INSTRUCTION MANUAL
MCR1 Memory Card Reader
5/93
Copyright (c) 1993
Campbell Scientific, Inc.
Warranty and Assistance
The MCR1 MEMORY CARD READER 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
act information is for US and International customers residing in countries
cont
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 (435) 753-2342. 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 W
Logan, Ut
CAMPBELL SCIENTIFIC, INC. does not accept collect calls.
est 1800 North
ah 84321-1784
TABLE OF CONTENTS
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1. INTRODUCTION............................................................................................................................1
2. SPECIFICATIONS.........................................................................................................................1
3. OPERATING INSTRUCTIONS..................................................................................................2
APPENDIX A. RS232 D-CONNECTOR PIN FUNCTIONS...............................................A-1
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MCR1 MEM O RY CARD READER
The MCR1 Memory Card Reader is a modified version of the CSM1 Card Storage Module. This manual
only outlines the differences between these two devices, as operation is similar to the CSM1.
1. INTRODUCTION
The MCR1 Memory Card Reader is designed to
read and configure cards used with CSM1 Card
Storage Modules. A typical application is in a
data processing office where it is used to read
cards sent in from one or more stations which
have permanently-installed CSM1 units.
The two main differences between the MCR1
and CSM1 are:
1. The MCR1 has a 25-pin RS232
interface instead of the 9-pin datalogger
interface.
2. The MCR1 has a AC adaptor to supply
power.
In function the MCR1 is identical to the
combination of a CSM1 and SC532 interface,
but it offers a more compact and cost effective
solution for card reading alone.
The MCR1 has the same operating software as
the CSM1. However, with the RS232 interface,
it can only operate in the telecommunications
mode of the CSM1, for communication with a
computer. Using either Campbell Scientific's
CSMCOM program or user-written software it
can read, configure and erase cards. It can also
write datalogger programs from a computer into
a memory card for loading into a datalogger in
the field.
2. SPECIFICATIONS
Please refer to the CSM1 manual for
specifications of the memory cards supported.
Operating temperature: -25°C to +50°C
Power supply:
Typical current from DC supply
Inactive (RTS low): 16 mA maximum
Active: 30 mA average
1
6-20 VDC supplied
by attached 110/120
AC adaptor.
Interface type: 25-pin, D-type sub-
miniature socket,
RS232C DCE
interface.
Baud Rate:
RS232 Output levels: ± 5 V minimum, with
RS232 Input levels
Low threshold: 0.8 V maximum
High threshold: 2.0 V minimum
Maximum input limit: ±30 V
Input resistance: 3500 W minimum
Dimensions: 155 x 90 x 32 mm
Weight w/o AC adaptor: 350 g
Construction: Anodized aluminium
1
If required, the AC adapter can be replaced
with a battery (Section 4).
2
Serial data format for telecommunications is
one start bit, eight data bits, no parity and one
stop bit. Potential data read speed using
CSMCOM on a 25 MHz 386 PC, at 38400 baud,
(to hard disk in comma delineated format) is
1500 data values per second.
2
Supports all standard
rates in the range of
300 to 38400 baud.
3000W load.
case. Two LEDs in
case top indicate
power-up status and
data write operations.
3. OPERATING INSTRUCTIONS
The MCR1 is used in exactly the same way as
the combination of CSM1 and SC532. It is
connected to a PC serial port using either an
SC25PS or 7026 cable, for connection to
computers with 25-pin and 9-pin connectors
respectively. These cables are suitable for
connecting to computers with DTE serial
interfaces (such as an IBM PC). The MCR1 can
also be connected to a PC201 serial card using
1
MCR1 MEMORY CARD READER
the 34 to 25-pin ribbon cable provided with the
PC201 card.
Please refer to the CSM1 manual for further
details of operation. The most relevant sections
of the CSM1 manual are Section 3 (Getting
Started) and Section 7 (Telecommunications).
4. POWERING WITH BATTERY
The MCR1 is supplied with an AC adapter
which allows the unit to be powered from a
110/120V, 60Hz supply. The output from this
transformer is 8V DC (nominal).
If required the adapter can be replaced by
cutting the cable and connecting a battery in the
range of 6-20 VDC, (e.g. a 12 V battery). The
conductor with the white stripe or raised ridge is
the positive connection. The battery must be
capable of supplying 100 mA peak current.
2
APPENDIX A. RS232 D-CONNECTOR PIN FUNCTIONS
Pin Number Function
1 Protective ground, internally connected to pin 7
2 Tx receive data line, from DTE
3 Rx transmit data line, to DTE
4 RTS request to send, input from DTE
5 CTS clear to send, to DTE, normally held high by the MCR1
6* DSR data set ready, to DTE, held high at +5 V
7 Signal ground
8* DCD data carrier detect, to DTE, held high at +5 V
* directly connected to the internal 5V supply, do not short to ground.
1. Unlike the CSM1/ SC532, only RTS is required for telecommunications mode; the DTR line is
not used.
2. Only pins 2, 3, 4 and 7 need to be connected for use with the CSMCOM program. For
connection to a PC these pins should be connected to the equivalent function pins on the PC's
DTE interface.
A-1
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Campbell Scientific Companies
Campbell Scientific, Inc. (CSI)
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UNITED STATES
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