National Instruments sbRIO-9687 User manual
USER MANUAL
sbRIO-9687
General Purpose Inverter Controller Universal Interface Board
This document describes the features of the sbRIO-9687 and contains information about
connecting, configuring, and operating the device.
Contents
Overview...................................................................................................................................2
Features..................................................................................................................................... 3
Connectors................................................................................................................................ 4
Switch and Resistor Configuration........................................................................................... 5
Power Considerations............................................................................................................... 6
System Power and Grounding Recommendations............................................................7
Power Input............................................................................................................................... 8
GPIC Signals.............................................................................................................................8
Inverter Signals......................................................................................................................... 9
Inverter CAN Bus Configuration....................................................................................12
Inverter Analog Output Configuration............................................................................13
Inverter Driving Signals..................................................................................................14
Analog Input........................................................................................................................... 14
Simultaneous Sampled Analog Input..............................................................................15
Scanned Analog Input.....................................................................................................24
Analog Output.........................................................................................................................27
Analog Output Configuration......................................................................................... 27
Over-Range Comparators........................................................................................................28
Over-Range Comparator Input Configuration................................................................ 28
Setting the Over-Range Threshold..................................................................................29
Sourcing Digital Input.............................................................................................................30
Sourcing Digital Input Connector................................................................................... 31
Sourcing Digital Input Configuration............................................................................. 32
Sinking Digital Output............................................................................................................ 33
Sinking DO Connector....................................................................................................34
Sinking Digital Output Configuration.............................................................................34
Inverter Digital Signals........................................................................................................... 35
Halt Signals..................................................................................................................... 36
GPIO Signals...................................................................................................................37
LVTTL Lines...........................................................................................................................38
Expansion Board..................................................................................................................... 40
Expansion Board Connectors..........................................................................................40
Expansion Board Power..................................................................................................42
Expansion Board Dimensions.........................................................................................42
Feedback Input........................................................................................................................42
Feedback Connectors...................................................................................................... 42
RS485 Input Signals........................................................................................................44
Hall Sensor Input Signals................................................................................................44
+5 V Output.................................................................................................................... 44
Debug LEDs............................................................................................................................44
Thermistor...............................................................................................................................45
Thermistor Connector..................................................................................................... 45
Thermistor Reading.........................................................................................................46
Relative Humidity Sensor....................................................................................................... 46
Relay Connector......................................................................................................................47
Display Connector...................................................................................................................48
Inverter Connectors.................................................................................................................48
Worldwide Support and Services............................................................................................ 54
Overview
Overview of the sbRIO-9687 interface board.
The sbRIO-9687 interface board is an addition to the sbRIO-9683 or sbRIO-9684 General
Purpose Inverter Controller stacked with the sbRIO-9607 CompactRIO Single-Board
Controller. The sbRIO-9687 implements functionality required to control a variety of power
conversion cabinets based on Semikron insulated-gate bipolar transistor (IGBT) modules.
The interface board supports signal inputs from inverter connectors and external connectors,
and it can accommodate many configuration options for a wide spectrum of applications.
Aside from handling all inverter signals, the sbRIO-9687 interface board provides additional
functionality required for more complex systems implementation.
The following figure is a simplified block diagram of the sbRIO-9687 interface board.
Figure 1. sbRIO-9687 Block Diagram
Breakout Connectors
• Analog Input
• Feedback Input
• Analog Output
• Sinking DO
• Half Bridge DO
Power
Relay
Connectors
Inverter Connectors
• SKiiP 4 GB
• SKiiP 3 GB
• Semikube GB
• Semikube GD
• SKiiP 3 GD
Signal Conditioning
• Signal Routing
• Low Pass Filters
• Gain stages
• Over-Range Detection
GPIC
Connectors
Display
Connectors
Extension
Connectors
Sensors
• Temp
• RH
2| ni.com | sbRIO-9687 User Manual
Features
The sbRIO-9687 interface board provides a wide variety of input/output connectors, breakout
connectors for onboard signals, expansion connectors for add-in boards, debugging LEDs, and
options for configuration.
