Ultrasonic Level Indicator Monitor Manual(MPN 650), P/N 34701031

Ultrasonic Level Indicator Monitor Manual(MPN 650), P/N 34701031
AUTOMATION
P R O D U C T S
Operator’s Manual
MPN - 650 & 660
Series
Industrial Monitors
Rev. 1c, 4/04
Scientific Technologies Inc.
Automation Products Group
STI...Providing tailored solutions for measurement applications
Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.automationsensors.com • E-mail: sales@automationsensors.com
AUTOMATION
P R O D U C T S
STI...Providing tailored solutions
for measurement applications
Scientific Technologies, Inc.
Automation Products Group
Tel: 1/888/525-7300
1/435/753-7300
Fax: 1/435/753-7490
24 hour fax back system: 1/916/431-6544
e-mail: sales@automationproducts.com
www.automationproducts.com
STI Automation Sensors Division
1025 West 1700 North
Logan, UT 84321
STI PSI-Tronix Technologies Division
3950 South K Street
Tulare, CA 93274-7155
STI Headquarters
6550 Dumbarton Circle
Fremont, CA 94555-3605
NASDAQ listing: STIZ
To order additional copies of this manual, ask for STI part number PN00000-0000 Rev. A.
Rev. 1c, 4/04
MPN-650, 660
TABLE of CONTENTS
Description ...................................................................................... 2
Technical Specifications .................................................................. 2
Installation ...................................................................................... 3
Electrical Connection ...................................................................... 4
Input Adjustments and Programming .......................................... 5-6
Output Explanations ....................................................................... 7
Scientific Technologies Inc., Automation Products Group
STI...Providing tailored solutions for measurement applications
Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.automationsensors.com • sales@automationsensors.com
1
MPN-650, 660
Rev. 1c, 4/04
1. Description
The MPN-650 and 660 are industrial monitors. Both models have a programmable 4-digit
display for use with a 4-20mA control signal. The MPN-660 also incorporates an alarm
beacon and horn warning system. The MPN’s alarm system can accept inputs from
either discrete devises, such as a float switch or relay, or from an NPN transistor. This
makes the MPN-660 an ideal monitor/alarm for use with STI’s IRU-2125 ultrasonic
sensor.
2. Technical Specifications
Voltage:
120 VAC, 50/60 Hz, 7 watts max.
Enclosure:
7” x 7” x 3” Polycarbonate
MPN-660: NEMA 3R
MPN-650: NEMA 4X
Alarm Horn:
103 db at 3 feet. (660 model only)
Display:
4-digit 7-segment LED
Inputs:
1 - 4-20mA (for use with display only)
2 - Discrete/NPN (660 model only)
Outputs:
Alarm Beacon and Horn (660 model only)
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2
Rev. 1c, 4/04
MPN-650, 660
3. Installation
The MPN-650 & 660 are easy install. The enclosure is mounted using the four 3/16”
(4.75mm) mounting holes located directly under the cover attachment points. The
mounting holes are spaced 6.3” (160mm) on center.
The MPN-660 should be mounted in an area where the alarm beacon is clearly visible
and where the horn will be easy to hear.
6.3" (160mm)
6.3" (160mm)
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3
MPN-650, 660
Rev. 1c, 4/04
4. Electrical Connection
All electrical connections on the MPN-650 are made using the terminal strips CN1
and CN2. All wires should enter the MPN through the strain reliefs. After the
wiring has be properly connected, the strain reliefs should be tightened to help
secure the wiring and seal the unit.
See the wiring diagrams below for terminal wiring and information.
i
VAC L2
h
j
AC Ground
g
VAC L1
f
Ground
e
+24VDC (200mA Max.)
Not Used
d
+24VDC (200mA Max.)
c
4-20mA Input
b
Input #2
Input #1
a
a-b. Discrete/NPN Alarm Inputs 1 & 2. MPN-660 only. See Input Adjustments
and Programming section for details.
c.
