CTC Union JB330 Series User manual

JB330 Series Switch BoxJB330 Series Switch Box
12 Triaxial Inputs12 Triaxial Inputs
Product ManualProduct Manual

2
• Introduction...................................................................3
• Product Description...........................................................3
• Product Dimensions...........................................................4
• Mounting Instructions .........................................................5
• Conduit Entry .................................................................6
• Grounding ....................................................................7
• Sensor Installation ............................................................9
• Post-Installation Testing..................................................... 12
• Maintenance ................................................................ 13
• Warranty & Refund .......................................................... 14
T  C

3
I
CTC switch box solutions allow for the monitoring of remotely-mounted vibration
sensors, which would otherwise be restricted to human access due to safety
considerations.
JB330 Series Switch Box Overview: Four to 12 triaxial sensor inputs (12 to 36
measurement channel outputs), stainless steel slope top enclosure
The JB330 Switch Box is a common cable termination point for bringing
compatible cables for triaxial sensors into a switch box for routine data collection
with portable data collectors. JB series enclosures are designed to have field-
input cabling installed behind the board. A flip-down panel allows the user to wire
connections on location. The JB series also features an IEPE bias indicator light
built into the box itself, which can be used to indicate errors in the field wiring or
the sensor.
Rated for NEMA 4X (IP66), the JB330 is resistant to hose-directed fluid
and corrosion. The box can also withstand harsh environments, including
temperatures ranging from -58°F to 180°F (-50°C to 82°C). A key latch is installed
on the door, allowing the box to be sealed from the elements when not in use.
If a continuous output application is desired, that can be easily accomplished by
purchasing the optional CTC accessory “T” plug, part number JB933-1A.

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P D
Measurement
Location Card
Data Collector
Access (BNC)
Switch
Quick
Connect
Option
Screw
Terminal
Option
Data Collector
Access (4 pin)
Input Terminal Strip Options
Bias
Indicator
Light
Figure 1. Dimensions
Figure 2. Diagram
Front View Side View

5
M I
Note: If you have purchased a switch box without cable entries provided, you
should add your own entry prior to mounting the modular switch box. CTC does
not recommend drilling holes in the top of the enclosure due to access and
moisture concerns.
Mounting
Holes
0.31 in./7.95 mm
Figure 3. Sloped Top Vibration Switch Box Rear View

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C E
If you have purchased a switch box without cable entries provided, you should
add your own entry prior to mounting the enclosure. CTC does not recommend
putting holes in the top of enclosures as it will cause restricted access to the
wire termination connection points and also allow possible moisture ingress.
Note: To prevent a buildup of condensation inside the enclosure, provide drainage
by drilling a hole in the lowest point of the conduit.
Correct
Figure 4. Conduit Entry for Switch Box
Drill Drain
Hole Here

7
G
Ensure the shield ground wire on the JB330 Series Switch Box is grounded to
earth ground.
A. Mounting to Earth Ground
When mounting JB330 Series Switch Boxes to earth ground (such as an I-Beam),
no additional steps are necessary, as the enclosure is grounded internally.
Figure 5. Switch Box (JB330) Earth Ground

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G
B. Mounting to Non-Grounded Structure
When mounting the switch box to a non-grounded structure, ensure the shield
ground wire or customer-supplied ground wire is tied to a source of earth ground.
Figure 6. Ground Wire Placement

9
S I
Installation of Sensors/Signal Input Cable
1. Feed blunt-cut end through the cable entry at the bottom of the enclosure.
Note: It is recommended that cables are marked on both ends.
For cord grip cable entry, take off the cord grip cover with bushing and run cable
through it then into the enclosure, hand-tighten cord grip cover to base to prevent
damage of cord grip.
1. Strip outer jacket of cable back 1¼ in. and remove all of the shielding.
2. Separate the internal wires from the shield.
3. Strip red, green, white, and black insulation back ¼ in.
Figure 8. Bottom View with
Cord Grips Installed
Figure 7. Front View
Figure 9. Stripped Wire
(-)
Shield / Drain Wire
(+) Channel Y
(+) Channel X
(+) Channel Z

10
Figure 10. Field Wiring for Four-Conductor Triaxial Sensor Inputs
X Y
Z
-
GND
SENSOR #1 SENSOR #2
X Y
Z
-
GND
SENSOR #3
X Y
Z
-
GND
SENSOR #4
X Y
Z
-
GND
SENSOR #5
X Y
Z
-
GND
X Y
Z
-
GND
SENSOR #6
X Y
Z
-
GND
SENSOR #7
X Y
Z
-
GND
SENSOR #8
X Y
Z
-
GND
SENSOR #9 SENSOR #10
X Y
Z
-
GND
SENSOR #11
X Y
Z
-
GND
SENSOR #12
X Y
Z
-
GND
Sensor Inputs
Green = Positive X Axis
Red = Positive Y Axis
White = Positive Z Axis
Black = Common
Grey = Shield (Ground)
Inputs
Inputs
S I
4. Locate the appropriate plug (identified by channel number), remove it, and
install the wires using a small flathead screwdriver. Push plug back into location.
Orientation is as follows:
a. Green insulated conductor wire is connected to Channel X.
b. Red insulated conductor wire is connected to Channel Y.
c. White insulated conductor wire is connected to Channel Z.
d. Black insulated conductor wire is connected to (-).
e. Shield drain wire is connected to ground (GND).
X Y
Z
-
GND
SENSOR #1 SENSOR #2
X Y
Z
-
GND
SENSOR #3
X Y
Z
-
GND
SENSOR #4
X Y
Z
-
GND
SENSOR #5
X Y
Z
-
GND
X Y
Z
-
GND
SENSOR #6
X Y
Z
-
GND
SENSOR #7
X Y
Z
-
GND
SENSOR #8
X Y
Z
-
GND
SENSOR #9 SENSOR #10
X Y
Z
-
GND
SENSOR #11
X Y
Z
-
GND
SENSOR #12
X Y
Z
-
GND
Sensor Inputs
Green = Positive X Axis
Red = Positive Y Axis
White = Positive Z Axis
Black = Common
Grey = Shield (Ground)
Inputs