Inverter connectors
• 7 Semikron SKiiP 4 connectors
• 7 Semikron SKiiP 3 connectors
• 6 Semikron Semikube connectors
• 2 Semikron SKiiP 3 GD connectors
• 2 Semikron Semikube GD connectors
Analog inputs and outputs
• 16 simultaneous analog inputs1
• 8 over-range detection circuits for simultaneous analog inputs or inverter inputs
• 7 scanned analog inputs2
• 8 analog outputs
Thermal control inputs and outputs
• Onboard RH and temperature sensor
• 2 thermistor inputs
• 4 relay control switches
Serial connector
• RS232 connector
• +5 V connector for remote device
Breakout connectors for onboard signals
• 28 lines of high voltage digital inputs (DI)
• 24 lines of high voltage digital outputs (DO)
• 14 digital lines for inverter control (HB)
Expansion connectors for add-in boards
• 32 low voltage TTL lines (LVTTL)
• +3.3 V rail
• +5 V rail
1Current-sensing resistors, low pass filters, and gain stage for each simultaneous analog input.
2Bipolar/unipolar selection for each scanned analog input.
sbRIO-9687 User Manual | © National Instruments | 3
Debugging LEDs
• 3 debugging LEDs
• 1 power LED
Configuration options
• Onboard DIP switches for configuration
• 0 Ω resistors for configuration
• Pads for current-sensing resistors on analog inputs
• Easy access for changing low pass filter components
Connectors
The following table lists the sbRIO-9687 connectors and recommended mating connectors.
Refer to the manufacturer for information about using and matching these connectors.
Table 1. sbRIO-9687 Connector Types
sbRIO-9687
Connector
Reference
Designator
Description Recommended Mating
Connector
24 V power J35 2-pin header Weidmuller (1930050000)
SKiiP 3 (x7) J36, J37, J38, J39,
J40, J41, J42
14-pin header On-Shore Technology, Inc.
(101-146)
SKiiP 4 (x7) J16, J17, J18, J19,
J20, J21, J22
25-pin Dsub header Kycon (K85X-BA-25S-30)
Semikube GB (x6) J29, J30, J31, J32,
J33, J34
20-pin header On-Shore Technology, Inc.
(101-206)
Semikube GD (x2) J24, J25 34-pin header On-Shore Technology, Inc.
(101-346)
SKiiP 3 GD (x2) J26, J27 26-pin header On-Shore Technology, Inc.
(101-266)
Simultaneous AI
(x2)
J5, J11 26-pin header Weidmuller (B2CF
3.50/26/180LH SN BK BX)
Feedback input (x2) J6, J10 24-pin header Weidmuller (B2CF
3.50/24/180LH SN BK BX)
Scanned AI, AO J14 26-pin header Weidmuller (B2CF
3.50/26/180LH SN BK BX)
4| ni.com | sbRIO-9687 User Manual
Table 1. sbRIO-9687 Connector Types (Continued)
sbRIO-9687
Connector
Reference
Designator
Description Recommended Mating
Connector
Thermistor J28 6-pin header Weidmuller (B2CF
3.50/6/180LH SN BK BX)
Relay output J4 12-pin header Weidmuller (B2CF
3.50/12/180LH SN BK BX)
Half-bridge DO J13 24-pin header Weidmuller (B2CF
3.50/24/180LH SN BK BX)
Sourcing DI J12 36-pin header Weidmuller (B2CF
3.50/36/180LH SN BK BX)
Sinking DO J9 36-pin header Weidmuller (B2CF
3.50/36/180LH SN BK BX)
LVTTL expansion
(x2)
J7, J8 26-pin header On-Shore Technology, Inc.
(SH2-26G-PT)
RS232 display
interface
J23 9-pin header Kycon (K85X-EA-9S-30)
Display power J15 2-pin header Sauro (CBF020D8)
Switch and Resistor Configuration
The sbRIO-9687 utilizes a flexible design and can be configured to integrate with most
inverter-based applications and circuit topologies for power conversion, motor driving, and so
on.
The sbRIO-9687 must be configured before it can be used. The board configuration can be set
by toggling the onboard DIP switches. Alternatively, the spare resistors in parallel with the
switches can be populated with 0 Ω.
Notice On a new board, all switch contacts are open by default. The sbRIO-9687
will not work as expected until switch contacts are configured as described in this
manual.
When a DIP switch actuator is moved to the ON position, the switch contacts are closed (input
selected). All the DIP switches are oriented so that the closing position is to the right or down.
The following figure shows board and DIP switch orientation.
sbRIO-9687 User Manual | © National Instruments | 5
Figure 2. Board and DIP Switch Orientation
Contacts OFF
(open circuit)
Contacts ON
(closed circuit)
1
2
ON
1
2
ON
1
2
3
4
ON
1
2
3
4
ON
Contacts are referenced by the switch reference designator. As an example, the following
figure shows SW48 configured with contacts 3 and 4 closed.
