icoms TMA-122 User manual

TMA Sensor
User guide
TMA-122 configuration
Tune up procedure
CONTENTS
CONTENTS 1
TMA USER GUIDE 3
1THEORY OF OPERATION 3
2PRODUCT DESCRIPTION 3
2.1 DELIVERY 3
2.2 LABELS LOCATION 3
2.2.1 Identification label 3
2.2.2 Serial number 3
2.3 SETTINGS 4
3PARAMETERS DESCRIPTION 4
3.1 SENSITIVITY 4
3.2 SELF-MONITORING 4
3.3 RF CHANNEL 4
4CABLING 5
5TECHNICAL FEATURES 5
6WARRANTY 6
7FURTHER INFORMATION 6
7.1 LEGAL NOTIFICATION 6
7.2 VERSION 6
7.3 THE MANUFACTURER: 6
TMA-122 CONFIGURATION – TUNE UP 7
1PARAMETERS DESCRIPTION 7
1.1 DISTANCE “MOVEMENT” 7
1.2 DISTANCE “PRESENCE” 7
1.3 MAXIMUM RELAY HOLD TIME 7
1.4 SENSITIVITY SETTING 7
1.5 SELF-MONITORING 7
1.6 RF CHANNEL 7
2LED INDICATOR 8
2.1 IN NORMAL OPERATION 8
2.2 WHEN THE SELF-MONITORING DETECTS AN ERROR 8
3SETTINGS 8
3.1 ENCODERS 8
3.1.1 Encoder 1 8
3.1.2 Encoder 2 8
4INSTALLATION GUIDE 9
4.1 GENERAL 9
4.2 ASSEMBLY AND MOUNTING 9
4.2.1 Key points 10
4.2.2 Detection zone 11

2
4.3 IMPACT OF THE TILT ANGLE 12
5COUNTING FUNCTION 13
6WHAT TO TRY IF... 13
FIGURE 1 : DELIVERY ............................................................................................................................................3
FIGURE 2 : FRONT FACE FIGURE 3 : ENCODERS & LEDS ..................................................................................... 4
FIGURE 4 : FRONT FACE WITHOUT/WITH STICKER................................................................................................. 4
FIGURE 5 : CONNECTOR WEIPU SP1712/P9 ...........................................................................................................5
FIGURE 6: BRACKET ELEMENTS .............................................................................................................................9
FIGURE 7: BRACKET ASSEMBLY.............................................................................................................................9
FIGURE 8: BRACKET POSITION, PARALLEL TO THE TRAFFIC ....................................................................................9
FIGURE 9 : 45° TILT ANGLE.................................................................................................................................. 10
FIGURE 10: VIEW FROM THE FRONT OF THE SIGNAL HEAD: RADAR IS LEANING ................................................... 10
FIGURE 11: TRAFFIC LIGHT IS ON THE LEFT SIDE FROM THE CARS......................................................................... 10
FIGURE 12: VIEW FROM BEHIND: INSTALLATION SET WHEN THE TRAFFIC LIGHT IS ON THE LEFT SIDE FROM THE
CARS.................................................................................................................................................................. 10
FIGURE 13: PAY ATTENTION TO OBSTACLES........................................................................................................ 11
FIGURE 14: SIDE MOVEMENTS............................................................................................................................ 11
FIGURE 15 : STATIONARY + MOVEMENT ZONE (0-10 M) / MOVEMENT ZONE (0-60 M), H = 4M, 45°TILT ANGLE. ... 11
FIGURE 16: IMPACT OF THE TILT ANGLE .............................................................................................................. 12

3
TMA User guide
The TMA is a microwave sensor for traffic management (traffic data collection, intersection management, warnings,
public lighting management), available in different configurations according to the applications.
1 THEORY OF OPERATION
1. Unpack the unit and check the following items are in the box:
A. Radar with rear side socket
B. Sticker for front face closure
C. Cable with connector
D. Mounting bracket
E. User’s guide and tune up procedure
2. Set the encoders according to your choice for the different parameters (see “Tune up procedure”). For specific
TMA configurations, the setup is made through RS-232. The encoders are then inoperable.
3. Place the sticker on the front face.
4. Assemble the unit with the bracket (see “Tune up procedure”).
5. Place the radar on the field according to configuration and to the specific tune-up procedure.
6. Connect the cable according to title 4, CABLING, p. 5.
7. Power the radar.
8. The LEDs will come on when a vehicle is detected and matches the conditions of the chosen parameters.
2 PRODUCT DESCRIPTION
2.1 DELIVERY
Some configurations may have a different cable and/or bracket. See tune up procedure for more details.
Figure 1 : delivery
2.2 LABELS LOCATION
2.2.1 Identification label
2.2.2 Serial number
Don’t remove
the labels!
A
D
C
B
E

