Sel M3000 User manual

Analog Alarm Annunciator M3000
User’s Manual
SELCO
Betonvej 11 –DK-4000 Roskilde
Denmark
Phone: [phone] - Fax: [phone]
e-mail: [e-mail]
www.selco.com

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Table of contents
1. INSTALLATION...........................................................................................................................5
1.1 Dimensions............................................................................................................................6
2. CONNECTION............................................................................................................................7
2.1 Power Supply.........................................................................................................................8
2.2 Inputs.....................................................................................................................................8
2.2.1 Voltage and Current Sources...........................................................................................9
2.2.2 Potential Free Contacts...................................................................................................9
2.2.3 Mixed Sensor Types........................................................................................................9
2.2.4 PT100, Thermocouples and Pressure Sensors..............................................................10
2.3 Open Collector Outputs........................................................................................................11
2.3.1 ALARM OUT .................................................................................................................11
2.3.2 SIREN...........................................................................................................................11
2.3.3 OUT1 - OUT14..............................................................................................................11
3. CONFIGURATION ....................................................................................................................12
3.1 Physical Input ......................................................................................................................14
3.1.1 Input Type .....................................................................................................................14
3.1.2 LCD Unit........................................................................................................................14
3.1.3 Input Lower Reference ..................................................................................................14
3.1.4 LCD Lower Reference...................................................................................................14
3.1.5 Input Upper Reference ..................................................................................................14
3.1.6 LCD Upper Reference...................................................................................................15
3.1.7 Miscellaneous................................................................................................................15
3.2 Logical Input ........................................................................................................................15
3.2.1 Average Calculation ......................................................................................................15
3.3 Alarm...................................................................................................................................16
3.3.1 Input Reference.............................................................................................................16
3.3.2 Set Point........................................................................................................................16
3.3.3 LCD Description ............................................................................................................17
3.3.4 Delay.............................................................................................................................18
3.3.5 LED...............................................................................................................................18
3.3.6 Output ...........................................................................................................................18
3.3.7 Flags .............................................................................................................................18
3.3.7.1 Block.......................................................................................................................18
3.3.7.2 Control Mode ..........................................................................................................19
4. OPERATION.............................................................................................................................20
4.1 Keyboard Dialog ..................................................................................................................20
4.1.1 Siren Deactivation .........................................................................................................20

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4.1.2 LED Reset.....................................................................................................................20
4.1.3 Output Deactivation.......................................................................................................21
4.2 Alarm Indication...................................................................................................................21
5. PROGRAMMING ......................................................................................................................21
5.1 Physical Input ......................................................................................................................22
5.1.1 Input Type.....................................................................................................................22
5.1.2 LCD Unit........................................................................................................................22
5.1.3 Input Lower Reference ..................................................................................................22
5.1.4 LCD Lower Reference...................................................................................................23
5.1.5 Input Upper Reference ..................................................................................................23
5.1.6 LCD Upper Reference...................................................................................................23
5.1.7 Miscellaneous................................................................................................................24
5.2 Logical Input ........................................................................................................................24
5.2.1 Average.........................................................................................................................24
5.3 Alarm...................................................................................................................................25
5.3.1 Input Reference.............................................................................................................25
5.3.2 Set Point........................................................................................................................25
5.3.3 LCD Description............................................................................................................26
5.3.4 Delay.............................................................................................................................26
5.3.5 LED...............................................................................................................................26
5.3.6 Output ...........................................................................................................................26
5.3.7 Flags .............................................................................................................................27
6. LOW-LEVEL CONFIGURATION...............................................................................................27
6.1 General Constants...............................................................................................................27
6.1.1 A00 - E²PROM Initialization...........................................................................................27
6.1.2 A01 - Function Test.......................................................................................................27
6.1.3 A03 - Device Number....................................................................................................27
6.1.4 A05 - RS232 Baud Rate................................................................................................28
6.1.5 A06 - RS485 Baud Rate................................................................................................28
6.1.6 A07 - Remote Reset......................................................................................................28
6.1.7 A08 - Output Follows Input............................................................................................28
6.1.8 A09 - Remote LED Test ................................................................................................28
6.1.9 A10 - Block....................................................................................................................28
6.1.10 A11 - M1000 Reset Function.......................................................................................28
7. SPECIFICATIONS ....................................................................................................................30
8. APPENDIX 1 - APPLICATION EXAMPLES...............................................................................31
8.1 Current Transmitter 4 - 20 mA..............................................................................................31
8.1.1 Connection....................................................................................................................31
8.1.2 Configuration.................................................................................................................31

