National Instruments ISM-7413 Bedienungsanleitung

ISM-7413

USER MANUAL

NI ISM-7413

Ethernet Integrated Stepper

This manual describes the NI ISM-7413 integrated stepper. It describes electrical, mechanical

characteristics of the devices, as well as I/O functionality.

Contents

Getting Started .......................................................................................................................... 2

Mounting the NI ISM-7413...................................................................................................... 3

Connecting the Power Supply .................................................................................................. 3

+5V Keep-Alive ............................................................................................................... 4

Choosing a Power Supply.........................................................................................................4

Voltage.............................................................................................................................. 5

Current .............................................................................................................................. 5

Connecting the Device Using Ethernet .................................................................................... 7

Option 1: Connect a Drive to Your LAN ......................................................................... 9

Option 2: Connect a Device Directly to Your PC ............................................................ 10

Option 3: Use Two Network Interface Cards (NICs)....................................................... 11

Connecting Input Signals.......................................................................................................... 12

Connection Examples: STEP & DIR................................................................................ 13

Connection Examples: EN................................................................................................ 15

Connecting the Digital Output.................................................................................................. 16

Configuring the NI ISM-7413 .................................................................................................. 17

Motor ................................................................................................................................ 18

Control .............................................................................................................................. 19

Self Test ............................................................................................................................ 21

Reference Materials.................................................................................................................. 22

Torque-Speed Curves ....................................................................................................... 22

Heating.............................................................................................................................. 22

Mechanical Outlines ......................................................................................................... 24

Technical Specifications........................................................................................................... 24

Amplifier .......................................................................................................................... 24

Motor ................................................................................................................................ 25

Digital Inputs .................................................................................................................... 25

Analog Input ..................................................................................................................... 25

Digital Output................................................................................................................... 25

+5V User Output .............................................................................................................. 25

Physical............................................................................................................................. 25

Alarm Codes .....................................................................................................................26

Worldwide Support and Services ............................................................................................. 27

2|ni.com |NI ISM-7413 Ethernet Integrated Stepper User Manual

Figure 1. Block Diagram

Getting Started

You will need the following items to get started with your NI ISM-7413:

24 VDC to 70 VDC power supply. NI PS-12 (NI part number 748906-01) or NI PS-13

(NI part number 748907-01) recommended.

Tool for inserting wires into the connector

A PC running Microsoft Windows 8.1/8/7/Vista/XP, with an available Ethernet port

A CAT5 Ethernet cable (not included)

NI Stepper Configuration Utility, available from ni.com/downloads

Refer to Choosing a Power Supply for more information.

IN1+

AIN

GND

+5V

IN1–

IN2+

IN2–

IN3+

IN3–

OUT4+

OUT4–

–

Power

Conn

12-70 VDC

External

Power Supply

100 Mbit Ethernet

Comm

Conn

I/O Connector

Optical

Iso

Digital

Filter

Software

Filter

Optical

Iso

Digital

Filter

Software

Filter

Software

Filter

Optical

Iso

Digital

Filter

Software

Filter

Optical

Iso

DSP

Driver

Control

3.3VDC

Internal

Logic

Supply

Voltage

Temp

Det.

5 VDC

Power Supply

MOSFET

PWM

Power

Amplifier

Motor

Encoder

Over

Current

Detection

Status

Optional

GND

+5 VDC (50 mA max)

ARM

Processor

NI ISM-7413 Ethernet Integrated Stepper User Manual |© National Instruments |3

Figure 2 shows an overview of the connectors on the NI ISM-7413 integrated stepper.

Figure 2. NI ISM-7413 Integrated Stepper Connectors

Mounting the NI ISM-7413

Mount your NI ISM-7413 using four #6 or #8 screws. Securely fasten the NI ISM-7413 to a

smooth, flat metal surface to conduct heat away from the motor. To prevent overheating, forced

airflow from a fan may be required. Refer to the Heating section for more information.

Caution Never use your NI ISM-7413 in a space where there is no airflow or where

other devices cause the surrounding air to be higher than 40 °C.

Caution Never put the NI ISM-7413 where it can get wet or where metal or other

electrically conductive particles can contact the circuitry.

Caution Always provide air flow around the drive. When mounting multiple

NI ISM-7413 integrated steppers near each other, maintain at least one half inch of

space between devices.

Connecting the Power Supply

Refer to Choosing a Power Supply for more information.