4
2.3 SETTINGS
You can set different parameters through 2 encoders allowing 16 positions each (see Tune Up procedure for further
information).
Figure 2 : front face Figure 3 : encoders & LEDs
Figure 4 : front face without/with sticker
3 PARAMETERS DESCRIPTION
See tune up procedure for specific parameters configuration.
3.1 SENSITIVITY
The factory setting fulfills the requirements of the majority of the installations. If the position or the size of the
detection area is not satisfactory, change first the position of the radar (tilt angle and/or height of installation).
3.2 SELF-MONITORING
The self-monitoring monitors the following parts of the hardware:
- Micro-wave device (VCO)
- Mixers
- Analogic format channel
- Analogic/digital converter
- Micro-processor oscillator
- Code running
When a failure is detected, the relays are permanently actuated and the LEDs flashing show an error code (see
Tune up procedure for further information). The radar is reset after 1 hour.
3.3 RF CHANNEL
This parameter allows to shift the radar’s frequency. If two units face each other, they must be put on different
channels, so they don’t interfere with each other.
Once you have set the
requested radar parameters,
place the sticker on the front
face to guarantee its water
tightness.
ATTENTION: manufacturer’s
warranty does not cover
radars without sticker!

5
4 CABLING
CAUTION : positive security/fail safe relays - contacts given for powered radar.
12-60 VDC – 10-30 VAC
PIN nr Color
Power + 2
relays* (NO/NC)
Power + 1 relay
(NO/NC) + RS232*
Power + 2 relays (NO)
+ RS232*
1
RED
Power ~ (AC), + (DC)
2
BLUE
N/A
N/A
COM relay 2*
3
BLACK
Power ~(AC), - (DC GND)
4
BROWN
NC relay 2*
GND RS232*
GND RS232*
5
WHITE
COM relay 1
COM relay
COM relay 1
6
GREY
NO relay 1
NO relay
NO relay 1
7
YELLOW
NC relay 1
NC relay
NO relay 2*
8
GREEN
COM relay 2*
RX radar (RS232)*
RX radar (RS232)*
9
PINK
NO relay 2*
TX radar (RS232)*
TX radar (RS232)*
* : RS-232 and relay 2 are optional features on specific TMA- configurations.
USER’S OUTPUTS
Resistive load : 30 VAC 0.3A - 30 VDC 0.3A
Inductive load : 30 VAC 0.2A - 30 VDC 0.3A
REMARKS
•Make sure the plug is fully inserted in the socket and the cap is firmly tightened on the socket.
•Please disconnect the radar from power before maintenance intervention.
5 TECHNICAL FEATURES
TMA
Protection level
IP 65
Power supply
12 – 60 VDC - 10 – 30 VAC
Power consumption
See tune up procedure
User output
Inverted relay contact(s) :
Resistive load: 30 VAC 0.3 A – 30 VDC 0.3 A
Inductive load: 30 VAC 0.2 A – 30 VDC 0.3 A
LED on front face
Optional RS-232
Temperature range
-20° C to +60° C
Dimensions
L68 x H199 x D119 mm
Weight
350 gr
Wiring & connectors
Weipu connector
Figure 5 : connector Weipu SP1712/P9