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8.2 Potential Free Contacts........................................................................................................32
8.2.1 Connection....................................................................................................................32
8.2.2 Configuration.................................................................................................................32
8.3 Average Temperature Alarms (Engine Application)..............................................................32
8.3.1 Connection....................................................................................................................33
8.3.2 Configuration.................................................................................................................33
Important note:
This document contains information on a new product. Specifications and information herein are
subject to change without notice. Please advise SELCO for further details on latest developments.

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1 INSTALLATION
The M3000 is designed for flush mounting. Outside dimensions are H x W x D = 144 x 144 x
70mm. A cut out with dimensions H x W = 138 x 138mm must be made in order to install the unit in
the switchboard cabinet.
Make sure that there is enough space in the switch board cabinet behind the unit to install the plug-
in connectors and the cables. An installation depth of between 75 and 90mm is recommended.
The M3000 is secured to the switch board plate through the use of the 4 mounting/fixing brackets
included in the package.
Install the M3000 as described below.
Find a location in the switch board cabinet with enough installation depth to house the M3000
unit. Make sure that the selected location is also satisfactory from the operator’s point of view.
Keep in mind that it may be convenient to make room for the RS232 connection if you plan to
do external programming from a PC in the future.
Make a cut out with the dimensions H x W = 138 x 138mm in the cabinet plate.
Remove all the plug-in connectors located at the rear side of the unit.
Make sure the rubber gasket is in place behind the unit front plate. This gasket is necessary to
ensure compliance with the IP54 requirements.
Insert the unit into the cut out.
Place the 4 mounting/fixing brackets in the small rectangular cut outs located at the top and
bottom plates of the unit.
Tighten the 4 mounting/fixing brackets with a screwdriver until the unit is firmly seated.
Be careful not to make the connection cables too short. Extending the length of all cables with
around 100mm will ease any later service task.

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1.1 Dimensions
Cutout138x138mm
144mm
1
4
4
m
m
4.5mm
70mm

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2. CONNECTION
The M3000 includes a number of plug-in connectors. Each of these connectors houses a number
of screw terminals to which the cables are connected. The plug-in terminals can easily be attached
and removed without the use of any tools. The plug-in connectors include the connection terminals
for the power supply, the 24 sensor inputs and the 16 open collector outputs.
The figure below shows the rear side of the M3000 unit.
The M3000 includes 8 groups of input terminals. Each group is physically represented by a plug-in
connector that holds 3 input terminals, “IN1”, “IN2” and “IN3”, and one common reference terminal
“GND”. Be sure not to confuse the physical inputs with the logical inputs “INA”, “INB” and “INC”.
The logical inputs has no related input terminals, they are imaginary inputs intended for average
calculation based upon other inputs. The logical inputs are described later in this manual.
Alarm annunciation is done through 48 programmable alarms. Each alarm can be programmed to
monitor a physical or logical input. Alarm annunciation takes place when the input signal exceeds
the set point of the alarm. An alarm is able to control one LED and one open collector output.
Control of external equipment is possible through the use of 16 open collector outputs. 14 of these
outputs, “OUT1” to “OUT14”, are user programmable for alarm dependent control. The “SIREN”
output is mainly intended for the control of an acoustic warning device. An active “AL.OUT” signal
indicates that an alarm condition exists on the unit.
The M3000 includes two interface standards for serial data communication. The RS232 interface is
intended for point to point data communication between the M3000 and another device, e.g. a PC.
RS485 is intended for long distance bus communication between multiple M3000 units.
RS232
Used for remote
configuration with
the SELCO M3092
Programmer
ALARM / PROG
Switch to select
alarm or
programming mode
RS485
Used for
communication with
the SELCO H0300
Event Logger or
another bus system
ALARM / PROG
Switch to select
alarm or
programming mode
LCD contrast
8 input groups
Includes 3 input
terminals for
analog or digital
signals and 1
GND terminal for
common reference
16 open
collector
outputs
Power supply
and dimming

