Dwyer MN-1 - Manual

Specifications and Operating Instructions
The Model MN-1 Mini-Node Communication Signal Converter is a low
cost device that converts half duplex RS 485 serial communications
signals into a signal that can be read by any computer with a USB port.
The integral USB connector and RJ-45 connector reduces set up time
by eliminating extra wiring. The Model MN-1 is powered via the USB
connection which eliminates the need for an external power source. The
compact size is great for field installation, control panels, and lab testing.
Bulletin E-90-MN-1 Model MN-1 Mini-Node Communication Signal Converter
LOVE CONTROLS
DIVISION
DWYER INSTRUMENTS, INC.
Phone: 219/879-8000 www.love-controls.com
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361, U.S.A. Fax: 219/872-9057 e-mail: [email protected]
57/64
[22.5]
3-5/32
[80.0]
53/64
[21.2]
YELLOW LED GREEN LED
SPECIFICATIONS
Power Requirements: No external power required.
Power Consumption: 0.4 W.
Isolated Voltage: 3000 VDC.
Input Impedance: 96 k .
USB Connector: A-Type (plug).
RS-485 Connector: RJ-45.
Baud Rate: 75, 150, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400,
57600, and 115200 bps.
Compatibility: Full compliance with USB V.2.0 specification.
RJ-45 PIN APPLICATION
The “SG+” connects to the “+” and the “SG-” connects to the “-” of the
RS-485 Device.
PIN
1
2
3
4
5
6
7
8 Signal Name
Reserved
Reserved
Reserved
SG+ (Red)
SG- (Green)
Reserved
Reserved
Reserved
E-90-MN-1:TSS Bulletin 1/25/11 10:04 AM Page 1