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P M A C

 

3 0 0 0

 

Page

 

20

 

Sensor

 

Connection

 

The

 

PMAC

 

3000

 

has

 

a

 

single

 

strain

 

gage

 

full

 

bridge

 

sensor

 

input.

  

See

 

Figure

 

1.

  

The

 

sensor

 

input

 

range

 

is

 

factory

 

set

 

to

 

+/

‐

4.5mV/V

 

nominal.

  

Minimum

 

bridge

 

impedance

 

is

 

120

 

ohms.

  

Maximum

 

bridge

 

impedance

 

is

 

2000

 

ohms.

  

Bridge

 

impedances

 

greater

 

than

 

2000

 

ohms

 

may

 

trigger

 

the

 

Check

 

Sensor

 

warning,

 

meaning

 

that

 

the

 

PMAC

 

3000

 

does

 

not

 

sense

 

the

 

sensor

 

present.

  

In

 

this

 

case,

 

a

 

parallel

 

resistor

 

across

 

the

 

excitation

 

leads

 

can

 

be

 

used

 

to

 

bring

 

the

 

impedance

 

under

 

2000

 

ohms.

  

A

 

2k

 

10%

 

(or

 

better)

 

1/8W

 

(or

 

higher)

 

resistor

 

suffices.

  

This

 

parallel

 

resistor,

 

when

 

wired

 

across

 

the

 

excitation

 

inside

 

the

 

15

 

pin

 

connector

 

shell,

 

will

 

not

 

affect

 

the

 

sensor

 

operation.

  

See

 

Figure

 

20

 

for

 

sensor

 

wiring.

  

The

 

sensor

 

itself

 

uses

 

pins

 

1

‐

5.

  

The

 

optional

 

quadrature

 

encoder

 

uses

 

pins

 

5

‐

9.

  

Note

 

that

 

the

 

shield

 

for

 

the

 

sensor

 

and

 

encoder

 

both

 

connect

 

to

 

pin

 

5.

  

Choose

 

cable

 

that

 

keeps

 

the

 

sensor

 

wires

 

and

 

encoder

 

wires

 

each

 

grouped

 

in

 

their

 

own

 

shield.

   

The

 

remaining

 

pins

 

are

 

reserved

 

for

 

autoID.

 

 

 

Figure

 

20

 

–

 

Sensor

 

Wiring

 

 

Power

 

Connection

 

The

 

PMAC

 

3000

 

is

 

intended

 

to

 

run

 

either

 

on

 

the

 

internal

 

Li

 

Ion

 

batteries,

 

or

 

the

 

supplied

 

12VDC

 

AC

 

adapter.

  

The

 

supplied

 

power

 

supply

 

will

 

charge

 

the

 

internal

 

batteries

 

as

 

required,

 

shutting

 

down

 

the

 

charge

 

when

 

the

 

battery

 

is

 

sufficiently

 

charged.

  

LED

 

indicators

 

on

 

the

 

rear

 

of

 

the

 

PMAC

 

3000

 

show

 

the

 

charge

 

status.

  

See

 

Figure

 

1.

  

A

 

full

 

charge

 

typically

 

takes

 

from

 

2

 

to

 

3

 

hours.

 

 

Internal

 

Batteries

 

The

 

PMAC

 

3000

 

has

 

a

 

rechargeable

 

Li

‐

Ion

 

battery

 

pack

 

for

 

the

 

main

 

battery.

  

The

 

backup

 

battery,

 

which

 

powers

 

the

 

clock

 

and

 

internal

 

non

‐

volatile

 

RAM,

 

is

 

a

 

3V

 

lithium

 

battery.

  

Both

 

batteries

 

are

 

soldered

 

to

 

the

 

PCB

 

and

 

are

 

not

 

user

 

serviceable.

  

Li

‐

Ion

 

batteries

 

are

 

very

 

sensitive

 

to

 

how

 

they

 

are

 

charged.

  

Failure

 

to

 

charge

 

them

 

correctly

 

may

 

cause

 

them

 

to

 

explode

 

or

 

otherwise

 

burn

 

up.

  

The

 

charge

 

circuit

 

in

 

the

 

PMAC

 

3000

 

was

 

designed

 

to

 

charge

 

the

 

internal

 

Li

‐

Ion

 

pack

 

based

 

on

 

Содержание PMAC 3000

Страница 1: ...rsion 2 03 of the GUI software October 5 2017 HITEC Sensor Developments 1050 W Silver Bell Road Orion MI 48359 248 391 3000 Fax 248 391 0107 sales hitecsensors com www hitecsensors com HITEC Sensor De...

Страница 2: ...Record Display 9 Encoder optional 11 The Menu 12 External I O 15 Analog Output 16 Cycle On 17 Limit Outputs 17 Sensor Connection 20 Power Connection 20 Internal Batteries 20 Graphical User Interface...

Страница 3: ...number 1 248 391 3000 Features The PMAC 3000 features Six process monitoring functions including A continuous tracking function 3 peak logging functions 2 waveform recording functions with multiple re...

Страница 4: ...top of the PMAC 3000 The PMAC 3000 will power up Figure 1 PMAC 3000 Front Top and Rear View The first screen to appear describes the unit as a PMAC 3000 made by HITEC Sensor Developments The software...

Страница 5: ...ments autoID sensor the sensor information will reflect the autoID data If the sensor does not have the autoID feature installed the sensor information is that of the last sensor connected Figure 3 Se...

