NOSHOK 1950 Series Compact Smart System 5-Digit Process Meter - Manual (Page 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.
8
6.2 MODULE 2 - S
ECONDARY
F
UNCTION
P
ARAMETERS
(
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.
MODE DISPLAY
No Function NO
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-LO HI
dSP LO
See Programming Mode Access chart
(Module 3).
YES NO
MODE DESCRIPTION DISPLAY
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).
Print
ª
«
2.0
HI-t
ª
«
NO
LO-En
ª
«
NO
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.
ª
«
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
ª
«
NO
USrIN
ª
«
dSP
U-ASN
ª
«
NO
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
yES NO
YES NO
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
ª
«
48
CodE
ª
«
66
CodE
ª
«
50
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).