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Part No. 2110, Monitoring System

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Measures vibration, speed, temperature and other process variables in any combination
The 2110 provides around-the-clock monitoring of machinery and processing equipment and warns operating personnel when predetermined limits have been exceeded. Individual bar graph displays give continuous indications of each channel allowing the operator to view the vibration, speed, or other process variable levels at a glance. LED's on the individual modules energize to indicate alarm, trip and pick-up status.
The unit features high density operation-up to 248 channels of process variable monitoring. Modular construction insures economical system expansion, without the need for field programming or returning the system to the factory for modification.
The system combines the proven reliability of analog signal conditioning with the ease of use and dynamic display capabilities of a microprocessor-based system.
Along with sophisticated hardware and software, the 2110 comes with another valuable feature-Vitec applications support. Our experienced Application Engineers are available to help you custom tailor a system to fit your individual needs or simply answer your vibration questions. A system is only as good as the company that backs it.

Each 2110 Monitoring System is custom-configured to meet the Customer’s exact requirements. Please contact Vitec Customer Service to have one of our Application Engineers help configure your system and supply a quotation.

Specifications  · Physical Characteristics  · Material Characteristics  · Electrical Characteristics  · Mounting Rack  · Control and Power Supply Module  · Signal Conditioning Module  · Digital Speed Module  · Relay Module  · Key Phase Module  · Blank Module  · System Flexibility  · Features



Axial position (noncontact probes)
Case expansion (extended range displacement probes or LVDT)

Differential expansion (extended range displacement probes or LVDT)

Eccentricity (noncontact probes)

Mega watt level (mega watt to mVDC transducer)

Pressure (pressure transducers, voltage or current output)

Process variables (0 to 10 VDC or 4 to 20 mA DC transducers)

Speed (noncontact probe or speed transducers)

Temperature (RTD's and thermocouples)

Thrust (noncontact probes)

Valve position (RVDT)

Vibration (acceleration transducers, velocity transducers and noncontact probes)


Acceleration (g or m/sec2)
Displacement (mils or µm)

Mega watt level (MW)

Pressure (PSI)

Speed (RPM)

Temperature (F or C)

Valve position (%)

Velocity (in/sec or mm/sec)


  1. 0.0 to higher number, e.g., to 1.0, to 9,000
  2. Low to higher number, e.g;., 1.0 to 50.0, 500 to 10,000
  3. Negative low to positive number, e.g., -2.0 to 8.0, -40 to 40




Module Sizes

Control Module: 4" x 6 7/8"
Monitoring/Relay Module: 2" x 6 7/8"

Frequency Response

1.0 to 1,500 Hz ±5% with the 4060 acceleration transducer input
1.0 to 600 Hz ±5% with the 4064 acceleration transducer input

1.7 to 6,000 Hz ±10% with the 4073 acceleration transducer input

12 to 1,000 Hz ±10% with the 4034 velocity transducer input

2.1 to 3,500 Hz ±5% with the 4071 acceleration transducer input

20 to 1,500 Hz ±5% with the 4033-400 & 4033-500 velocity transducer input

DC to 10,000 Hz ±5% with the noncontact probe



Temperature Range

-100 to 400 F for the 4060 acceleration transducer
-100 to 550 F for the 4064 acceleration transducer

-20 to 400 F for the 4033-400 velocity transducer

-20 to 500 F for the 4033-500 velocity transducer

-30 to 160 F for the 4034 velocity transducer

32 to 122 F for the 2110 electronics

-58 to 180 F for the 4071 acceleration transducer

-65 to 250 F for the 4073 acceleration transducer

Relay Quantity

1 alarm and 1 trip relay per input channel, up to 496 relays
2 standard - transducer malfunction and power loss

Number of Relay Setpoints

8 to 496 - one alarm and one trip per input channel

Function of Relay Setpoints

Alarm and trip. both field adjustable

Range of Setpoint Limits

0 to 100% of full scale

Relay Configuration

Alarm and trip - normally energized or normally de-energized and latching or nonlatching, Customer specified
Power loss - normally energized and nonlatching

Transducer malfunction - normally energized or normally de-energized, Customer specified, and nonlatching

Start-up Limit

2 to 1 Attenuation of alarm and trip setpoints

Relay Time Delay

1 to 15 Seconds, individually adjustable per alarm and trip relay

Relay Inhibit

Individual inhibit switch for each relay in the relay module

First Out

Indicates the channel which was first to alarm or trip when multiple channels have exceeded their limits

