Noshok 1950 Series Compact Smart System 5-Digit Process M Manual do Utilizador descarregar pdf (Página 8)

Entering Code 50 will display the version (x.x) of the

meter. The display then returns to

CodE 00. Press the SEL

button to exit the module.

Entering Code 66 will overwrite all user settings with

the factory settings. The meter will display

rESEt and then

return to

CodE 00. Press the SEL button to exit the module.

6.2 MODULE 2 - SECONDARY FUNCTION PARAMETERS (2-SEC)

PARAMETER MENU

MIN DISPLAY ENABLE

USER INPUT ASSIGNMENT

Select the value(s) to which the User Input Function is assigned. The User

Input Assignment only applies if a selection of reset, display hold, or print and

reset is selected in the User Input Function menu.

MODEDISPLAY

No Function

DESCRIPTION

User Input disabled.

Program Mode Lock-out

P-Loc

Zero Input

(Edge triggered)

ZErO

Zero the Input Display value causing

Display Reading to be Offset.

COLOr

d-SEL

d-LEV

d-HLd

rESEt

Resets the assigned value(s) to the

current input value.

HI-LOHI

dSPLO

See Programming Mode Access chart

(Module 3).

YESNO

MODE DESCRIPTIONDISPLAY

Setpoint 1 and 2 Reset

Setpoint 1 Reset

Setpoint 2 Reset

Print and Reset

Reset both setpoint 1 and 2 outputs.

Resets setpoint 1 output.

Resets setpoint 2 output.

Same as Print Request followed by a

momentary reset of the assigned value(s).

rSt12

rSt-1

rSt-2

P-r5t

Print Request

Serial transmit of the active parameters

selected in the Print Options menu

(Module 5).

2.0

HI-t

LO-En

FCS

MAX CAPTURE DELAY TIME

When the Input Display is above the present MAX value for the entered

delay time, the meter will capture that display value as the new MAX reading.

A delay time helps to avoid false captures of sudden short spikes.

2.0

LO-t

MIN CAPTURE DELAY TIME

When the Input Display is below the present MIN value for the entered delay

time, the meter will capture that display value as the new MIN reading. A delay

time helps to avoid false captures of sudden short spikes.

0.0 to 999.9 sec.

USER INPUT FUNCTION

USrIN

dSP

U-ASN

HI-En

MAX DISPLAY ENABLE

0.0 to 999.9 sec.

Select yES to perform either of the Factory Service Operations shown below.

FACTORY SERVICE OPERATIONS

yESNO

YESNO

Enables the Maximum Display Capture capability.

Enables the Minimum Display Capture capability.

The 1950 uses stored calibration values to provide

accurate voltage and current measurements. Over time,

the electrical characteristics of the components inside the

meter could slowly change, therefore the stored

calibration values may no longer accurately define the input circuit. For most

applications, recalibration every 1 to 2 years should be sufficient.

Calibration of the 1950 involves a voltage or current calibration, which

should only be performed by individuals experienced in calibrating electronic

equipment. Allow a 30 minute warm up for eqiupment and unit before

performing any calibration related procedures. The following procedures should

be performed at an ambient temperature of 15 to 35°C (59 to 95°F).

CAUTION: The accuracy of the calibration equipment will directly affect the

accuracy of the 1950..

Calibration

1. Connect the negative lead of a precision DC source with an accuracy of 0.01%

or better to the COMM. Leave the positive lead of the DC source unconnected.

2. With the display at

CodE 48, press and hold the SEL button for 2 seconds. Unit

will display

CAL NO.

3. Press the

RST button to select the range to be calibrated.

4. Press the

SEL button. Display reads 0.0A (0.0 V for voltage).

5. Apply 0 signal:

Current: leave the positive lead of the DC source unconnected.

Voltage: apply a short to the input or connect the positive lead of the DC

source to INP+ and set the source to 0.

Press

SEL. Display reads CALC for about 8 seconds.

6. When the display reads the selected range (10 V, 20 mA, or 50 mA), connect

the positive lead of the DC source to INP+ and apply the full scale input signal

for the range. Press

SEL. Display reads CALC for about 8 seconds.

7. Repeat steps 3 through 6 for each input range to be calibrated. When display

reads

CAL NO, press the SEL button to exit calibration.

CALIBRATION

CodE

RESTORE FACTORY DEFAULT SETTINGS

VIEW VERSION DISPLAY

Backlight Color

(Edge Triggered)

Display Select

(Edge Triggered)

Display Intensity Level

(Edge Triggered)

Display Hold

Reset (Edge triggered)

Change backlight color with each

activation (backlight version only).

Advance once for each activation.

Increase intensity one level for each

activation (backlight version only).

Holds the assigned display, but all other

meter functions continue as long as

activated (maintained action).

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