CTC Union SB262 Series Manual de usuario

SB262 Series Switch BoxSB262 Series Switch Box

12 Sensor Inputs12 Sensor Inputs

Product ManualProduct Manual

• Introduction...................................................................3

• Product Description...........................................................3

• Product Dimensions and Diagram .............................................4

• Mounting Instructions .........................................................5

• Conduit Entry .................................................................6

• Grounding ....................................................................7

• Installation of Sensor/Signal Input Cable.......................................8

• Post-Installation Testing..................................................... 11

• Warranty and Return Information ............................................ 13

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CTC junction box solutions allow for the monitoring of remotely-mounted

vibration sensors, which would be otherwise restricted to human access due to

safety considerations.

SB262 Series Switch Box Overview: Four to 12 sensor inputs (four to 12

measurement channel outputs), stainless steel slope top enclosure

The SB262 Series Switch Box is a common cable termination point for bringing

sensor cables into a switch box for routine data collection with portable data

collectors.

The SB262 Switch Box is used to convert the two-conductor input wiring of up to

12 remotely-installed sensors, proximity probes and/or temperature probes to a

switched BNC and a switched two-pin MIL spec connector for data collection.

Input wiring from each sensor is connected to the outputs via quick-connect or

screw terminal blocks. Each terminal block includes input for positive, common

and shield. Additionally, the SB262 Switch Box can be equipped with a multi-pin

connector for interface with online systems for continuous live readings. This

connection requires a JB905-1A or -2A plug.

The panel board located within the enclosure has a centrally-located switch that

determines that panel’s sensor output to the BNC and two-pin MIL connectors.

Measurement location cards are located on the inside of the enclosure door to

identify each channel.

Rated for NEMA 4X (IP66), the SB262 can withstand harsh environments

including temperatures ranging from -58°F to 180°F (-50°C to 82°C). The box is

also resistant to hose-directed fluid and corrosion. A twist lock is installed on

the door allowing the box to be sealed from the elements when not in use.

Note: The SB262 stainless steel switch box is internally grounded.

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Measurement

Location Card

Two-pin MIL

Output Connector

Switch

Optional Online

Expansion Jack

BNC

Output

Connector

Figure 1. Dimensions

Figure 2. Diagram

Front View Side View

Terminal Strip

Inputs

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SB262 Series Switch Boxes are supplied with integral mounting brackets

attached.

Note: If you have purchased a switch box without cable entries provided, you

should add your own entry prior to mounting the switch box.

Mounting

Holes

0.31 in./7.95 mm

Figure 3. Mounting Bracket Placement

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If you are running conduit to your enclosure, ensure the conduit cable entry is

located at the bottom of the enclosure when mounted.

Note: To ensure moisture will not flow into the enclosure, a hole should be drilled

at the lowest point in the conduit to provide drainage for any moisture.

Correct

Figure 4. Conduit Entry for Switch Box

Drill Drain

Hole Here

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Ensure the shield ground wire on the SB262 Series Switch Boxes is grounded to

earth ground.

A. Mounting to Earth Ground

When mounting SB262 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 (SB262) Earth Ground

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.

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Installation of Sensors/Signal Input Cable

1. Feed blunt-cut end through the cable entry at the bottom of the switch box.

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

into enclosure, hand-tighten cord grip cover to base to prevent damage of cord

grip.

Figure 6. Ground Wire Placement

1. Strip outer jacket of cable back 1¼ in. and remove all of the shielding.

2. Separate the internal wires from the shield and twist the shield.

3. Strip red and black insulation back ¼ in.

Figure 8. Bottom View

Figure 7. Front View

Figure 9. Stripped Wire

(-)

Shield / Drain Wire

(+)

4. Locate the appropriate plug, identified by channel number, remove the plug and

install the wires using a small flathead screwdriver. Push Plug back into location.

Orientation is as follows:

a. Red insulated conductor wire is connected to (+).

b. Black insulated conductor wire is connected to (-).

c. Shield drain wire is connected to ground (GND).

d. Depress selected position button to open terminal for respective wire (may

require a mini athead screwdriver).

5. Insert plug into the appropriate PC board connector and double check to ensure

that the cable is going to the correct channel.

6. Mark the Measurement Location Card located on the inside front cover with a

description of each measurement location.

Figure 10. Field Wiring for Two-Conductor Sensor Inputs

CH1CH2CH3CH4CH5CH6

CH7CH8CH9CH10CH11CH12

GND

10+

10-

11+

11-

12+

12-

Optional

Remote

Output

Optional

Remote

Output

SENSOR #1

SENSOR #2

SENSOR #3

SENSOR #4

SENSOR #5SENSOR #6

SENSOR #7

SENSOR #8

SENSOR #9

SENSOR #10

SENSOR #11

SENSOR #12

Sensor Inputs

Red = Positive

Black = Common

Grey = Shield (Ground)

Inputs Inputs

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