National Instruments FieldPoint FP-1001 Manuale utente

FieldPoint

1FP-1000/1001 Quick Start Guide

National Instruments Corporation

FP-1000/1001 FieldPoint Quick Start Guide

What You Need

to Get Set Up

• Network module

• 35 mm DIN rail

• Two DIN rail locks (included)

• Terminal base(s)

• I/O module(s)

• 11–30 VDC power supply

• Accessories: serial cable,

flathead screwdriver

• PC running Windows

• National Instruments FieldPoint

Software CD

Install the Network Module

Mount the module on a DIN rail.

A. Unlock rail clip.

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FP-1000/1001 Quick Start Guide ni.com

B. Hook lip on back of module

onto top of DIN rail, press

down, and snap into place.

NOTE Do not use spliced DIN rails. Use only a single DIN rail.

C. Slide module into position

and lock rail clip.

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3FP 1000/1001 Quick Start Guide

National Instruments Corporation

Install the Terminal Base(s)

CAUTION Terminal bases must be connected to the network module before

applying power to the module. Do

not

connect or disconnect terminal bases

while power is applied to the network module.

A. Unlock rail clip.

B. Press base onto rail.

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D. Repeat for each terminal base, up to nine for each network module in most cases.

You can use one or two extender cables (which you can order separately) if the

FieldPoint bank is too long for the available space. Make sure there are no gaps

between terminal bases.

E. You

must

install DIN rail locks at each end of the bank to ensure reliable

connections between terminal bases and network module. Two rail locks are

included with each network module. Place protective cover on last base.

C. Slide base into position and

lock rail clip. Be careful not

to bend any pins.

FP-1000/1001 Quick Start Guide ni.com

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5FP 1000/1001 Quick Start Guide

National Instruments Corporation

Install the I/O Module(s)

It does not matter where you install each I/O module, except in the following cases:

• If you plan to cascade power between any I/O modules using the V and C terminals,

those modules should be grouped together.

• For more accurate measurements, place thermocouple modules away from heat

sources, including network modules and relay modules.

A. Align slots on module with guide rails on base, and press module onto base until

base latch locks module in place.

B. Repeat for each I/O module.

CAUTION Cascading power defeats isolation.

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FP-1000/1001 Quick Start Guide ni.com

Connect the Network Cables

You have several network connection options with the FP-1000 and FP-1001, as shown

here.

Connecting the FP-1000 to a Computer’s RS-232 Serial Port

Use a male-to-female (straight through) cable to connect the computer’s RS-232 port to

the 9-position DSub RS-232 connector on the FP-1000.

NOTE You cannot connect the RS-485 port of the FP-1000 directly to an RS-485

port on the computer. You must use an FP-1001 for this network connection.

If you are using multiple FieldPoint serial network modules, you may need to

connect the grounds of the RS-485 communication ports to each other to

prevent damage from differences in ground potentials.

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7FP 1000/1001 Quick Start Guide

National Instruments Corporation

Connecting the FP-1000 to an FP-1001

You can connect up to 24 FP-1001 RS-485 serial network modules to an FP-1000. Use

the RS-485 repeater port of the FP-1000, with the connection shown in this figure.

A. Connect the TX outputs of the

FP-1001 to the RX inputs of the

FP-1000, and the RX inputs of

the FP-1001 to the TX outputs of

the FP-1000.

B. Install the termination resistors.

Terminate each end of your

RS-485 network using the 120 Ω

termination resistors included

with the FP-1001. Install them

between the RX and TX pair of

the FP-1000 RS-485 port, and

between the RX and TX pair on

the last FP-1001 RS-485 port, as

shown. Twist the resistor leads

with the RS-485 signal wires

and insert them into the RS-485

port terminals.

FP-1001

TX+

TX-

GND

RX+

RX-

FP-1001

TX+

TX-

GND

RX+

RX-

FP-1000

TX+

TX-

GND

RX+

RX-

FP-1000

FP-1001

1 From the Computer’s RS-232 Transmit Output

2 To Host Computer’s RS-232 Receive Input

3 Ground

4 120 ΩTermination Resistors

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FP-1000/1001 Quick Start Guide ni.com

Connecting the FP-1001 to a Computer’s RS-485 Serial Port

You may connect up to 25 FP-1001 network modules to a single RS-485 port of a host

computer. Use the connection shown in this figure.

A. Connect the FP-1001 to a host

computer using the 5-position

Combicon screw terminal adapter

of the RS-485 connector on the

FP-1001.

B. Install the 120 Ωtermination

resistors included with the

FP-1001. Install them between the

RX and TX pair of the host

computer RS-485 port, and

between the RX and TX pair on the

RS-485 port of the last FP-1001 in

the system, as shown. Twist the

resistor leads with the RS-485

signal wires and insert them into

the RS-485 port terminals.

C. Check the biasing feature. The

host computer RS-485 interface

usually provides for biasing

resistors, which are required on

an RS-485 network. You should use

this biasing feature for better

reliability and noise immunity.

FP-1001

TX+

TX-

GND

RX+

RX-

FP-1001

TX+

TX-

GND

RX+

RX-

FP-1001

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Set the Network Address and Baud Rate

If the default values do not work for you, remove the switch cover from the 8-position

switch on the front of the FP-1000/1001 to set the network address and baud rate.

123 4 5678

1234 5678

Address Baud

Rate

Address 0 Address 1 Address 2

Default address 0 shown

Default Baud Rate 115200 shown

A. Check/Set the Network Address

Give every network module connected to one serial port of the host computer a unique

address. Modules on different serial ports may have the same address. The addresses

of the terminal bases connected to the network module are automatically configured to

be sequentially higher than the network module address, moving out from the network

module. The default network address for the FP-1000/1001 is 0.

NOTE The pinout shown for the RS-485 DB-9 connector is for National

Instruments RS-485 cards. Please refer to the manuals that came with your

RS-485 card, as the pinout may vary by manufacturer.

9FP 1000/1001 Quick Start Guide

National Instruments Corporation

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FP-1000/1001 Quick Start Guide ni.com

Default

100

110

120

130

140

150

160

170

Network Module

Address (Decimal)

Switch Positions

1-5

180

190

200

210

220

230

240

Not Allowed

123 4 5678

Other Settings

Network Module

Address (Decimal)

Switch Positions

1-5

Network Module

Address (Decimal)

Switch Positions

1-5

322731e.qxd 4/4/2003 3:40 PM Page 10

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