6
6 WARRANTY
Icoms Detections warrants its hardware products to be free from defects in workmanship and materials, under
normal use and service, for a period of two (2) years from the date of dispatch from Icoms Detections premises,
except for the batteries for which a warranty period of six (6) months applies.
If a product does not operate as warranted during the applicable warranty period, Icoms Detections shall, at its
option, either repair the defective unit, or deliver an equivalent product or part to replace the defective item. All
products that are replaced become property of Icoms Detections.
The defective product must be returned to Icoms Detections within the applicable warranty period. The defective
product must be shipped DDP (delivered duty paid) back to Icoms Detections, wrapped in the original or similar
shipping package to ensure that it will not be damaged during transportation. It must be accompanied by
appropriate paperwork (ask first for a Return Material Authorisation number) detailing the nature of the defect
experienced.
Icoms Detections shall be under no liability in respect of any defect arising from normal wear and tear, wilful
damage, negligence, damage due to inappropriate packaging, abnormal working conditions, failure to follow Icoms
Detections instructions (whether oral or in writing), misuse, improper installation, alteration or repair without
Icoms Detections approval.
7 FURTHER INFORMATION
7.1 LEGAL NOTIFICATION
Hereby, Icoms Detections declares that this TMA range of products is in compliance with the requirements and
other relevant provisions of
•Directive 2014/53/EC.
•FCC Part 15B Class A
•IC ICES-003 issue 6
7.2 VERSION
Issue n°
Date
Who
Comment
V 1
01/10/2018
CBA
First release
V 2
13/02/2019
TMA-122/60 m
7.3 THE MANUFACTURER:
Icoms Detections S.A.
Avenue Albert Einstein 11/B ▪ B-1348 Louvain-la-Neuve ▪ BELGIUM
Tel.: [phone] ▪ Fax: [phone]
[e-mail] ▪ www.icomsdetections.com

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TMA-122 configuration – Tune up
The TMA-122 is a microwave sensor for intersection management. The output consists of 2 relays which
can be triggered on movement and/or when vehicles stop at the stop line. The product can count the
vehicles which are passing the stop line.
1 PARAMETERS DESCRIPTION
See further in this document, Title 3, p. 8 for the parameters setting.
1.1 DISTANCE “MOVEMENT”
The TMA-122 detects the movement at a distance of about 60 meter from the installation point. It is possible to
limit this distance to 20 m with encoder 1 (see Title 3.1.1, p. 8). When a movement is detected in this area, the
radar toggles the relay 2. When there is no vehicle or only stopped vehicle(s) (no movement), the relay is not
activated.
1.2 DISTANCE “PRESENCE”
The TMA-122 detects the moving and stopped vehicles at a distance of 10 or 15 m from the installation point.
When a movement is detected in this area, the radar toggles the relay 1 and tracks the vehicle. It holds the relay
activated as long as the vehicle is in the detection area, be the vehicle moving or not.
1.3 MAXIMUM RELAY HOLD TIME
This setting defines the maximum hold time for the relay. After this time, the radar will reset the relay, regardless
of the presence of a vehicle.
1.4 SENSITIVITY SETTING
The factory setting fulfills the requirements of the majority of the installations. If the position or the size of the
detection area is not satisfactory, change first the position of the radar (tilt angle and/or height of installation).
1.5 SELF-MONITORING
The self-monitoring monitors the following parts of the hardware:
- Micro-wave device (VCO)
- Mixers
- Analogic format channel
- Analogic/digital converter
- Micro-processor oscillator
- Code running
When a failure is detected, the relays are permanently actuated and the LEDs flashing show an error code (see
further, title 2.2, p. 8). The radar is reset after 1 hour.
1.6 RF CHANNEL
This parameter allows to shift the radar’s frequency. If two units face each other, they must be put on different
channels, so they don’t interfere with each other.

8
2 LED indicator
2.1 IN NORMAL OPERATION
•The red LED shows the state of the relay 2.
•The green LED shows the state of the relay 1.
2.2 WHEN THE SELF-MONITORING DETECTS AN ERROR
The two LEDs blink quickly (2 or 4 quick flashes followed by a 1 sec break, depending on the detected error).
3 SETTINGS
3.1 ENCODERS
See figures Figure 2and 3, p. 4.
3.1.1 Encoder 1
Besides red LED, at the left facing the housing
Parameter
Value
Unit
Distance “movement”(relay 2)
60
20
m
Distance “presence”(relay 1)
10
15
10
15
m
Max. relay hold time
2
4
8
16
2
4
8
16
2
4
8
16
2
4
8
16
min
Encoder position
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Factory setting =0
3.1.2 Encoder 2
Besides green LED, at the right facing the housing
Parameter
Value
Sensitivity
Normal
Low
Self-monitoring
Active
Inactive
Active
Inactive
RF channel
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
Encoder position
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Factory setting =0
Once you have set the requested radar
parameters, place the sticker on the front face to
guarantee its water tightness.
ATTENTION: manufacturer’s warranty does not
cover radars without sticker!

