Wavetronix Click 200 User manual

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Using the Click 200
The Click 200 module is designed to protect SmartSensors from surges on all power and communication
connections, suppressing power surges for DC power, half-duplex RS-485 communication, and full-duplex RS-232
communication with CTS and RTS.
The Click 200 can also be used to protect any device from surges from the SmartSensor or any other device with
9–28 VDC power or RS-485 or RS-232 communication.
Physical Features
The physical features of the Click 200 include communication and power connections.
TOP
RS-232 DCE RS-485
Surge
OK
Lightning
Surge
Protection
Protected Protected
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Click 200
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Click 200 Lightning Surge Protection
+DC -DC +485 -485 GND
R1-2 B1-2 R3 B3 *3
RS-485PWR RS-232
DTE
RS-485PWR RS-232
DTE
Surge
Supression
Surge
Supression
Surge
Supression
11 5
6 9
6
Jack Pin-Out
1 2
GND
DEVICE TO BE SURGE PROTECTED
-485
+485
+5
3 4 5 6 RS-485 RS-232
DCE
RS-232
Connector
RS-485
Connector
T-Bus
Connector RS-232 Connector
RS-485 Connector
Power Connector
RS-232 Connector
RS-485 Connector
Power Connector
FRONT
0520

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Communication Ports
There are six screw terminal blocks on the Click 200, each containing four screw terminals. The three blocks on
the top of the module are protected (check for the PROTECTED label to be sure you have the correct side) and
the three on the bottom of the module are unprotected. These screw terminal blocks are for wiring power, ground,
and communication (RS-232 and RS-485) between the Click 200 and the sensor (or the sensor block, which is in
turn connected to the sensor). They will be discussed in greater detail in the Installation section of this document.
There are also two other ways to wire RS-485. The back of the Click 200 features a 5-position connector that
plugs into a T-bus connector and provides power and RS-485 communication to the device. It also passes that RS-
485 communication to all other devices on the T-bus. In addition, the faceplate of the Click 200 features an RJ-11
jack for RS-485 communication. This jack can be used to connect a jumper cable from the Click 200 to contact
closure cards or to another device that uses RS-485 communication.
The front of the device also features a DB-9 connector for RS-232 communication.
Note. The Click 200 does not convert RS-232 to RS-485 or vice versa. Connecting to the DB-9 connector will
allow you to communicate with the sensor using RS-232 protocol, but not using RS-485 protocol. You will also not
be able to use the DB-9 connector to communicate with other devices over the T-bus. If you need to convert RS-
232 to RS-485, use another Click module such as the Click 304.
A pinout diagram is provided on each individual unit as a reference in the field.
Note. Certain newer Click 200 devices also have an LED on the faceplate. This LED, if present, lights up to
indicate power is present and surge protection is okay. If the light is o, either there is no power to the device or
surge protection is currently not ready.
Power Connections
The Click 200 receives power from the T-bus via the T-bus connection on the back of the module. Additionally,
if the power supply is not wired directly into the T-bus, power can be connected to the +DC and -DC screw
terminals on the UNPROTECTED side of the module. In this case, the Click 200 will then pass power through the
T-bus to all other devices connected to it.
Installation
To install the Click 200 in a pole-mount cabinet, simply mount it on the DIN rail and wire the service end of the
sensor cable into the PROTECTED side (see the section on wiring for how to do this).
In many installations, the pole-mount cabinet is also connected to a main trac cabinet via an underground
homerun cable. To protect the trac cabinet, a second surge device is required.
Note. If any part of the cable goes underground, it’s necessary to have a Click 200 on each end of the cable to
protect the trac cabinet and pole-mount box from electrical surges.
Follow the steps below to include surge protection using Click 200 devices (see the figure below):
1. Install a Click 200 device in a pole-mount box on the same pole as the sensor being protected.
2. Install another Click 200 in the main trac cabinet.
3. Connect the cable from the sensor to the PROTECTED side of the Click 200 in the pole-mount cabinet. The
SmartSensor cable should be kept as short as possible.
4. Connect a cable from the UNPROTECTED side of the Click 200 on the pole to the UNPROTECTED side of the
Click 200 in the main trac cabinet (see the section on wiring for how to do this).

