Bulletin 04M10B01-02E-A
www.yokogawa.com/us/
Data Acquisition System
MW100
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Interface Module for the MW100
Data Acquisition System
CAN
MX118-CAN-M30
Specifications
CAN Protocol Version: Ver 2.0B (Standard & extended message format)
Standard: ISO11898 (High Speed Communication)
Communication Rate: 10kbps to 1Mbps, selectable time quanta and
sample point
Byte Order : Big endian / Little endian
Data Type: Unsigned / Signed / Floating (32bit) / Double (64bit)
Number of Ports: 2; 1 CAN and 1 RS-232C serial for configuration
Number of Message IDs: Selectable from 10, 20, or 30 Data value range - 30000 to 30000
Sample Inter val: 10mS to 60S (when set for 10mS, MW100 system
is limited to 10 channels maximum)
CAN bus Terminator : 120
Ω
Model Code Description
MX118-CAN-M30 MW100 CAN bus interface module with MW CAN configuration software
Required MW100 System Components for a CAN Data Logging System
1. MW100 main unit
2. MX150-x base plate (specify number of slots needed)
3. MX118-CAN-M30 CAN interface module (specify number needed)
4. Optional- MX series I/O modules (specify as needed for analog and digital I/O functions)
CAN
SPECIFICATIONS
SPECIFICATIONS
HOW TO ORDER
HOW TO ORDER
CAN
CAN INTERFACE MODULE FOR MW100
CAN
FUNCTIONAL OVERVIEW
CAN INTERFACE MODULE FOR MW100 FUNCTIONAL OVERVIEW
SCALED TO YOUR APPLICATION
SCALED TO YOUR APPLICATION
The MW100 data acquisition/data logging system
can now accept up to 60 channels of data from
two or more CAN bus connections.
Apply the full range of advanced MW100
capabilities to applications that require monitoring
and recording of CAN bus data values. MW100
now becomes a flexible, compact, and portable
recording system that can handle a wide range of
applications in the industries that use CAN bus
technology.
The CAN interface module can be combined with
analog universal input modules on the same
MW100 system so that temperature, pressure,
strain, and other common measurements can be
performed along side CAN bus measurements on
the same vehicle or system under test and
combined in the same repor t.
MW100 system benefits include:
• Choice of I/O modules; customize your MW100
measurement system to include CAN and
analog input data
• Multi-inter val data logging to on-board Compact
Flash (CF) memor y
• Real-time monitoring and trending with common
web browsers
• 12-28 VDC power for portable applications
• Wide operating temperature range of
–20 to 50°C
• 10/100 base Ether net interface with email
messaging and automatic FTP transfer of
archive files to a PC ser ver
• Optional low cost data logging PC software
• OPC ser ver and Lab View driver availability
RS-232C Serial Interface
to PC for CAN module
configuration using the
included setting software
10/100 Base T
Ethernet Connection
- Web monitoring and
configuration
- FTP transfer to a
server
- Email messaging
- Data logging to a PC
CAN Bus Interface carries data from CAN
field devices to the MW100. Measure and
record power train, cooling system, HVAC,
suspension, and other CAN information
with MW100.
Powerful, stand-alone data logging functions
save CAN and measured data to secure on-
board Compact Flash (CF) memory. The
MW100 can run all by itself with no network
connection
The MX118-CAN-M30 interface module occupies one
physical slot location on the MW100 base plate. There
are two 9 pin D connectors on the front panel; the top one
is an RS-232C serial port, which attaches to a PC. A
software program is used to configure the module
through this port. The bottom connector attaches the
module to the CAN bus. An 8 position DIP switch sets
baud rate, measurement mode and enables a bus
terminator if needed. LED indicators show CAN bus
activity and setting mode status.
The CAN interface module substitutes digital CAN
channels (messages) for measured channel values on
the MW100. The module can be set to read 10, 20, or 30
messages from the CAN bus , thus a single CAN interf ace
module uses the same logical channel locations and
base plate slot positions as the analog input module(s) it
replaces. When set for 10 messages, one logical MW100
slot position is used; 20 messages uses two slot
positions; and 30 uses three slot positions. The CAN
module communications is single-direction, read only.
Data from the MW100 cannot be written to the CAN bus.
If CAN data is to be read from more than one bus, one
CAN module per bus is required. Up to 6 modules can be
used, 10-30 messages each, not to exceed the overall
system limit of 60 messages
. Example: 6 modules, 10
messages each; 3 modules, 20 messages each or 2
modules, 30 messages each.
All MW100 measure channel attributes including
engineering units, tag names, scaling, colors and alarms
can be applied to CAN message data.
The CAN interface module can be combined with other
MW100 I/O modules, offering great flexibility in how the
data logging system can be configured. Analog sensor
measurements can coe
xist with CAN inputs on the same
system, alarm relays can be used, etc. as long as slot
positions are available on the base plate.The table below
shows slot and channel allocations and number of
allowed modules.
Slot Width Channels (messages) Number of Allowed CAN Modules
1 10 6
220 3
330 2
1 slot base plate with MW100 main unit
MX118 CAN module;
10-30 CAN channels
2 slot base plate with MW100 main unit
1 MX110 analog input module; up to 10 analog inputs
MX118 CAN module;
10-30 CAN channels
3 slot base plate with MW100 main unit
2 MX110 analog input modules; up to 20 analog inputs
MX118 CAN module;
10-30 CAN channels
4 slot base plate with MW100 main unit
3 MX110 analog input modules; up to 30 analog inputs
MX118 CAN module; 10-30 CAN channels
5 slot base plate with MW100 main unit
4 MX110 analog input modules;
up to 40 analog inputs
MX118 CAN module; 10-20 CAN channels
6 slot base plate with MW100 main unit
5 MX110 analog input modules; up to 50 analog inputs
MX118 CAN module; 10 CAN channels
The CAN module can be installed with any
combination of MX ser
ies I/O modules
.
One or more
CAN modules can be combined with input modules
to achieve systems of various input capacity.
The CAN module requires one open slot position
f
or each 10 channel r
ange that it uses
.
F
or e
xample,
when set for 30 channels, 3 slot positions are used
b
y the module and cannot be used by other
modules
. For connection to more than one bus,
use one CAN module per bus.