Hotraco agri EMEC-12 User manual

1
MANUAL EMEC-12
Egg-counter EMEC-12/E/01
February 2013
Subject to modification
1. General
The EMEC-12 is an egg-counter which makes it
possible, in combination with an egg-counter
computer, to count eggs on a conveyor belt. The
eggs do not need to be singulated or oriented in
any way, the sensor will accurately count side-by-
side eggs.
The EMEC-12 uses infrared light to detect the
eggs on the conveyor. For every detected egg, an
electronic pulse is generated. The EMEC-12 is
also provided with a CAN-bus, through which the
information is sent.
The EMEC-12 works with an accuracy of minimal
99,5%. The accuracy of the EMEC-12 strongly
depends on the mounting.
2. Technical specifications
Electrical
Power supply
:
8..30 Vdc
Power consumption electronics
:
max. 1 VA
Measuring range
Scan width
:
120 mm
Scan height
:
25-50 mm (at mounting height 62 mm)
Pulse output
Open collector
:
Type NPN
Current
:
max. 25 mA (Ri = 100 )
Pulse time
:
LOW: 150 msec, HIGH: 150 msec (minimal)
Standby input
Input circuit
:
Ri = 15 k standby level = 8 V minimal
Communication
Protocol
:
CAN-EGG
Maximum length
:
250 meter @ 100 Kbs
EEG-directives
EMC
:
89 / 336 / EEG
Low voltage
:
93 / 68 / EEG
Mechanical
Operating temperature range
:
0…40 C
Dimensions (H x W x D)
:
55 x 120 x 122 mm
Encasing
:
IP 53 synthetic
Weight
:
ca. 0,2 kg
80HA

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3. Installation on a conveyor
In order to achieve the best accuracy, the egg-counter should be mounted at a place where the
eggs are not rolling or shifting on the conveyor. Also, some conveyors move backwards
after the drive motor turns off. The egg-counter will count eggs moving in either direction,
causing an overcount if the conveyor moves backwards significantly. This problem can be
corrected by installing a brake on the motor, or by installing the egg-counter at another location
on the conveyor.
The egg-counter should be mounted on a suitable bracket (The B-EMEC, which can be
delivered by your supplier) directly above the egg conveyor.
Important: When mounting the bracket, it is necessary to maintain a height of approximately
62 mm between the upper side of the conveyor and the bottom of the egg-
counter.
Accuracy of the egg-counter can be affected by bright overhead lighting, for example sunlight.
With too much sunlight, an accurate working is not guaranteed and an error message will
appear (the red LED turns ON). Therefore it is wise not to connect the egg-counter near a door
or window.
The egg-counter will compensate normal amounts of background light. Occasionally, the egg-
counter may need to be shaded from the bright light.
62 mm
40 - 50cm
The eggs must lie still
at this point
Attach the Egg
guide strip solidly
to the bracket.
Cross conveyor
Egg belt

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4. Maintenance
Under normal conditions the egg-counter should require very little maintenance. In most cases,
if properly installed, the infrared sensors stay relatively clean underneath. If dust or dirt does
tend to build up on the sensors, it should be periodically wiped off with a soft (damp) cloth. The
egg-counter is easily to remove from the bracket by loosening the wing nut and moving the
counter horizontally.
When cleaning the poultry house, care should be taken so the sensors are not damaged by
direct streams of high-pressure water or steam. Before washing down, make sure the strain
relief is tightened securely around the sensor cable. For best results the egg-counter should be
switched on during wash down. This way the enclosure will be heated from the inside and will
not draw moisture.
5. Installation
When switching on the mains, the egg-counter runs a selftest for 2 seconds and then it’s ready
to start counting eggs. The green and red LED at the front will go ON (= orange) during the
selftest and then the red LED goes OFF (the green LED stays ON). If an egg is counted, the
green LED will turn OFF for a short period of time. Simultaneously a pulse is generated on the
output.
The counter also has a standby-input. This checks if the conveyor is switched on. When the
conveyor is standby (switched off), no eggs are counted (LED is orange). If the standby-input is
not being used (not connected), the counter is ready for counting eggs. However, this could
affect the accuracy.
When using the EMEC-12 in combination with ORION
computers, it is possible to connect the counter through
the CAN-bus. Information will be passed on by
communication, for example the amount of counted eggs.
A maximum of 64 egg-counters can be connected
through a CAN-IO-12-6 interface with an ORION. At
every egg-counter the address must be set with SW1. Start at row 1 on the left with number 1,
right number 2, row 2 on the left number 3, etc. Only when switching on the egg-counter, SW1
is read. The CAN-bus can be terminated with the jumper JP1. Place the jumper at the first and
last communication-junction. The first junction is usually the CAN-IO-12-6 interface and the last
junction the egg-counter (or visa-versa).
Address
ON
1 3 5
2 4 6
Address
ON
1 3 5
2 4 6
Address
ON
1 3 5
2 4 6
Address
ON
1 3 5
2 4 6
1
17
33
49
2
18
34
50
3
19
35
51
4
20
36
52
5
21
37
53
6
22
38
54
7
23
39
55
8
24
40
56
9
25
41
57
10
26
42
58
11
27
43
59
12
28
44
60
13
29
45
61
14
30
46
62
15
31
47
63
16
32
48
64
ROW 1 ROW 2 ROW 3
1 2 3 4 5 6

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Sometimes the system on which the egg counters are installed has a different earthing than the
panel. As a result the CAN-Bus communication can be disturbed. In the worst case one or more
involved circuit boards can be damaged. To prevent this, connect the panel and the system with
the egg counters to each other by means of a litzwire.
Emec
CAN-Egg
CAN-IO-12-6
Emec Emec Emec
Panel
Earthing 1
Litzwire
Earthing 2
System
Emec Emec Emec Emec

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6. Wiring diagram
1 2 3 4 5 6 7 8 9 10
ON
135
2 4 6
ON
1 3 52 4 6
ON
1 3 52 4 6
CON2
CON2 CON2
CON3
CON3 CON3
CON1
CON1
CON5
CON1
EGG
EGG EGG
SW1
SW1 SW1
Error
Error Error
TxD
TxD TxD
Power
Power Power
JP1
JP1
JP2
JP1
8..30V
8..30V 8..30V
8..30Vdc
8..30V
8..30V 8..30V
8..30V
8..30V 8..30V
CAN H
CAN H CAN H
CAN H
CAN H CAN H
GND
GND GND
GND
GND
GND GND
GND
GND GND
CAN L
CAN L CAN L
CAN L
CAN L CAN L
STANDBY
STANDBY STANDBY
STANDBY
SCREEN SCREEN
SCREEN SCREEN SCREEN SCREEN
H
L
CAN
EGG
GND
24Vdc
EMEC-12
EMEC-12EMEC-12CAN-IO-12-6
CAN-bus
termination
Via Pulse-output (HDC computers):
CAN-bus
termination
CAN-bus
termination
CAN-bus
termination
Counter nr. 1 Counter nr. n
Via CAN-Bus (Orion computers):
Twisted pair 2x2x0,8mm + screen
2
(groen)
(red)
(green)
(red)
(green)
(red)
At STANDBY the contact should be closed
(= conveyor )switched off