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Smart
Sensor
120
VAC
Main Trac Cabinet
Pole
Mount
Trac
Cabinet
Both ends of the homerun
cable connect to the
UNPROTECTED side of
the surge modules.
Wiring the Cable
The figure below shows how to wire the two sides of the Click 200. The UNPROTECTED side of the Click 200 is
not surge protected and is designed to be connected to the source(s) from which power surges may come.
Note. It is important to note that there are two dierent cables that could be used with the Click 200. All SmartSensor
HD and V sensors are sold with the 8-conductor cable. Older installations, however, may still have the 9-conductor
cable, often just called the SmartSensor cable. Dierences in the wiring of the 9-conductor cable are noted below.
Note. If you have a 9-conductor cable, there is a ground (gray) wire and a total of three drains; these can all be
wired into any of the GND terminals. Also, the +485 wire will not have a blue stripe.
+DC GNDGNDGND
-485 GNDGND+485
RTS RDTDCTS
GND/-DC (black)
+DC (red)
+485 (striped)
-485 (blue)
CTS (brown)
RTS (orange)
Drain
TD (yellow)
RD (purple) -DC (black)
+DC (red)
+485 (white)
-485 (blue)
CTS (brown)
RTS (orange)
Drain
TD (yellow)
RD (purple)
RTS RDTDCTS
-485 GNDGND+485
+DC GNDGND-DC
Wiring to Earth Ground
All Click 200 devices should be mounted on a DIN rail that is connected to earth ground, either through an earth-
grounded chassis or a 16 AWG or larger grounding wire attached to a 7-foot grounding rod. Follow the steps
below to correctly wire to earth ground:
1. Connect the grounding wire from either the DIN rail or a GND screw terminal on the UNPROTECTED side of
the Click 200 to the lug bolt on the inside of the pole-mount box.

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© 2022 Wavetronix LLC. All rights reserved. Protected in the US by patents viewable at www.wavetronix.com/en/legal. Protected by Canadian Patent Nos. 2461411; 2434756; 2512689; and European Patent Nos. 1435036; 1438702;
1611458. Other US and international patents pending. Wavetronix, SmartSensor, Click, Command and all associated logos are trademarks of Wavetronix LLC. All other product or brand names as they appear are trademarks or
registered trademarks of their respective holders. Product specifications are subject to change without notice. This material is provided for informational purposes only; Wavetronix assumes no liability related to its use.
WX-501-0520 • 01.22
2. Connect another grounding wire from the exterior lug bolt to earth ground.
Verify Connections to Earth Ground
If there is not a good connection to ground, the Click 200 cards will not protect any equipment. After all
connections have been wired, verify that a good connection is made between the Click 200 cards and earth
ground by following the steps below:
1. Use a multimeter that is able to measure resistance in increments of less than one ohm.
2. Connect one probe to the drain on the unprotected side of the Click 200 (see Figure 11.5); connect the other
probe on the multimeter to earth ground.
3. The resistance should measure less than one ohm. If not, the most likely problem is the DIN rail is not making
connection to earth ground through the chassis of the cabinet.
The Click 200 cards have a connector on the bottom that snaps on the DIN rail that provides the connection to
earth ground. If the DIN rail is not making a good connection to earth ground, connect a 16 AWG (or larger) wire to
the DIN rail with a bolt and run that wire directly to an earth ground terminal.
Verify Communication
Follow the steps below to verify the communication connections:
1. Check the RS-232 connection by plugging a straight-through RS-232 cable between a laptop and the DB-9
connector on the Click 200.
2. Launch SmartSensor Manager and connect via a serial connection. If there are problems connecting, verify
that the cabling is set up correctly.
3. Check the RS-485 connection to the SmartSensor using a Click 304 RS-232 to RS-485 converter. Attach the
Click 304 to the T-bus (see knowledge base article 0513 T-bus Basics for more on T-buses) and then plug a
straight-through RS-232 cable between a laptop and the DB-9 connector on the faceplate of the Click 304.
4. Launch SmartSensor Manager and connect via a serial connection. If there are problems connecting, verify
that the cabling is set up correctly.
Once communication and ground connections have been verified, the installation of the Click 200 is complete.