Revised 4/3/00 • M220nx 2 © 2000 Automated Logic Corporation
Using the M220nx
The M220nx is a general purpose controller
that can be used for a variety of applications.
TheM220nxispartoftheM-Line,which
allows a complete HVAC control system to be
built a piece at a time.
The M-Line consists of several general
purpose controllers that provide different
input and output point combinations. The
M220nx has
• two digital outputs
• two universal inputs
TheM220nxprovidesthecommunications
circuitry, non-volatile memory, and
removable screw terminals for I/O
connections.
The M220nx uses a 6.00g or later version of
the M2M Module Driver; for more
information, see the M2M Module Driver
document on the Automated Logic website at
www.automatedlogic.com.
CAUTION Changes or modifications to this
unit not expressly approved by the party
responsible for compliance could void the
user’s authority to operate equipment.
NOTE This equipment has been tested and
found to comply with the limits for a Class A
digital device, pursuant to Part 15 of the FCC
Rules. These limits are designed to provide
reasonable protection against harmful
interference when the equipment is operated
in a commercial environment. This
equipment generates, uses, and can radiate
radio frequency energy and, if not installed
and used in accordance with the instruction
manual, may cause harmful interference to
radio communications. Operation of this
equipment in a residential area is likely to
Figure 1. Module Dimensions and Layout
5RWDU\ $GGUHVV
3RZHU 6ZLWFK
$FFHVV 3R UW
71/2"
19.05cm
87/8"
22.5cm
23/4"
7cm
11/4"
3.2cm
1/4"
0.6cm
)RUPDW %XWWRQ
1
2
3
4
IN-1
IN-2
B
A
B
A
net
CM
ARC156
Source Only
UseSingleClass2
B - Gnd/Loop Power
A - Input Signal
Shield
Over ARCNET156KBaud
TM
BACnet
38.4k
9600
Comm Select
Baud Select
0-20 mA
0-5Vdc
dry-contact
Thermistor/
Mode Select
Universal Input
Access Port
Net -
Net +
Tx
Rx
Different Class 2 Circuits.
Interconnect the Outputs of
or Electrical Shock, Do Not
To Reduce the Risk of Fire
Caution:
3A Max.
24V Max.
Conductors Only
Use Copper
20VA, 0.83A
50-60 Hz
24Vac
Class 2
Format
Address
Module
10's 1's
Error
Run Power
Auto Off On
Power
On Off
24Vac
Gnd
E143900
TYPE: 00610 4
88FO
R
Management Equipment
Open Energy
1
2
3
4
DO-1
DO-2
CONTROL MODULE
M220NX
+2$
6ZLWFKHV
net
CM
N/C
%DXG 6HOHFW
&RPP 6HOHFW
Inputs
5V Max, 20mA Max
*QG DQG 9 DF
7HUPLQDOV
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