General Specifications
CPU Specifications
Built-in RS-232/485 Port Specifications
Operating Temperature
0° to 60°C (32° to 140°F)
Program Memory Type
FLASH memory
Port Name
Storage Temperature
-20° to 85°C (-4° to 185°F)
User Data Memory Type
Battery Backed RAM, User configurable
Humidity
5 to 95% (non-condensing)
Environmental Air
No corrosive gases permitted
Pluggable Option Module
RS-232, RS-485, Ethernet 10/100 BASE-T
(1Mbps throughput max), USB 2.0 Type B
Vibration
IEC60068-2-6 (Test Fc)
Expansion Modules
4 expansion modules max
Shock
IEC60068-2-27 (Test Ea)
Enclosure Type
Open Equipment
±8s per day max at 60°C
UL61010-2 - UL File # E185989 Canada and USA
Programming Software
Do-more Designer – Ver. 2.0 or higher
CE Compliant EN61131-2*
Programming Cable Options
BX-PGM-CBL
Noise Immunity
NEMA ICS3-304
Custom Label Window Size
0.75″ x 2.25″ (19mm x 57.2mm)
EU Directive
See the “EU Directive” topic in the Help File
Weight
316g (11.2 oz)
Agency Approvals
Nominal Voltage Rating
120–240 VAC
Input Voltage Range (Tolerance)
85–264 VAC
Rated Operating Frequency
47–63 Hz
Maximum Input Power
40VA
Cold Start Inrush Current
1.5A, 2ms
Maximum Inrush Current (Hot Start)
1.5A, 2ms
Internal Input Fuse Protection
Micro fuse 250V, 2A Non-replaceable
Heat Dissipation
8W Max
Isolated User 24VDC Output
24VDC @ 0.3A max, <1V P-P Ripple,
Integrated self-resetting short circuit
protection
Voltage Withstand (dielectric)
1500VAC Power Inputs to Ground
applied for 1 minute
Data Rates
1200, 2400, 4800, 9600, 19200, 38400, 57600, and
115200
Default Settings
RS-232, 115200 bps, No Parity, 8 Data Bits, 1 Stop
Bit, Station #1
Port Type
3-pin terminal strip 3.5mm pitch
Green LED is illuminated when active for TXD and
RXD
RS-485 Station Addresses 1-247
Port Status LED
*Meets EMC and Safety requirements. See the D.O.C. for details.
Power Supply Specifications
Non-isolated serial port that can communicate via
RS-232 or RS-485 (software selectable). Includes
ESD protection and built-in surge protection.
Do-more Protocol (Default)
Modbus RTU (Master & Slave)
K-Sequence (Slave)
ASCII (In & Out)
Description*
Supported Protocols
±2.6s per day typical at 25°C
Real Time Clock Accuracy
RS-232/RS-485 Serial Port
Indicator
PWR
RUN
MEM
ERR
Status
OFF
Green
Yellow
OFF
Green
Yellow
OFF
Yellow
Green
Red
OFF
Red
RS-232 use L19772-XXX from AutomationDirect.com
Cable Recommendations
CPU Status Indicators
RS-485 use L19827-XXX from AutomationDirect.com
Replacement Connector
Description
Base Power OFF
Base Power ON
Low Battery
CPU is in STOP Mode
CPU is in RUN Mode
Forces are Active
No ROM Activity, No SD Card
ROM Activity (Flash or SD Card)
SD Card Installed and Mounted
SD Card Installed and Not Mounted
CPU is functioning normally
CPU Fatal Hardware Error or Software Watchdog Error
ADC Part # BX-RTB03S
TX
GND
Pinout
RX/D-
RX
TX/D+
RS232/RS485
RS232
RS485
1
GND
GND
2
RXD
D-
3
TXD
D+
Removable connector included.
* NOTE: When using RS-485, a terminator resistor is built-in and software selectable.
BX-DM1-18AR
BRX MPU with Do-more! DM1 technology
120 VAC required, serial port, microSD slot, Discrete Input:
10-point, AC, Discrete Output: 8-point, relay.
I/O Terminal Blocks sold separately.
(See Terminal Block Connection Options table).
1500VAC Ground to 24VDC applied for
1 minute
Document Name
Edition/Revision
Date
BX-DM1-18AR
1st Ed. RevA
2/8/2017
Copyright 2017, AutomationDirect.com Incorporated/All Rights Reserved Worldwide.
Terminal Block Connection Options
Terminal Block Connector Specifications
BX-RTB18
Terminal Block Kit, 90-degree screw type, Fits all BRX
18-point PLCs. Kit includes (3) 5-pin 5mm plugs, (2) 6-pin
5mm plugs, (1) 3-pin 5mm plugs.
Part Number
BX-RTB03S
BX-RTB18
Connector Type
Screw Type-90°
Screw Type-90°
BX-RTB18-1
Terminal Block Kit, 180-degree spring clamp type, Fits all
BRX 18-point PLCs. Kit includes (3) 5-pin 5mm plugs, (2)
6-pin 5mm plugs, (1) 3-pin 5mm plugs.
