Ultra electronics MX420-OP2 User manual

Safety and Warning Information
Connect the DIN Rail, via the Model
2A09 End Clamp, to Protective Earth
(PE) ground with low impedance.
ATEX Specific Conditions of Use
Modules shall be installed in an enclosure which
maintains an ingress protection rating of IP54 and
meets the enclosure requirements of EN60079-0 and
EN60079-15. The EOTec modules shall be installed
in DIN rail with DIN end clamps mounted on both
sides of the module set. The DIN rail must be
connected to Protective Earth in order to provide
modules with a Protective Earth connection. Do not
disconnect equipment connections or modules when
energized.
Ultra Electronics
NUCLEAR SENSORS & PROCESS INSTRUMENATION
707 Jeffery Way, PO Box 300
Round Rock, TX 78680-300 USA
Toll Free: 800-880-9333
Telephone:[phone]
Fax: [phone]
Email: [e-mail]
www.ultra-nspi.com
Ultra Electronics, Nuclear sensors & Process
Instrumentation is a business name of Weed
Instrument Co., Inc.
Important Notice - Before utilizing the product, the user should
determine the suitability of the product for its intended use. The
user assumes all risk and liability in connection with such use.
ULTRA ELECTRONICS’ WRITTEN WARRANTY FOR THE
PRODUCT IS MADE IN LIEU OF ALL OTHER WARRANTIES,
EXPRESSED OR IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. The user's exclusive remedy for breach of Ultra
Electronics' written warranty shall be the repair or replacement of
such quantity of product which is proven to be defective. In no
case shall Ultra Electronics be liable for any special, incidental,
or consequential damages based upon breach of contract,
negligence, strict liability or other legal theory.
Approval Agency Controlled Document
No changes authorized without prior agency approval
Publication Number: RM0900207 Rev. 0
EOTec MX Multiplexer Models
MX420-OP2 / MX420-OP4
2 & 4 Port 4-20mA Output Modules
Installation Instructions
Original Instructions
Nuclear Sensors &
Process Instrumentation
POWER: The MX420-OP modules obtain power from
the 10+2 interconnection bus. Power originates from
an MX Base Module (see specification section).
4 to 20mA OUTPUT: The Port-1 I/O terminal block is
at the top-front of the unit. Port-2 is directly below it.
On a 4 port model, Port-3 is at the bottom-front of the
unit with Port-4 directly below and behind it. Screw
terminal blocks are numbered from left-to-right as
follows:
NOTE: Internally, this module’s negative (-) input
terminals are connected to the modules
interconnection bus negative (-
) terminal (circuit
common).
Connections
MX 4-20mA Output Modules
For use ONLY with the
EOTec MX Multiplexer Line

Operation & Installation
Description:
4 to 20mA, Analog Output Modules,
Models MX420-OP2 and MX420-OP4, are designed
to provide two or four channels of process loop
outputs. The input signals from the mated MX420-
IP2 or MX420-IP4, 4 to 20mA Input Module on the
opposite end of the fiber link are digitized and passed
to its MX Base Module where they are multiplexed
and converted to a fiber optic signal. The MX Base
Module at the output end of the fiber link de-
multiplexes the signals and passes them to a Model
MX420-OP2 or MX420-OP4, 4 to 20mA, Analog
Output Modules for conversion back to their original 4
to 20mA format. Or use MX010-OP2 and MX010-
OP4, 0 to 10Vdc, Analog Output Modules for
conversion to the 0 to 10Vdc format.
Absolutely no field adjustments are required as all
units deliver the highest degree of accuracy over their
entire specified ambient temperature range.
Assembly: Place the top lip of the module's mounting
channel onto the DIN rail. Push the lower portion of
the module towards the mounting surface until it
"clicks" and locks into place. Firmly slide the modules
together such that the module sides are touching
ensuring a good connection of the 10+2 integrated
BUS interconnection at the rear of the modules.
Install End Clamps (Model 2A09) to both sides of the
module bundle to prevent accidental unplugging of the
BUS interconnections. The End Clamps can provide
convenient screw terminals for connecting the DIN rail
to Protective Earth (PE) ground.
Dismantle: Remove the End Clamps from the DIN
rail. Disconnect the BUS interconnections by sliding
the modules at least 1/2" apart from each other. Insert
a screwdriver into the rectangular hole in the metal
mounting latch at the bottom of the module. Pushing
up on the screwdriver's handle causes the latch to
move downwa
rd and disengages it from the DIN rail.
Tilt the module up and lift it off of the DIN rail.
Power Requirements
15 to 30VDC via the interconnection Bus from an
MX Base Module (MXB-MM2, MXB-SM15, MXB-
SM40 or MXB-SM80)
MX420-OP2
90mA @ 24Vdc
MX420-OP4 130mA @ 24Vdc
Connections
Pluggable, Cage Clamp Screw Terminal Blocks,
Accept 12 to 24 AWG
MX420-OP2
2 – 4-20mA Process Loop Ports
MX420-OP4
4 – 4-20mA Process Loop Ports
Update Rate
57.6KHz, independent of number of modules or
ports utilized
Operating Range
3.8 to 20.5mAdc
< 3.36mA = Saturation
< 3.52mA = LED Off
< 3.8mA = Under Range; LED flashing red
> 20.5mA = Over Range; LED solid red
> 21.6mA = Saturation
Conversion – Voltage to Current
4mA = 0Vdc; 20mA = 10Vdc
Scale: 1mA = 0.625Vdc
Ambient Conditions
-40 to 85°C
0 to 95% Humidity (Non-condensing)
Reference Accuracy
0.01% @ 25°C
Ambient Temp. Effect
0.08% / 50°C Change
Max. Loop Resistance
600 Ohms
Signal Resolution
16 bit
Sensitivity
216 or 65,536 Steps
Mounting
35mm DIN Rail
Weight
< 9oz
Enclosure Material
Polyamide
Flammability Rating
UL 94V-0
Fuse
500mA 125V
Replacement fuses can be purchased from your
Schurter distributor. Part number 3403.0163.11
SpecificationsSettings & Indicators
Use a small screwdriver to press on the latches
(indentations) at the top and bottom of the front
housing cover. Slide housing forward to open.
MODULE ADDRERSS SETTING: A two position DIP
switch, SW1, is used to set the address of the module
and it must match the address of its mating module at
the opposite end of the fiber link. Do not set two
modules at the same end of the fiber link in one stack
to the same address setting. Each module in a stack
must have a different address to function properly.
The 4 possible address settings are:
Address
SW1-1
SW1-2
00
OFF
OFF
01
OFF
ON
10
ON
OFF
11
ON
ON
LED
Color
Description
Power
Green
Power Applied
Off No Power
I/O Ports
Green
Normal Operation
Off
No Input/Output Data
Regulatory Information
INDUSTRIAL CONTROL EQUIP. FOR HAZ. LOC.
CLASS I, DIVISION 2, GROUPS A,B,C, & D, T4
Do not disconnect equipment unless area is known to
be non-hazardous. Certified components for use in a
suitable enclosure. Substitution of components or
other equipment modification may impair suitability.
Ambient Temperature: -40 .. 85C Max
Electrical Rating: 24Vdc, 130mA
FM11ATEX0067X
II 3 G Ex nA IIC T4 Ta = -40 ºC to 85 ºC
Service
Service of this equipment is to be performed by Ultra
Electronics, NSPI only. This unit has no scheduled
replacement of parts. For installation manuals in a
co
mmunity language other than English please
contact Ultra Electronics, NSPI.