4-20mA Input. The 4-20mA Input is used for display control only.
Note: The 4-20mA device must share a common ground with the MPN unit.
d. No Connection
e-f. +24 Volts DC power. These terminals can be used as voltage source for a 24
volt device. The maximum combined current draw from these terminals
must not exceed 200mA.
g. DC Ground Terminal. Can be used as a ground reference for the inputs.
h. AC 120 Volt Line
i. AC 120 Volts Neutral
j. AC Ground Terminal
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Rev. 1c, 4/04
MPN-650, 660
5. Input Adjustments and Programming
Discrete/NPN Inputs Setup.
The MPN-660 inputs can be jumpered to accept discrete contacts (such as a float
switch) or NPN transistor inputs. Each input can be jumpered for a “normally
open” or “normally closed” or “NPN” condition. The factory default jumper
settings will be “normally open”. To change the configuration of Input 1 or 2,
set the jumpers J2 & J3 or J4 & J5 to the desired setting as shown below and on
the circuit board nomenclature.
Note: NPN inputs use terminals 1 and/or terminal 3
Normally Open
Discrete Inputs
Normally Closed (failsafe)
Discrete Inputs
NPN Inputs
Jumper Settings
Jumper Settings
Input 1 = J2 & J3
Input 2 = J4 & J5
Terminal Wiring
Input 1 or 2
Jumper Settings
Input 1 = J2 & J3
Input 2 = J4 & J5
Terminal Wiring
Input 1 or 2
Input 1 or 2
A
A
A
A
A
B
B
B
B
B
B
C
C
C
C
C
C
Discrete Lead 1 Discrete Lead 2
NPN Input
A
Discrete Lead 1 Discrete Lead 2
Terminal Wiring
Input 1 = J2 & J3
Input 2 = J4 & J5
Connect NPN to left input terminal
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5
MPN-650, 660
Rev. 1c, 4/04
4-20mA Input Setup
The MPN accepts a 4-20mA input to control the 4 digit display. The 4-20mA
input does not have alarm control capabilities, and is only used for controlling
the display. To set the value of the 4mA and 20mA endpoints, follow the steps
below.
1. The decimal point position will determine the resolution of the display. To
set the decimal point position, press the UP and DN buttons simultaneously
to cycle the decimal point to the desired position.
2. To assign the 4mA or 20mA endpoint values, press and hold down either
the 4mA or 20mA button with either the UP or DN button until the desired
value is displayed. Once the endpoint have been set, the MPN will use
linear interpolation to determine what value is displayed.
NOTE: The 4mA and 20mA endpoints can be set to negative numbers. This
allows the MPN to be used with a device that has an unscalable 4-20mA output.
The display will flash when a negative number is displayed.
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Rev. 1c, 4/04
MPN-650, 660
6. Output Explanations
The MPN-660 uses a warning beacon and horn alarm outputs with the following three
conditions:
•If there is an alarm condition on input 1, then the horn and light will activate
continuously.
•If there is an alarm condition on input 2, then the horn and light will activate in an
on/off manner with 1/2 second intervals (50% duty cycle).
•If there is an alarm condition on input 1 and input 2, then the horn and light will
activate in an on/off manner with 1/4 second intervals (50% duty cycle).
To silence the horn after an alarm condition has occurred, the user must momentarily
toggle the function switch into the “silence” position. The warning light will stay active
until the alarm condition is resolved.
To test the MPN-660’s horn and beacon, toggle the function switch into the “test”
position. The horn and light will stay active as long as the switch is held in the test
position.
Scientific Technologies Inc., Automation Products Group
STI...Providing tailored solutions for measurement applications
Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.automationsensors.com • sales@automationsensors.com
7
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AUTOMATION
P R O D U C T S
Operator’s Manual
Scientific Technologies Inc.
Automation Products Group
STI...Providing tailored solutions for measurement applications
Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.automationsensors.com • E-mail: sales@automationsensors.com
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