System Interrogation

Touch control keypad allows for accessing parameters for each channel including monitor point identification, digital display of measured value, alarm and trip limits, system reset, first-out reset and gap

Physical Characteristics


19 x 8.75 x 14 Inches for each master or slave rack


15 to 25 Pounds per rack, depending on number and type of modules


Mounting: 17.22 x 8.06 Inches panel cutout, four 0.25 inch-20 UNC, 8.16 x 5.75 inches bolt pattern

Environmental Rating

NEMA 1 with NEMA 4 and NEMA 12 enclosures optional

Calibration Requirements


Control Module / Power Supply Front Panel

32 Character backlit LCD display, 16 button lexan keypad, orange LED for transducer malfunction, yellow LED for alarm, 2 red LED's for trip and first out, BNC connector for AC signal output, 4 knurled and slotted screws for module mounting

Signal Conditioning Module Front Panel

Four 50 segment LCD bargraphs with blinking segments for alarm and trip setpoint levels, LCD indication for OK (transducer malfunction), A (alarm) and T (trip) for each channel, yellow LED for alarm, red LED for trip, green LED for OK, eight 20 turn potentiometers

Speed Module Front Panel

4 Digit LED display, toggle switch for selecting alarm, trip or running speed, yellow LED for alarm, red LED for trip, green LED for phase lock, 2 knurled and slotted screws for module mounting

Relay Module Front Panel

Six 20 turn potentiometers for time delay adjustment, 6 DIP switches for relay inhibit, time delay potentiometers and inhibit switch cover, 2 knurled and slotted screws for module mounting

Key Phase Module Front Panel

4 BNC connectors, engraved panel for BNC designations, 2 knurled and slotted screws for module mounting

Mounting Rack Back Panel

Master: Seven 16 point terminal blocks, six 14 point terminal blocks, one 4 point terminal block, one 2 point terminal block, two 16 pin DIP sockets
Slave: Eight 16 point terminal blocks, eight 14 point terminal blocks, one 4 point terminal block, two 16 pin DIP sockets

Material Characteristics

2110 Material

Epoxy coated aluminum front panels, zinc plated steel rack, G-10 epo-glass rear terminal board, LED and LCD displays, metal and plastic switches, connectors and terminal blocks

Transducer Material

Anodized aluminum for the 4034, 4033-400 and 4033-500 velocity transducers Stainless steel for the 4060, 4064, 4071 and 4073 acceleration transducer and noncontact probes

Electrical Characteristics

Supply Voltage

120 VAC, 50/60 Hz or 105 to 150 VDC, optional

Relay Type and Rating

Dry contact, single pole double throw, 5 A at 150 VDC non inductive

Transducer Input

1,050 pC/g with the 4060 and 4064 acceleration transducers
100 mV/g with the 4071 and 4073 acceleration transducers

200 mV/in/sec with the 4033-400 and 4033-500 velocity transducers

200 mV/mil with the noncontact probes

460 mV/in/sec with the 4034 velocity transducer

Analog Output

0 to 5 VDC or 4 to 20 mA DC

AC Signal Output

100 mV/g with the acceleration transducer input
100 mV/in/sec with the velocity transducer input

200 mV/mil with the noncontact probes

Mounting Rack
The first rack in each system is referred to as the "Master" rack, as it will typically house the control module/power supply and up to six additional monitoring modules. Additional mounting racks are referred to as "Slave" racks, and are capable of housing up to eight monitoring modules, or specialty modules, in any combination.

Control and Power Supply Module
The 2110 Control Module/Power Supply is a double-wide module located in positions one and two of the master rack. This module is capable of operating up to 248 channels of continuous monitoring. The touch control keypad allows for system interrogation, providing such features as monitor point identification, digital display of measured values, alarm and trip limit verification, system reset, and gap.
LED indications for malfunctioning pickups, alarm warning and trip warning conditions, and first-out indications are located on the front panel, providing the operator a quick visual indication of the status of the channel being interrogated. A buffered AC signal is brought to a single BNC connector, allowing analyzers or other devices to be interfaced easily.
By selecting a channel via the keypad, the proportional signal is automatically brought to the output jack Channels can be selected either by the "next" or "previous" keys, or by the lettered/numbered keys-you cannot make a wrong keystroke.

