirements of SLICE Equipment
SLICE DAS use extensive power management to minimize power consumption. The lowest power demand condition is during charging when power is off. Current demand is at its maximum when the systems are fully armed and powering full sensor loads.
Power Consumption
(per item)
Power Off
(charging battery)
Power On
(armed + max load)
SLICE NANO/MICRO
- Base/Base+
- Bridge
- Battery (NANO only)
- Accel (MICRO only)
- ARS (MICRO only)
- IEPE (MICRO only)
---
---
100 mA
---
---
---
100 mA/70 mA
110 mA/75 mA*
100 mA
65 mA 75 mA
70 mA/85 mA*
* Base+
For additional information, please see the SLICE Hardware User’s Manual.
Grounding
The SLICE Distributor has integrated mounting holes that will provide a simple method of grounding the entire data acquisition system when bolted to a properly-grounded test fixture. DTS recommends checking continuity between the SLICE Distributor and the test fixture to confirm resistance readings of <1 ohm.
Troubleshooting Basics
Begin troubleshooting by checking the operational state of the SLICE Distributor alone. DTS suggests always using the connection sequence below to avoid possible damage from hot swapping the cables.
1. With the unit off (and no DAS connected), connect the SLICE Distributor’s power source to the SYS connector.
– If the status LED is green, then voltage input levels are within specifications and
main output power is active. Proceed to step 2.
– If the status LED is off, this can mean that the input voltage is too low or input
polarity is reversed. You will need to correct this before proceeding.
– If the status LED is red, this can mean:
a) Input voltage is too high. You will need to correct this before proceeding. b) Overcurrent condition is present. This likely means the SLICE Distributor is
not working properly. Contact DTS Support for assistance.
2. When the status LED is green, turn on the SLICE Distributor.
3. When the status LED is solid blue, the SLICE Distributor is on and fully functional (all internal system electronics and output power are energized). This is the normal operating mode.
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If the SLICE Distributor is operating normally, the next step is to add the DAS. DTS suggests always using the connection sequence below to avoid possible damage from hot swapping the cables.
1. With the unit off and power not connected, connect the SLICE DAS to the SLICE system connectors.
2. Connect the SLICE Distributor’s power source to the SYS connector.
3. When the status LED is green, turn on the SLICE Distributor.
– When the status LED is solid blue (normal operating mode), then inspect the LED
indicators on the SLICE DAS for system health.
– If the status LED is red, this can mean input voltage is too high or overcurrent
condition is present. You will need to correct this before proceeding.
4. Connect the Ethernet comm cable from the SYS connector to your PC.
If at any time the status LED indicator shows an error or fault condition, you will need to correct this before proceeding. (The LED is an indicator of SLICE Distributor status only; it does not indicate the status of any attached equipment.) A fault signal generated by the SLICE Distributor or SLICE DAS is forwarded externally via the AUX and SYS connectors and will prevent you from arming your system. When the DAS is recording data, the status signal from the AUX and SYS connectors will be high; the status signal will be low for all other states where the DAS is on and connected to the SLICE Distributor.
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Appendix A: Connector Information
AUX connector SYS connector
(pin 12 plugged) (pin 8 plugged)
(looking into the connector) (looking into the connector)
Pin
Function
Pin
Function
1
/PWR_ON (contact closure to ground)
1 /PWR_ON (contact closure to ground)
2
-Event, isolated, bi-directional, contact closure to pin 3
2 -Event, isolated, bi-directional,
contact closure to pin 3
3
+Event, isolated, bi-directional, contact closure to pin 2
3 +Event, isolated, bi-directional,
contact closure to pin 2
4
Recording status (high = recording)
4 Recording status (high = recording)
5
Reserved
5 ON status
6
-VDC input from ext battery/Ground
6 Ground
7
-VDC input from ext battery/Ground
7 Ground
8
Reserved
8 No connection
9
Start record input (apply 5 V with respect to ground)
9 Start record input (apply 5 V with
respect to ground)
10
+VDC input from external battery
10
9-18 VDC in
11
Ground
11
Ground
12
No connection
12
Ethernet Tx+
13
Reserved
13
Ethernet Rx+
14
+VDC input from external battery
14
9-18 VDC in
15
Reserved
15
Ethernet Tx-
16
Start record input, contact closure to ground
16
Ethernet Rx-
1 4 5
9
10
13
14
16
1 4 5
9
10
13
14
16
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SLICE system connectors (1-4)
(looking into the connector)
Pin
Function
1
/ON, bi-directional, contact closure input to ground
2
/START, bi-directional, contact closure input to ground
3
/EVENT, bi-directional, contact closure input to ground
4
Status output (3 V = recording)
5
12 VDC out
6
12 VDC out
7
Ground
8
Ground
9
USB_PWR
10
USB_DP
11
USB_DM
12
Ground
1
3 4 7 8 10
12
11
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Appendix B: Mechanical Specifications
Weight: ~135 g
Use M4* or 6-32** screws
Torque specs: * 19.8 in-lb (2.24 Nm); ** 9.6 in-lb (1.1 Nm) Units in inches (mm)
Accessories/support equipment: 13000-3010x: Cable, SLICE Distributor to SYSTEM port (DMD) 13000-30110: Cable, SLICE Distributor to DDX cable (SDX) (1 m) 13000-30440: SLICE Distributor AUX Connector Assy 13000-30441: SLICE Distributor AUX Cable Assy (5 m; pigtail term) 13000-30450: SLICE Distributor SYS Connector Assy 13000-30451: SLICE Distributor SYS Cable Assy (5 m; pigtail term) 13000-30660: Cable, SLICE Distributor, Ethernet comm (SYS to RJ45) (20 m) 13000-31140: SLICE NiMH Battery Interface; 12 V (10 AAA cells) 13000-31150: SLICE Back-up Battery Pack; 12 V (1 x 10 AAA cells) 13000-40050: SLICE Distributor Cable Kit
(x = multiple lengths available)
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Appendix C: Hardware Configuration Specifications
SLICE Distributors are typically delivered with a default IP address as follows:
IP address
192.168.0.x where: x = 1-9 for S/Ns SD00001-SD00009; x = 10-99 for S/Ns SD00010-SD00099; x = 100 for S/Ns SD00100, SD00200, SD00300; x = 101 for S/Ns SD00101, SD00201, SD00301; x = 2-99 for S/Ns SD00102-SD00399
Netmask
255.255.252.0
The calibration data for your equipment identifies the IP address as shipped from the factory. If the calibration data is not available, try using the default address described in the table above.
If you need information on the specifics of your equipment, please submit a request through the DTS Help Center web portal (support.dtsweb.com) and include the serial number(s) of the equipment and parameters you are asking about.
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Changing the IP Address
Using a web browser, enter the unit’s current IP address. (Use compatibility mode with Internet Explorer.)
Enter the desired IP address and/or netmask into the available fields and click “Apply”.
If the IP address is valid, the page will show success. Reboot the device for the settings to be applied.
If you receive an error, submit a request through the DTS Help Center and attach the system log file.
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Revision History
Date
By
Description
15 Feb 2018
EK
Corrected number of stacks (was 4; now 3) referenced in second paragraph and illustrations on page 6. Updated network info to refer to Appendix C. (Rev 3)
27 Feb 2017
EK
Added Appendix C and page 8 footnote. Updated accessories. (Rev 2)
22 Oct 2015
EK
Corrected number of stacks (was 3; now 4) referenced in second paragraph, page 6. (Rev 1)
30 Oct 2014
EK
Initial release. (Rev 0)
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