Campbell Scientific SC532A User Manual

SC532A 9-Pin Peripheral to

RS232 Interface

Revision: 4/09

Copyright © 1998-2009

Campbell Scientific, Inc.

Warranty and Assistance

The SC532A 9-PIN PERIPHERAL TO RS232 INTERFACE is warranted
by CAMPBELL SCIENTIFIC, INC. to be free from defects in materials and
workmanship under normal use and service for twelve (12) months from date
of shipment unless specified otherwise. Batteries have no warranty.
CAMPBELL SCIENTIFIC, INC.'s obligation under this warranty is limited to
repairing or replacing (at CAMPBELL SCIENTIFIC, INC.'s option) defective
products. The customer shall assume all costs of removing, reinstalling, and
shipping defective products to CAMPBELL SCIENTIFIC, INC. CAMPBELL
SCIENTIFIC, INC. will return such products by surface carrier prepaid. This
warranty shall not apply to any CAMPBELL SCIENTIFIC, INC. products
which have been subjected to modification, misuse, neglect, accidents of
nature, or shipping damage. This warranty is in lieu of all other warranties,
expressed or implied, including warranties of merchantability or fitness for a
particular purpose. CAMPBELL SCIENTIFIC, INC. is not liable for special,
indirect, incidental, or consequential damages.

Products may not be returned without prior authorization. The following
contact information is for US and International customers residing in countries
served by Campbell Scientific, Inc. directly. Affiliate companies handle
repairs for customers within their territories. Please visit
www.campbellsci.com to determine which Campbell Scientific company
serves your country.

To obtain a Returned Materials Authorization (RMA), contact CAMPBELL
SCIENTIFIC, INC., phone [phone]. After an applications engineer
determines the nature of the problem, an RMA number will be issued. Please
write this number clearly on the outside of the shipping container.
CAMPBELL SCIENTIFIC's shipping address is:

CAMPBELL SCIENTIFIC, INC.

RMA#_____
815 West 1800 North
Logan, Utah 84321-1784

For all returns, the customer must fill out a “Declaration of Hazardous Material
and Decontamination” form and comply with the requirements specified in it.
The form is available from our website at
completed form must be either emailed to [e-mail]
to 435-750-9579. Campbell Scientific will not process any returns until we
receive this form. If the form is not received within three days of product
receipt or is incomplete, the product will be returned to the customer at the
customer’s expense. Campbell Scientific reserves the right to refuse service on
products that were exposed to contaminants that may cause health or safety
concerns for our employees.

www.campbellsci.com/repair

. A

or faxed

CAMPBELL SCIENTIFIC, INC. does not accept collect calls.

SC532A Table of Contents

PDF viewers note: These page numbers refer to the printed version of this document. Use
the Adobe Acrobat® bookmarks tab for links to specific sections.

1. Function................................................................................... 1

2. Physical Description............................................................ 1

3. Specifications........................................................................ 2

4. Hardware Connections....................................................... 3

5. Operation................................................................................. 3

6. Portable Battery Power....................................................... 4

Appendices

A. Pin Description

..................................................................A-1

B. Schematic............................................................................B-1

C. Component Location.......................................................C-1

Figures

1. SC532A Case Top ......................................................................................1

2. Connection Block Diagram.........................................................................3

3. DC Cable for 12 VDC Datalogger Connection...........................................3

Tables

1. SC532A Power Supply Connector..............................................................5

2. CSI Peripherals and Their Maximum Operating Current Requirements....5

3. SC532A Jumper Guide...............................................................................5

A-1. SC532A Pin Description.................................................................... A-1

A-2. DTE 25 Pin Configuration................................................................. A-2

A-3. DTE 9 Pin Configuration................................................................... A-2

This is a blank page.

SC532A 9-Pin Peripheral to 9-Pin RS232 Interface

1. Function

The SC532A Peripheral Interface connects an IBM® PC compatible computer,
with appropriate software, to certain Campbell Scientific datalogger
peripherals including phone modems (COM200, COM210, COM220), storage
modules (SM4M/16M, SM192/716), MD9 multi-drop interface, and Seimac
SCD/Argos satellite transmitter.

Like the SC532, the SC532A supplies 5 VDC on the PERIPHERAL connector
(pin 1) to power 5V peripherals like the SM16M. The SC532A also supplies
12 VDC (on pin 8) to power 12V peripherals such as the COM220, high-speed
modems, and certain radios.

The SC532A has an internal jumper that selects either “SC532” or “PROG”
mode. PROGRAM mode is for configuring the Seimac SCD/Argos satellite
transmitter. The factory setting is “SC532” which is appropriate for most
applications. The case can be opened by twisting a 1/8 inch (3 mm) standard
screwdriver in the four seam slots.

2. Physical Description

An SC12 and a 10873 cable are shipped with the SC532A. The SC12 cable
connects the SC532A 9-pin female D-Sub labeled “PERIPHERAL” to your
CSI peripheral. The 10873 cable connects a PC COM port to the other 9-pin
connector labeled “PC.”

The SC532A is typically powered by the 15966 wall charger (purchased
separately). This wall charger supplies 12VDC @ 800 mA which is sufficient
for any listed peripheral. The power jack on the SC532A allows convenient
wall charger replacement. If only 5V peripherals are used, an AC adapter
outputting just 6 VDC with enough current capability and having the correct
barrel connector size and polarity will do (see Tables 1 and 2).

The 14020 and 14291 field cables are available (see Portable Battery Power
section) for remote sites lacking 120 VAC. The 14020 and 14291 field cables
are purchased separately.

PERIPHERAL

Logan, Utah

SC532A

RS232 to CS I/O

POWER

SN:

PC

MADE IN USA

FIGURE 1. SC532A Case Top

1

SC532A 9-Pin Peripheral to 9-Pin RS232 Interface

3. Specifications

Input voltage
(to POWER jack)

Output voltages +5 VDC ± 0.075 VDC on PERIPHERAL connector

Current available to
5 V peripheral

Current available to
12 V peripheral

RS232 output levels +10 VDC ± 1 VDC

RS232 input levels ± 30 V maximum

A) 5 Volt Peripherals require 6 − 17 VDC
B) 12 Volt Peripherals require 12 − 17 VDC
Barrel connector: inner bore (+), outer sleeve (−)
(factory 120 V AC adapter supplies 12 VDC
unregulated @ 1A)

pin 1 and 6 − 17 VDC on PERIPHERAL connector
pin 8, depending on AC adapter in use (12 VDC
unregulated with factory AC adapter)

+5 VDC @ 120 mA maximum at 25°C
derate 12 mA for each AC adapter Volt above 9 VDC
derate 1 mA for each °C above 25°C

Factory provided AC adapter supplies unregulated
12 VDC @ 1 Amp

−10 VDC ± 1 VDC
Maximum output impedance = 1100 Ω

Low threshold ≤ 0.8 V
High threshold ≥ 3.5 V
Input impedance at least 3000 Ω

9-pin inputs

9-pin outputs

Current drain 5 mA typical quiescent

Port Configuration

Dimensions 4 5/8 x 1 3/4 x 1 inches (allow up to 1 1/4 inches

Weight 1 1/4 pounds with AC adapter

Low ≤ 1 V; High ≥ 3.5 V

Low ≤ 0.5 V; High ≥ 3.5 V

10 mA max imum quiescent

PC: 9-pin D-Subminiature Female configured as DCE.

Peripheral: 9-pin D-Subminiature Female connects to
peripheral through SC12 Two Peripheral Connector
Cable supplied with the SC532A.

extra on 1 3/4 dimension for power connector strain
relief)

2