National Instruments SbRIO-9687 Manuale utente

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)

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

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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