National Instruments cFP-20xx User Manual 2

FieldPoint Operating Instructions

OMPACTFIELDPOINTACCESSORIES

C

This document describes the wiring, mounting, and data storage
accessories available for use with National Instruments Compact
FieldPoint. To search for parts listed in this document, go to

ni.com

and enter the part number in the Search field. For
accessories not listed in this document, refer to the Distributed I/O
section of the NI catalog.

cFP-20xxController Wiring Accessories

NI offers several accessories for connecting to the serial ports on
the cFP-20xx controller.

DB-9 Right-Angle Cable for RS-232 Serial Port

The Compact FieldPoint RS-232 serial cable, part number
189284-02, is a DB-9 female to DB-9 male cable adapter for use
with COM 1 on the cFP-20xx controller. The right-angle connector
is well suited for low-profile applications with limited space in
front of the controller.

Figure 1. Compact FieldPoint DB-9 Cable Adapter for COM 1

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Product and company names mentioned herein are trademarks or trade names of their respective companies.
For patents coveringNational Instrumentsproducts, refer tothe appropriate location:

patents.txt

the

323493A-01 October 2002

©

2002 National Instruments Corp. All rights reserved.

file on your CD, or

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.

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in yoursoftware,

The Compact FieldPoint DB-9 cable adapter cannot be used with
the Compact FieldPoint rack-mount kit. Refer to the Serial Cables
section of the NI catalog or to

ni.com

for other DB-9 serial cables

that you can use with a rack-mounted Compact FieldPoint system.

RJ-50 Cable Adapters for Serial Ports

NI offers two wiring accessories for use with COM 2, COM 3,
andCOM4onthecFP-20xx controller. COM 2 and COM 3 are
RS-232 serial ports and COM 4 is an RS-485 serial port. All three
ports use RJ-50 10-position modular jacks. These modular jacks
are not compatible with Ethernet cables.

Part numbers 182845-01, -02, and -03 are RJ-50 to DB-9 cable
adapters in 1, 2, and 3 m lengths.

Figure 2. Compact FieldPoint RJ-50 to DB-9 Serial Cable Adapter

Compact FieldPoint Accessories 2 ni.com

Part number 778674-01 is a DIN rail–mountable screw terminal
adapter consisting of an RJ-50 serial cable and a 10-position screw
terminal block.

Figure 3. Compact FieldPoint DIN Rail–Mountable Terminal Block

Refer to the Serial Cables section of the NI catalog or to

ni.com

for other RJ-50 serial cables that you can use with Compact
FieldPoint controllers.

© National Instruments Corp. 3 Compact FieldPoint Accessories

Signal Assignments for Serial Cable Adapters

Table 1 lists the pins on all the cFP-20xx controller cable adapters
and the RS-232 and RS-485 signals assigned to them.

Table 1. Compact FieldPoint Serial Cable Pin Descriptions

RJ-50 Pin or

DB-9 Pin RS-232 Signal

1 DCD 10 GND

2 RX 9 CTS+(HSI+)

3 TX 8 RTS

4 DTR 7 RXD

5 CND 6 RXD–

6 DSR 5 CTS– (HSI–)

7 RTS 4 RTS – (HSO–)

8 CTS 3 TXD

9 RI 2 TXD–

— No Connect 1 No Connect

Screw Terminal

RS-485 Signal

+

(HSO+)

+

+

I/O Connector Cable Adapters

NI offers three cable adapters for use with the 37-pin I/O
connectors on the Compact FieldPoint backplane.

Caution

adapters are for use only with nonhazardous voltages.

Compact FieldPoint I/O connector cable

1

For hazardous voltage wiring, use cFP-CB-x connector
blocks and follow local electrical standards.

Part numbers 778621-01 and 778621-02 are 37-pin male to 37-pin
female cable adapters in 1 and 2 m lengths, respectively. They are
designed for connecting directly to DIN rail–mounted terminal
blocks, part numbers 778672-01 and 778673-01.

1

Nonhazardous voltage is voltage below 42.4 V

Compact FieldPoint Accessories 4 ni.com

or 60 VDC.

rms