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The small switch on the left side of the rear panel is used to change between program mode and
alarm mode. In program mode the functions of the unit can be programmed. Alarm mode is the
normal alarm mode. The potentiometer at the bottom behind the front plate provides contrast
adjustment for the liquid crystal display (LCD).
2.1 Power Supply
The M3000 requires a supply of +24V DC. The supply wires must be connected between terminal
120 (+24V DC) and terminal 121 (GND). The supply voltage is required to be within the range of
+18V DC to +30V DC, this voltage range corresponds to ±30% of the nominal supply voltage. The
current consumption from the +24V DC supply is less than 400mA.
The power supply plug-in connector of the M3000 includes 3 terminals, one for +24V DC, one
GND reference and one terminal DIM for dimming of the LED’s on the front panel of the unit. For
dimming purpose a potentiometer of 100kΩ is connected between the terminal 122 (DIM) and
terminal 121 (GND).
The connection of the +24V DC supply and the potentiometer for dimming is shown below.
Important note: The power supply used for the M3000 and its interface components should be
operative and stable under all conditions. The M3000 is in most cases required to be operative at
all times - even under a possible “black out” condition.
2.2 Inputs
The M3000 includes a total of 24 inputs. Each of these inputs will accept the connection of one
sensor. The sensor can be a PT100 or a thermocouple supplying a current or voltage signal
through the use of a standard transmitter. It is also possible to connect a potential free contact to
an input. The sensors need not be for temperature, it is in fact possible to connect any sensor that
is, in some way, able to provide a DC voltage or current signal.
The input types are 10V DC, 24V DC and 0-20mA. Please note that the voltage on an input
terminal is measured according to the common reference of the unit (GND). The supply GND
terminal and the group plug-in GND terminals are connected together.
100K
DIM

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2.2.1 Voltage and Current Sources
Below are two examples. These examples show the two most common input configurations. The
figure to the left shows the connection of 3 voltage sources supplying a voltage within the range of
10V DC. The figure to the right shows how to connect 3 current sources.
2.2.2 Potential Free Contacts
The M3000 is capable of annunciating digital alarms. In this case the sensor will be some kind of
potential free contact. The potential free contact will actually control the connection of a voltage
source
The figure below shows 3 potential free contacts on the same input plug-in connector. The
reference of the contacts is +24V DC.
2.2.3 Mixed Sensor Types
The previous examples of how to connect different sensors involved a whole input plug-in
connector (3 inputs) at one time. However it is also possible to mix the sensor types within an input
plug-in connector. Please refer to the example below.
The example above shows 3 different sensors connected to the same input plug-in connector.
Input terminal “IN1” is connected to a potential free contact to +24V DC.
Input terminal “IN2” is connected to a current source.

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Input terminal “IN3” is connected directly to a voltage source providing a voltage difference
between “IN3” and “GND”.
2.2.4 PT100, Thermocouples and Pressure Sensors
Note that there is a wide range of transmitters on the market that provide an output signal of 4 to
20 mA. A transmitter of this type is actually a current source and should be connected as such. An
example describing the connection of a Kamstrup-Metro Flex Temp transmitter is shown below.
The connection of other 4-20 mA transmitters is similar to this example.
The transmitter shown above works like a current gate. It releases only 4mA at 0°C and 20mA at
100°C.
Two Danish companies that supplies 4-20mA transmitters:
Kamstrup A/S
Jacob Knudsens vej 12,
DK-8230 Åbyhøj
Phone: [phone]
Fax: [phone]
PR Electronics
Lerbakken 10,
DK-8410 Rønde
Phone: [phone]
Fax: [phone]
The SELCO PT100 6 Way Transmitter M1500 provides a cost-effective solution and includes 6
current transmitters in one box to be connected to PT 100 resistors. The following diagram shows
the connections of the M1500.
2.
24
4-20mA
PT100
OUT1
PT100 1.
4-20mA
GND
M1500
18
1
17
+
-
PT100
3 2
19
4
20
OUT4 4-20mA
GND
22
6 5
21
7
23
OUT5
4.
GND
OUT3 OUT2
PT100
3.
4-20mA 4-20mA
GND GND
14
30 27
5.
11
25
9 810
26
PT100
12
28
13
29
OUT6 GND
4-20mA
-+
15
31
16
32
PT100
6.