Figure 3. Contact Configuration
1
2
3
4
ON
5
6
7
8
SW48
Tip Use a sharp tool to toggle the contacts.
Power Considerations
It is recommended that you perform all resistor changes and switch configurations before the
sbRIO-9687 is placed in its final location.
6| ni.com | sbRIO-9687 User Manual
Before you fix the sbRIO-9687 in the final position, ensure that the mounting plate is
grounded and that there is enough airflow around the board stack.
Note Exercise caution when placing the sbRIO-9687 inside an enclosure.
Auxiliary cooling may be necessary to keep the device under the maximum ambient
temperature rating for the sbRIO-9687. Refer to the sbRIO-9687 Specifications for
more information about the maximum ambient temperature rating. For information
and examples regarding factors that can affect thermal performance, visit ni.com/info
and enter the Info Code sbriocooling.
Before powering on the sbRIO-9687, make sure there are no wires or metal parts that could
touch the surface of the sbRIO-9687.
To power the sbRIO-9687, use a +24 V supply capable of delivering the current required by
the application. Inverter driver boards, the sbRIO-9607, and the GPIC are all powered through
the sbRIO-9607. The total power consumption should be considered when choosing an
external power supply. For information about sbRIO-9687 power consumption, refer to the
sbRIO-9687 Specifications.
For information about connector type, see the Connectors on page 4 section. For details about
wiring, see Power Input on page 8.
System Power and Grounding Recommendations
NI recommends making the following connections to power and ground your system. For the
main sbRIO-9687 Power +24 VDC Power connection, make sure that the following
recommendations are incorporated into the design.
• Connect the power supply to the sbRIO-9687 power connector with wires that can carry
the current for the sbRIO-9687 as well as all of the attached peripheral hardware.
• If more power is needed for the inverters, consider disconnecting them from the
sbRIO-9687 power and supplying them directly with +24 V from a separate power
supply.
• Connect the inverter power supply ground to the inverter driver board; do not connect it
to the sbRIO-9687 main power supply.
• If separate power supplies are used for sensors, connect the sensor supply ground with the
sbRIO-9687 ground at the analog input connector.
• Power the sbRIO-9687 before, or at the same time as, other power supplies in the system.
• For lower earth connection impedance, add a low-gauge wire between one of the standoff
fixing screws and the chassis. The sbRIO-9687 is connected to earth ground through the
standoffs.
• If shielded wires are used, ground them at the inverter connectors or at one of the standoff
fixing screws.
• Electrically isolate the thermistors from earth ground and from other rails in the system.
sbRIO-9687 User Manual | © National Instruments | 7
Power Input
The sbRIO-9687 interface board must be powered with a +24 V DC supply. The power supply
should have a maximum output current higher than the current consumption of the interface
board and all attached inverters. Refer to the sbRIO-9687 Specifications for maximum current
consumption.
The sbRIO-9687 power input is protected against reverse polarity, and it uses a 10 A fuse to
provide protection for overcurrent. Littlefuse Series 314 is recommended, but any compatible
fuse can be used. Refer to the sbRIO-9687 Specifications for maximum fuse rating.
Caution Disconnect the main +24 V supply before replacing the fuse.
Connector Pin Signal Name
1 GND
2 +24 V
GPIC Signals
The main function of the sbRIO-9687 is to provide an interface between the GPIC controller
and different Semikron inverters. The GPIC controller utilizes the following signals. Refer to
the sbRIO-9683 or sbRIO-9684 documentation for connector pinouts and detailed signal
descriptions.
Table 2. GPIC Signals
Generic Name Lines Signal Name Description
Half-Bridge DO 14 DO<0…13> High voltage digital signals for inverter control.
Sourcing DI 28 DI_P0.<0…13>
DI_P1.<0…13>
High voltage digital input with pull-up resistors.
Sinking DO 24 DO_<0…22 > Open collector digital outputs.
Simultaneous AI 16×2 AI<0…15>± Simultaneous sampled differential analog inputs.
Scanned AI 8 AI_<0…7> Scanned analog inputs 0 V to 5 V.
Analog Output 8 AO<0…7> Analog outputs 0 V to 5 V.
LVTTL 32 DIO<0…31> Low voltage TTL lines.
Relay Control 4×2 DO<0…3>± Relay control lines.
8| ni.com | sbRIO-9687 User Manual
Inverter Signals
One of the main functions of the sbRIO-9687 is to provide an interface between the
sbRIO-9683 or sbRIO-9684 GPIC controller and up to seven single-phase Semikron inverters.