1. Use 1.02 mm to 0.81 mm diameter (18 to 20 AWG) gauge stranded wire for connections.

2. Connect the power supply positive (+) terminal to the connector terminal labeled V+.

3. Connect power supply negative (-) terminal to the connector terminal labeled V-.

1 Status LED

2 DC Power Connector

3 Ethernet Port

4 I/O Connector

5 Rotary Switch

6 Mounting Hole

4|ni.com |NI ISM-7413 Ethernet Integrated Stepper User Manual

The NI ISM-7413 contains an internal fuse that connects to the power supply positive (+)

terminal. This fuse is not user-replaceable. If you want to install a user-replaceable fuse in your

system, install a fast-acting 4 A fuse in line with the positive (+) power supply lead. Figure 3

shows the NI ISM-7413 connections.

Figure 3. Orientation of the NI ISM-7413 Power Connector

Caution Do not reverse the wires. Reverse connection will damage your drive and

void your warranty.

Caution To satisfy the EMC Directive of CE, a line filter must be installed between

the DC power supply and the NI ISM-7412.

When you rapidly decelerate a load from a high speed, much of the kinetic energy of that load

transfers back to the power supply. This transfer can trigger the overvoltage protection of a

switching power supply, causing it to shut down. Unregulated power supplies generally do not

have overvoltage protection and have large capacitors for storing energy coming back from the

drive. NI offers the SMD-7700 regeneration clamp, part number 748908-01, to solve this

problem.

+5V Keep-Alive

Connecting a constant 5 V power source, 4 A or greaer, to the +5V terminal will keep the digital

logic active if the DC bus voltage is interrupted. This can be used to maintain the encoder

position even when power is interrupeted.

Choosing a Power Supply

NI offers two power supplies for the NI ISM-7413:

• NI PS-12 (24 V, 6.3 A)

• NI PS-13 (48 V, 6.7 A)

+VDC GND

NI ISM-7413 Ethernet Integrated Stepper User Manual |© National Instruments |5

Voltage

Your motor can provide optimum performance between 24 and 70 volts DC. Choosing the

voltage depends on the performance needed and thermal performance. Higher voltages will give

higher speed performance but will cause the motor to operate at higher temperatures. Using

power supplies with voltage outputs that are near the drive maximum may reduce the operational

duty-cycle significantly. Refer to the charts in Reference Materials to determined thermal

performance at different power supply voltages.

Note If you choose an unregulated power supply, ensure the no-load voltage of the

supply does not exceed 70 VDC.

Current

The power supply current required by the motor at various voltages is shown in the following

charts. The supply current flowing into the motor may be less than the motor phase current,

because the motor amplifier converts high voltages and low currents from the DC power supply

into the higher current and lower voltage required by the motor. Using a higher voltage power

supply will increase high speed torque, but will also increase motor heating.

The current draw is significantly different at higher speeds depending on the motor torque load.

Estimating your current needs may require a good analysis of the load the motor will encounter.

Note The following figures assume a motor current of 6 A/phase.

Figure 4. NI ISM-7413 Behavior, 12V Power Supply

Speed (RPS)

Torque (N·m)

2.5

3.0

2.0

1.5

1.0

0.5

5.00

4.00

3.00

2.00

1.00

4.50

3.50

2.50

1.50

0.5

10 20 304050

TorqueSupply Current Supply Current No Load

6|ni.com |NI ISM-7413 Ethernet Integrated Stepper User Manual

Figure 5. NI ISM-7413 Behavior, 24 V Power Supply

Figure 6. NI ISM-7413 Behavior, 48 V Power Supply

Speed (RPS)

Torque (N·m)

2.5

3.0

2.0

1.5

1.0

0.5

5.00

4.00

3.00

2.00

1.00

4.50

3.50

2.50

1.50

0.5

10 20 304050

TorqueSupply Current Supply Current No Load

Speed (RPS)

Torque (N·m)

2.5

3.0

2.0

1.5

1.0

0.5

5.00

4.00

3.00

2.00

1.00

4.50

3.50

2.50

1.50

0.5

10 20 304050

5.50

TorqueSupply Current Supply Current No Load

NI ISM-7413 Ethernet Integrated Stepper User Manual |© National Instruments |7

Figure 7. NI ISM-7413 Behavior, 70V Power Supply

If you plan to use a regulated power supply, you may encounter a problem with regeneration.