11
S I
5. Insert plug into the appropriate PC board connector and double check to ensure
that the cable is going to the correct channel.
Note: If your application requires continuous output, the wiring configuration for
the JB330 is slightly modified.
Figure 11. Field Wiring for Continuous Output
6. Mark the Measurement Location Card located on the inside front cover with a
description of each measurement location.
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
INPUT #1 INPUT #2 INPUT #3 INPUT #4
INPUT #5 INPUT #6 INPUT #7 INPUT #8
INPUT #9 INPUT #10 INPUT #11 INPUT #12
OUTPUT #1 OUTPUT #2 OUTPUT #3 OUTPUT #4
OUTPUT #5 OUTPUT #6 OUTPUT #7 OUTPUT #8
OUTPUT #9 OUTPUT #10 OUTPUT #11
OUTPUT #12
Sensor Inputs
Green = Positive X Axis
Red = Positive Y Axis
White = Positive Z Axis
Black = Common
Grey = Shield (Ground)
Inputs
Inputs
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
X Y
Z
-
GND
INPUT #1 INPUT #2 INPUT #3 INPUT #4
INPUT #5 INPUT #6 INPUT #7 INPUT #8
INPUT #9 INPUT #10 INPUT #11 INPUT #12
OUTPUT #1 OUTPUT #2 OUTPUT #3 OUTPUT #4
OUTPUT #5 OUTPUT #6 OUTPUT #7 OUTPUT #8
OUTPUT #9 OUTPUT #10 OUTPUT #11 OUTPUT #12
Sensor Inputs
Green = Positive X Axis
Red = Positive Y Axis
White = Positive Z Axis
Black = Common
Grey = Shield (Ground)
Inputs

12
PI T
The TM1018 Accelerometer Verification Meter can be used to verify cable
conductivity, sensor location and proper wiring connections. The Verification
Meter will indicate if the sensor, cable and/or junction box is in working condition.
It will also confirm bias voltage of the accelerometer, which will inform you of the
operation of the internal accelerometer amplifier.
Testing Method:
1. Utilizing two personnel, Person A will be located at the switch box, while Person
B will be located at the measurement location.
2. Once positioned, Person A will connect the TM1018 to the data collector output
on the switch box and turn the Channel Selector to the channel that corresponds
to the referenced measurement. Person A should observe a “NORMAL” LED
reading.
3. Person B disconnects the cable from the accelerometer, and the TM1018 should
respond with an “OPEN” LED. Reconnect the cable to the accelerometer, and
the TM1018 should respond with a “NORMAL” LED.
4. Repeat for each measurement location to verify that accelerometer location is
properly identified at the switch box.
Figure 12. TM1018 Accelerometer Verication Meter

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PI T
The following LED Readout indicates the circuit integrity:
1. Green LED: Normal. Indicates proper connection and an output bias will be given,
indicating the health of the sensor (4 – 16 V indicates a healthy accelerometer).
2. Yellow LED: Open Circuit. Indicates one of the following:
a. Cable connector is not connected to accelerometer.
b. Cable is open circuit (broken or not connected at one end).
c. Accelerometer is not functioning correctly.
3. Red LED: Short Circuit. Indicates one of the following:
a. Water or contamination in the connector.
b. Reverse wiring ((+) and (-) leads are reversed) at terminal block inputs of the
switch box.
c. Wires in switch box or cable connector (+) & (-) are touching.
M
Once the system has been installed, it requires minimal maintenance. Basic
checks to ensure system integrity should be made periodically.
Visual inspection should include examinations for the following:
1. No visible electrical burns or smoke inside the enclosure.
2. Enclosure hinges are free from rust and securely latched.
3. No moisture or condensation is present inside the enclosure.

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W  R
Warranty
All CTC products are backed by our unconditional lifetime warranty. If any CTC
product should ever fail, we will repair or replace it at no charge.
Refund
All stock products can be returned for a 25% restocking fee if returned in new
condition within 90 days of shipment. Stock products qualify for free cancellation
if your order is cancelled within 24 hours of purchase. Built-to-order products
qualify for a 50% refund if returned in new condition within 90 days of shipment.
Custom products are quoted and built specifically to the requirements of the
customer, which may include completely custom product designs or private
labeled versions of standard products for OEM customers. Custom products
ordered are non-cancellable, non-returnable and non-refundable.
M-J3-12/Rev B