The following tables show the connections between inverter signals and the GPIC. Only one
connector from each column of the following tables can be used at a time. Using two
connectors from one column could result in unpredictable behavior or damage to the interface
board or inverters.
Table 3. Signal Assignments, GPIC to SKiiP 4 (Single-Phase Inverter)
Signal Inv. 0
(J16)
Inv. 1
(J17)
Inv. 2
(J18)
Inv. 3
(J19)
Inv. 4
(J20)
Inv. 5
(J21)
Inv. 6
(J22)
High Side
IGBT
DO1 DO3 DO5 DO7 DO9 DO11 DO13
Low Side
IGBT
DO0 DO2 DO4 DO6 DO8 DO10 DO12
Current
Sensor
AI0± AI1± AI2± AI3± AI4± AI5± AI6±
DC Link
Voltage
AI7±
or AI_0
AI8±
or AI_1
AI9±
or AI_2
AI10±
or AI_3
AI11±
or AI_4
AI12±
or AI_5
AI13±
or AI_6
Temperature
Sensor
AI_0 AI_1 AI_2 AI_3 AI_4 AI_5 AI_6
HALT DO_0,
DI_P0.0
DO_1,
DI_P0.1
DO_2,
DI_P0.2
DO_3,
DI_P0.3
DO_4,
DI_P0.4
DO_5,
DI_P0.5
DO_6,
DI_P0.6
GPIO DI_P0.7 DI_P0.8 DI_P0.9 DI_P0.10 DI_P0.11 DI_P0.12 DI_P0.13
Table 4. Signal Assignments, GPIC to SKiiP 3 GB (Single-Phase Inverter)
Signal Inv. 0
(J36)
Inv. 1
(J37)
Inv. 2
(J38)
Inv. 3
(J39)
Inv. 4
(J40)
Inv. 5
(J41)
Inv. 6
(J42)
High Side
IGBT
DO1 DO3 DO5 DO7 DO9 DO11 DO13
Low Side
IGBT
DO0 DO2 DO4 DO6 DO8 DO10 DO12
sbRIO-9687 User Manual | © National Instruments | 9
Table 4. Signal Assignments, GPIC to SKiiP 3 GB (Single-Phase Inverter) (Continued)
Signal Inv. 0
(J36)
Inv. 1
(J37)
Inv. 2
(J38)
Inv. 3
(J39)
Inv. 4
(J40)
Inv. 5
(J41)
Inv. 6
(J42)
Current
Sensor
AI0± AI1± AI2± AI3± AI4± AI5± AI6±
DC Link
Voltage
AI7±
or AI_0
AI8±
or AI_1
AI9±
or AI_2
AI10±
or AI_3
AI11±
or AI_4
AI12±
or AI_5
AI13±
or AI_6
Temperature
Sensor
AI_0 AI_1 AI_2 AI_3 AI_4 AI_5 AI_6
HALT DO_0,
DI_P0.0
DO_1,
DI_P0.1
DO_2,
DI_P0.2
DO_3,
DI_P0.3
DO_4,
DI_P0.4
DO_5,
DI_P0.5
DO_6,
DI_P0.6
GPIO DI_P0.7 DI_P0.8 DI_P0.9 DI_P0.10 DI_P0.11 DI_P0.12 DI_P0.13
Table 5. Signal Assignments, GPIC to Semikube GB (Single-Phase Inverter)
Signal Inv. 0
(J29)
Inv. 1
(J30)
Inv. 2
(J31)
Inv. 3 (J32) Inv. 4 (J33) Inv. 5 (J34)
High Side
IGBT
DO1 DO3 DO5 DO7 DO9 DO11
Low Side
IGBT
DO0 DO2 DO4 DO6 DO8 DO10
Current Sensor AI0± AI1± AI2± AI3± AI4± AI5±
DC Link
Voltage
AI7±
or AI_0
AI8±
or AI_1
AI9±
or AI_2
AI10±
or AI_3
AI11±
or AI_4
AI12±
or AI_5
Temperature
Sensor
AI_0 AI_1 AI_2 AI_3 AI_4 AI_5
HALT DO_0,
DI_P0.0
DO_1,
DI_P0.1
DO_2,
DI_P0.2
DO_3,
DI_P0.3
DO_4,
DI_P0.4
DO_5,
DI_P0.5
GPIO DI_P0.7 DI_P0.8 DI_P0.9 DI_P0.10 DI_P0.11 DI_P0.12
10 | ni.com | sbRIO-9687 User Manual
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