If you rapidly decelerate a load from a high speed, much of the kinetic energy of that load is

transferred back to the power supply. This can trip the overvoltage protection of a switching

power supply, causing it to shut down. Unregulated power supplies are better suited for

applications with significant regeneration as they generally do not have overvoltage protection

and have large capacitors for storing energy coming back from the drive. Refer to Connecting

the Power Supply for more information.

Connecting the Device Using Ethernet

This process requires three steps:

1. Physically connect the device to your network (or directly to the PC).

2. Set the drive IP address.

3. Set the appropriate networking properties on your PC.

Speed (RPS)

Torque (N·m)

2.5

3.0

2.0

1.5

1.0

0.5

5.00

4.00

3.00

2.00

1.00

4.50

3.50

2.50

1.50

0.5

10 20 304050

5.50

TorqueSupply Current Supply Current No Load

8|ni.com |NI ISM-7413 Ethernet Integrated Stepper User Manual

Your device includes a 16 position rotary switch for setting its IP address. The factory default

address for each switch setting is shown in the table below.

The IP address corresponding to positions 1 through E can be changed using the NI Stepper

Configuration Utility software (use Quick Tuner for servo drives). Setting 0 is always

10.10.10.10, the universal recovery address.

Setting F is DHCP, which commands the device to get an IP address from a DHCP server on the

network. The IP address automatically assigned by the DHCP server may be dynamic or static

depending on how the administrator has configured DHCP. The DHCP setting is reserved for

advanced users.

Your PC, or any other equipment that you use to communicate with the device, will also have a

unique address.

On the device switch settings 1 through E use the standard class B subnet mask (i.e.,

255.255.0.0). The mask for the universal recovery address is the standard class A

(i.e., 255.0.0.0).

Table 1. IP Address Rotary Switch Settings

Position IP Address

010.10.10.10

1192.168.1.10

2192.168.1.20

3192.168.1.30

4192.168.0.40

5192.168.0.50

6192.168.0.60

7192.168.0.70

8192.168.0.80

9192.168.0.90

A 192.168.0.100

B192.168.0.110

C 192.168.0.120

D 192.168.0.130

E 192.168.0.140

FDHCP

NI ISM-7413 Ethernet Integrated Stepper User Manual |© National Instruments |9

Option 1: Connect a Drive to Your LAN

If you have a spare port on a switch or router and if you are able to set your device to an IP

address that is compatible with your network, and not used by anything else, this is a simple way

to get connected. This technique also allows you to connect multiple devices to your PC. If you

are on a corporate network, check with your system administrator before connecting anything

new to the network. He or she should be able assign you a suitable address and help you get

going.

Figure 8. Example Network Configuration

Many networks use dynamic addressing where a DHCP server assigns addresses on demand.

The address you choose for your device might get assigned to something else by the DHCP

server at another time.

Once you’ve chosen an appropriate IP address for your device, set the rotary switch according

to the address table above. If none of the default addresses are acceptable for your network, you

can enter a new table of IP addresses using the NI Stepper Configuration Utility. If your network

uses addresses starting with 192.168.0, the most common subnet, you will want to choose an

address from switch settings 4 through E. Another common subnet is 192.168.1. If your

network uses addresses in this range, the compatible default selections are 1, 2 and 3. If your PC

address is not in one of the above private subnets, you will have to change your subnet mask to

255.255.0.0 in order to communicate with your device. To change your subnet mask:

1. Connect one end of a CAT5 Ethernet cable into the LAN card (NIC) on your PC and the

other into the device. You don’t need a special crossover cable; the device automatically

detects the direct connection and make the necessary physical layer changes.

2. Set the IP address on the device to 10.10.10.10 by setting the rotary switch to position 0.

3. To set the IP address of your PC:

a. (Windows 8.1/8/7/Vista) Open Control Panel. From the icon view, open Network

and Sharing Center, then click Change Adapter Settings.

b. (Windows XP) Right-click My Network Places and select Properties.

4. Right-click your network interface card (NIC) and select Properties.

a. (Windows 8.1/8/7/Vista) Scroll down and select (TCP/IPv4), then click Properties.

b. (Windows XP) Scroll down and select Internet Properties (TCP/IP), then click

Properties.

5. Select Use the following IP address and enter the address 10.10.10.11. This assigns

your PC an IP address that is on the same subnet as the device. Windows directs any traffic

intended for the device’s IP address to this interface card.

NIC PC

LAN ISM

Switch

Router

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