9
4 INSTALLATION GUIDE
4.1 GENERAL
•Installation’ height: min. 3.5 m - max. 4.5
m
•Offset between pole and the roadside (O):
max. 2 m
•Distance between pole and the stop-line
(D): min. 2 m
4.2 ASSEMBLY AND MOUNTING
Figure 6: bracket elements
1. Set the appropriate parameter values with the encoders and place the sticker!
2. Place the upper right screw to assemble bracket n°2 with
bracket n° 1, with the upper right screw, allowing bracket nr
2 to rotate.
Figure 7: bracket assembly
3. Fix the radar on bracket n°2 (see Figure 6).
4. Once you are behind the radar, place the second screw in
the lower right hole. Don’t tighten it completely. The radar
bracket n°1 must be parallel to the approaching lane. See
orange arrow example on Figure 8.
Figure 8:
bracket
position,
parallel to
the traffic
Bracket n°1
TMA-122
Bracket n°2
Pavement
Pavement

10
5. Incline the radar bracket n°2 in direction to the pavement
until the notch appears (Figure 9).
Figure 9 : 45° tilt angle
6. Firmly tighten the screws.
Figure 10: view from the front of the signal head: radar is leaning
4.2.1 Key points
•The tilt angle must be in direction of the pavement, which means the side where the traffic light is. When you
are in front of the radar: if the traffic light is on the right side of the vehicles, the housing of the radar has to be
inclined to the right (Figure 8 & Figure 10). If the traffic light is on the left side of the vehicles, the housing of
the radar has to be inclined to the left (Figure 11 &Figure 12).
Figure 11: Traffic light is on the left side from the cars
Figure 12: View from behind: installation set when the
traffic light is on the left side from the cars.

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•Pay attention that the signal head or other
obstacle is not obstructing the radar front face
(Figure 13).
Figure 13: pay attention to obstacles
•Vehicles that enter within the stop-line zone
(0-10m) from the side (perpendicular
approach) may not be detected (Figure 14). To
validate a measure, the radar needs:
oto track an approaching movement at
a minimum distance of 8 meters;
oto measure an approaching movement
above 8 km/h during a minimum of
100ms (the minimum speed can vary
within the detection zone).
Figure 14: side movements
4.2.2 Detection zone
Figure 15 : Stationary + movement zone (0-10 m) / movement zone (0-60 m), H = 4m, 45°tilt angle.
This drawing shows the theoretical radar lobe for vehicles approaching around 50 kmh. Different “stop-line” length
zones can be set: 10 or 15 m; the approaching zone length is about 60 m for a car and can be limited to 20m.

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4.3 IMPACT OF THE TILT ANGLE
Set the tilt angle to 10° away from
the standard tilt angle in direction of
the pavement.
Standard tilt angle of 45°
Set the tilt angle to 10° away from
the standard tilt angle in direction of
the traffic lane.
Figure 16: impact of the tilt angle

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5 COUNTING FUNCTION
The relay 1 toggles from [detection] -> [no detection] each time a vehicle passes the stop line.
6 WHAT TO TRY IF...
•The 60 meter range of the “movement only” zone is not reached:
oCheck if the bracket n°1 is well parallel to the traffic lane;
oIf there is a curb in the street, turn slightly the bracket n°1 in direction of the curb to move the detection
zone.
•If Relay 1 stays closed even after the vehicle left the “stop-line” zone:
oCheck that the vehicles stop minimum 2 meters in front of to the radar pole.
oIf the distance (offset) between the pole and the traffic lane is too wide, you can incline slightly the
radar in direction of the pavement/signal side.
To keep in mind :
-The TMA-122 is not designed to detect on more than a single lane road (approaching traffic).
-Receding traffic within the radar lobe has no effect.
-To get the best result in terms of accuracy, the radar bracket (n°1) must be parallel to the approaching traffic
direction.
-The presence (stationary) detection is based on tracking algorithms: the radar needs to detect an approaching
movement combined to a decreasing speed to validate the detection. Therefore, cars already parked during
the installation won’t be detected.
-The radar might be sensitive to pedestrian movement: if a pedestrian crosses the road between the vehicle and
the stop-line, it might interfere. Furthermore, if the radar lobe is partly on the pedestrian path, a pedestrian
moving or stopping within the detection area might also create a false detection status.