Signal Conditioning Module
High-Density Monitoring Modules
Plug in modules with bar graph displays have continuous signal conditioning for up to four channels of input per two inch wide module. In addition to displaying the level of the measured channel, the bar graph display indicates both the alarm and trip setpoint for each of the channels through the use of blinking segments in the bar graph. Monitoring points which require four setpoints use two module channels per individual input. In general, there are five different types of signal conditioning modules. Type "PV-1" modules monitor four separate transducers with one positive alarm and one positive trip setpoint per transducer. Type "PV-2" modules monitor two separate transducers with one positive and one negative alarm and trip setpoint per transducer. Type "PV-3" modules have the same setpoint configuration as the "PV-2" modules but utilize a dual voting system for each point of monitoring. Type "PV-4" modules have channels A & B configured per Type "PV-1" and channels C & D configured per Type "PV-2". Type "PV-5" modules monitor four separate transducers with one negative alarm and one positive trip setpoint per channel. Other modules can be custom tailored to specific application requirements

Digital Speed Module
Digital Speed Module

Input: Non-Contact Probes

Analog Output: 0-5 VDC, standard or 4-20mADC, optional

General: This type of module provides a single channel of speed monitoring. Digital circuitry is used to allow monitoring accuracies of± one RPM.

Display: A digital LED display is used to give a continuous indication of speed in RPM.

Setpoints: Two individually adjustable setpoints are available for alarm and trip purposes. Moving the toggle switch to the alarm or trip position displays the alarm or trip setpoint on the digital display.

Module size: 2" wide x 6-7/8" high, uses one module space.

Relay Module
Relay Module

Each relay module contains six (6) relays to be used for alarm or trip purposes.

Rating: Each relay is a SPDT relay rated at 5 amps at 150VDC non-inductive. However, the relays can also be configured as three (3) DPDT relays.

Time Delay: Each relay has an individual, front panel accessible time delay adjustment that can be adjusted from one (1) to fifteen (15) seconds.

Relay Inhibit: Each relay can be inhibited individually by a front panel accessible slide switch behind the relay nameplate. Each relay module can also be inhibited by a customer supplied switch closure connected to the rear terminals.

Relay State: Each relay can be set individually to be latching or non-latching, failsafe or non- failsafe. Each relay provides a common, normally open and normally closed contact connection on the rear terminal strip.

Module Size: 2" wide x 6-7/8" high, uses one module space.

Also available with indicating LED's.

Key Phase Module
Key Phase Module

Input: Non-contact probes

Analog Output: None

Display: None. This is a special four channel module that provides signal conditioning for key phase application. Each module provides four BNC jacks that provide a pulsed output for each of up to four different key phase channels.

Operation: The key phase module provides a 10-volt square wave output signal upon sensing of a slot in the shaft. The circuitry of this module exceeds the API specifications by allowing the input signal circuit to be adjusted for various depths of slots.

Module Size: 2" wide x 6-7/8"high, uses one module space.

Blank Module
Blank Panel

Blank panel covers unused mounting rack spaces.

System Flexibility
The high-density monitoring modules are built using four simple, reliable components-the universal board with four-channel LCD display and dual signal conditioning cards. Measured values are continuously displayed on the four-channel LCD. Setpoint levels appear as blinking segments, on each bar graph display. Modules are custom-tailored to fit your precise requirements-there is no operator set-up or programming necessary.
Across the top of each module is a row of color-coded LEDs which indicate the status of that module. If an alarm or trip level has been exceeded, the appropriate LED will energize. Located below each bar graph is an "OK" indication and an "A" or "T ". that indicates that channels' status within the module.
Behind each engraved name tag is a row of adjustable pots. The pots allow the operator to independently adjust the alarm and trip setpoint levels for each of the channels. Exact setpoint levels are digitally shown on the control module display; and as a blinking segment on that particular channel bar graph.

  • Economical cost per channel with high quality protection
  • Single AC output with ability to select up to 248 channels
  • Compact design - 32 channels per 19 inch rack
  • Local or computer-directed system capability
  • Full time alarm, trip and pick-up status indication
  • One low power, power supply per 248 channels
  • Standardized design-pre-engineered for cost-effective addition of options
  • Can be interfaced with existing transducers for cost-effective retrofit of obsolete systems
  • Modular design for easy expansion
  • Choice of 0-5 VDC or 4-20 mADC analog output
  • User-friendly touch-pad for system interrogation
  • Easily interfaced with analyzers - computer interface option available
  • No operator setup or programming is required


2110-Monitoring System Description
(PDF, 27KB)

2110-Specification Options
(PDF, 157KB)

2110-Monitor Brochure
(PDF, 1688KB)

History of Vitec and the 2110
(PDF, 48KB)

TP & M 2110 Monitoring Systems
(PDF, 71KB)