Wire Exit
180°
180°
Spring Clamp
Type-180°
180°
Pitch
3.5mm
5.0mm
5.0mm
Screw Size
Recommended
Screw torque
Screwdriver Blade
Width
Wire Gauge
(Single Wire)
M2
<1.77 lb·in
(0.2 N·m)
M2.5
< 3.98 lb·in
(0.45 N·m)
N/A
2.5mm
3.5mm
3.5mm
28-16 AWG
28-12 AWG
28-14 AWG
Wire Gauge
(Dual Wire)
28-16 AWG
28-16 AWG
28-16 AWG
(Dual Wire Ferrule
Required)
Wire Strip Length
0.24in (6mm)
0.3in (7.5mm)
0.37in (9.5mm)
5ESDV-0nP-BK*
5ESDSR-0nP-BK*
Equiv. Dinkle part # EC350V-03P-BK
WARNING: To minimize the risk of potential safety problems, you
should follow all applicable local and national codes that regulate the
installation and operation of your equipment. These codes vary from
area to area and it is your responsibility to determine which codes
should be followed, and to verify that the equipment, installation, and
operation are in compliance with the latest revision of these codes.
Equipment damage or serious injury to personnel can result from
the failure to follow all applicable codes and standards. We do not
guarantee the products described in this publication are suitable for
your particular application, nor do we assume any responsibility for
your product design, installation, or operation.
If you have any questions concerning the installation or operation
of this equipment, or if you need additional information, please call
Technical Support at 770-844-4200.
This publication is based on information that was available at the
time it was printed. At AutomationDirect.com® we constantly strive to
improve our products and services, so we reserve the right to make
changes to the products and/or publications at any time without notice
and without any obligation. This publication may also discuss features
that may not be available in certain revisions of the product.
BX-RTB18-1
N/A
*NOTE: n=(3) 3-terminal, (5) 5-terminal, or (6) for 6-terminal
microSD Specifications
CPU Mode Switch Functions
RUN position
CPU is forced into RUN Mode if no errors are encountered.
TERM position
RUN, PROGRAM and DEBUG modes are available. In this
position, the mode of operation can be changed through the
Do-more Designer Software.
STOP position
CPU is forced into STOP Mode.
Port Name
microSD Card Slot
Description
Standard microSD socket for data logging / file management
Maximum Card
Capacity
32GB
Transfer Rate
(ADATA microSDHC
Class 4 memory card)
Port Status LED
Mbps
Minimum
Typical
Maximum
Read
14.3
14.4
14.6
Write
4.8
4.9
5.1
Do-more BRX Manual available at
www.automationdirect.com/pn/doc/
manual/BX-DM1-18AR
IMPORTANT!
Hot-Swapping Information
Note: This device cannot be Hot Swapped.
Green LED is illuminated when card is inserted/detected
Optional microSD Card ADC Part # MICSD-16G
www.do-moreplcs.com
Tech Support 770-844-4200
Sales 800-633-0405
Your Automation Foundation!™
5
4
3
2
1
0
STOP
ERR
24VDC
85-264VAC
NOTE: Do not
remove tape
from battery.
nC
0
1
X
2
3
4
4.25″
[107.9mm″]
4.41″
[112.1mm]
TERM
MEM
Relay Output
AC Input
RUN
RUN
1.78″
[45.3mm]
6
PWR
Discrete
Output Wiring
Discrete
Input Wiring
4.69″
[119.1mm]
3.59″
[91.1mm]
SD
TX
X
0.3A
X
RX
Custom
Label
Window
G
GND
RX/DR
0
1
Y
2
3
NOTE: DIP switches located in this compartment
are used for debug and recovery functions only.
Please refer to the BRX User Manual for full
instructions on using these switches.
RS-232/485
35VA
LOAD
5-PIN
CR2
032
CPU Mode
Switch
I/O Wiring
LOAD
5-PIN
+
Dimensional
Information
LOAD
Coin Battery CR2032
ADC Part # D0-MC-BAT
7
5-PIN
Battery Replacement
LOAD
Terminal and Front Panel Layout
Micro SD Card Slot
TX/D+
T
Serial Port
nC
#8 Thru all (3 Places)
Mounting Restrictions
OK
BX-DM1-18AR
Pluggable Option
Module (POM) Slot
Supply Power Wiring
AC Power In
120–240 VAC
AIRFLOW
2″ (50mm)
Minimum
from Enclosure
2″ (50mm)
Minimum
from Wire Duct
Auxillary out
24VDC
300mA max.
-
+
V-
V+
2″ (50mm)
Minimum from
Enclosure
6-PIN
6-PIN
3-PIN
2″ (50mm) Minimum
from Enclosure
I/O Terminal Blocks sold separately.
(See Terminal Block Connection Options table).
2″ (50mm)
Minimum
from Enclosure
Discrete Input Specifications
Discrete Output Specifications
Input Type
AC
Output Type
Relay Form A (SPST)
Total Inputs per Module
10 Standard
Total Outputs per Module
8 Relay
Commons
2 (5 points/common) Isolated
Commons
2 (4 points/common) Isolated
Nominal Voltage Rating
120–240 VAC
Maximum current per common
8A
Input Voltage Range
85–264 VAC
Nominal Voltage Ratings
5–48 VDC, 24–240 VAC
Maximum Voltage
264 VAC RMS
Output Voltage Range
5–60 VDC, 18–264 VAC
AC Frequency
47–63 Hz
Maximum Voltage
60VDC, 264VAC
9mA @ 120VAC, 13mA @ 220VAC
Minimum Output Current
0.1mA @ 24VDC
Input Impedance
15kΩ
Maximum Output Current
2A
ON Voltage Level
> 85 VAC
Maximum Leakage Current
1µA (DC), 300µA (AC) due to RC snubber
OFF Voltage Level
< 40 VAC
Maximum Switching Frequency
10Hz
Status Indicators
Logic Side, Green
Status Indicators
Logic Side, Green
Input Current (typical)
www.do-moreplcs.com
Tech Support 770-844-4200
2″ (50mm)
Minimum
from Wire Duct
Sales 800-633-0405
L
N
G
AC Power
Your Automation Foundation!™
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