Страница 6: ...t hold the button a few seconds and release it Process Monitor Functions The PMAC 3000 provides six process monitoring functions Track Peak Peak Peak Auto Record Manual Record Track Track provides con...

Страница 7: ...ad is greater than the Sensor Target value The Sensor Target value is a programmable through the PMAC 3000 Menu See Menu section Peak Peak Peak The Peak functions sample the sensor at a rate of 10 000...

Страница 8: ...sitive or negative The user defined sensor Threshold and all limits are evaluated with respect to the absolute value of the reading so that the sign of the reading does not play a part in the evaluati...

Страница 9: ...See the Menu section Track Clicking Track will switch to the Track mode As stated earlier Track is the special case function that does not require a trip through the menu to activate Redo Peak Pressin...

Страница 10: ...r Threshold is evaluated with respect to the absolute value of the reading so that the sign of the reading does not play a part in the evaluation Note High Pass and Low limits are not evaluated in Rec...

Страница 11: ...Track mode for how to zero the sensor In addition the 1 represents the count of the last recorded plot In the case shown here the last recorded plot was the 1st plot in memory Battery Indicator A visu...

Страница 12: ...Screen Figure 11 shows the Recording Complete screen This is a more obvious visual indication that recording has ended Press Ok to return to the active recording screen Note that the Automatic Record...

Страница 13: ...it is evaluated in real time In the Track mode all limits are evaluated in real time In the Track mode Angle begins counting immediately and may be reset to zero by pressing the Tare button Note that...

Страница 14: ...tart of it As in Angle mode if the RPM value exceeds the encoder Target value the Target output will fire The Menu The PMAC 3000 provides an intuitive touch screen menu interface Press Menu from any o...

Страница 15: ...saves to memory Exit returns to System Settings Exit returns to Settings General Settings General Misc Settings Presets Select 1 5 Load loads selected presets as current settings Save saves current s...

Страница 16: ...try Screen E Target Limit Numeric Entry Screen E High Limit Numeric Entry Screen Exit returns to Settings Calibrate Sensor With autoID autoID Sensor Detected shows sensor info Exit returns to Settings...

Страница 17: ...Exit returns to Main Menu Re init PMAC 3000 pass code is 911 Re initialize will re initialize or format PMAC 3000 flash memory Exit returns to Main Menu Recorded Plots Erase One Plot Plot Selector Er...

Страница 18: ...l scale is accounted for This means that zero load on the sensor will produce 0V output for 10V and 5V ranges 5V for the 0 10V range and 2 5V for the 0 5V range The analog output uses the full 16 bits...

Страница 19: ...e Digital I O connector on the rear of the PMAC 3000 See Figure 1 The High Pass and Low limits reflect the status of their corresponding front panel indicators The Target output is a special case in t...

Страница 20: ...P M A C 3 0 0 0 Page 18 Figure 15 Limit Output Schematic Figure 16 Non Isolated TTL or CMOS Output...

Страница 21: ...P M A C 3 0 0 0 Page 19 Figure 17 Non Inductive Loads 1 5 amps Figure 18 Inductive Loads 1 5 amps Figure 19 High Voltage and or High Current Loads...

Страница 22: ...t to pin 5 Choose cable that keeps the sensor wires and encoder wires each grouped in their own shield The remaining pins are reserved for autoID Figure 20 Sensor Wiring Power Connection The PMAC 3000...

Страница 23: ...uired to read peaks and plots from the PMAC 3000 and store them to a file In addition it is also handy in that it makes easy work of modifying the PMAC 3000 settings To install the software and USB dr...

Страница 24: ...ngs screen See section on General Settings System Settings Brings up the System Settings screen See section on System Settings Peak Readings Brings up the Peak Readings screen See section on Peak Read...

Страница 25: ...t the user choose tab delimiting if the local numbering system uses commas instead of decimal points The user may also change the delimiter by pressing the F1 button from the GUI Main Screen General S...

Страница 26: ...t evaluated Target This value determines at which load the target output in the Digital I O becomes active High Limit This limit value draws a line between pass and fail on the upper side of the accep...

Страница 27: ...to the calibration of the attached sensor The user may read the calibration settings of the currently attached sensor by clicking Get sensor cal settings from sensor attached to PMAC 3000 If the senso...

Страница 28: ...elect the range of analog output voltage desired The analog output voltage is spread over the entire range of the sensor capacity from negative full scale to positive full scale This means that for ex...

Страница 29: ...s the user to upload view graph load and save peak readings See Figure 25 Figure 25 GUI Peak Readings Screen Get peak readings from PMAC 3000 Click to upload all peaks stored in memory Upload progress...

Страница 30: ...displayed at the bottom of the plot selector window Upload all plots from PMAC 3000 Uploads all plots from the PMAC 3000 to the PC Upload progress is displayed in Readings Buffer Info All plots are s...

Страница 31: ...process will begin The first thing to appear is the touch screen calibration Just follow the directions presented Use a non abrasive somewhat pointy object such as a bobby pin or toothpick to touch t...

Страница 32: ...put Type Quadrature TTL CMOS Power Supply 5VDC 100mA max Maximum Pulse Rate 200kHz Angle Sample Rate 10 000 samples second RPM Sample Rate 10 000 samples second difference calculated over last 05 seco...

Страница 33: ...packaging and any correspondence We will return the goods prepaid Products which have been exposed to hazardous materials will not be accepted unless they have been properly decontaminated HITEC Senso...

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