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Practical Instrument Electronics
Tel: 585.872.9350 • Fax: 585.872.2638 • [email protected] • www.piecal.com
Operating Instructions
SOURCE mA / SOURCE % (Percent of 4 to 20 mA)
Choose this function to provide an output from 0.000 to 24.000 milliamps or
-25.00 to 125.00%. The compliance voltage is a nominal 24 VDC to provide the
driving power to your milliamp receivers.
Move the power switch
w
to SOURCE then Double Click the EZ-DIAL knob to
get into the Double Click Menu. Turn the knob to scroll through the settings and
press the knob to make your selection. Select mA for the FUNCTION and
SOURCE for the MODE. Choose either mA or % and whether you need the
250
Ω
HART resistor active in the loop.
Connect the output leads of the 830PM to the inputs of the device being
calibrated, making sure to check polarity. Red lead from jack (5) to the plus (+)
input and black lead from jack (6) to the minus (-) input. Open loops and signals
above the maximum scale are limited by protection circuitry with “ERROR” or
“OVER RANGE” flashed on the display and the red OVERLOAD LED lit.
Instantly output your SPAN and ZERO output settings by moving the EZ-CHECK
switch between HI and LO (defaults to 20 & 4 mA). You may also select any third
output setting (such as mid-range) using the SET position on the EZ-CHECK
switch. The output is adjusted in 0.001 mA (0.01%) increments by turning the
knob
e
. Press and turn the knob for faster dialing with 0.100 mA (1.00%)
increments.
5
MAX
READ
MIN
READ
6
-
+
-
3 2
-2
OFF
HI
SET
LO
SOURCE
Hz SYNC
EZ-DIAL
Double Click
Menu
Push & Turn for
Fast Dialing
Push & Hold to
Store/Step
piecal.com
EZ-CHECK™
PRACTICAL INSTRUMENT ELECTRONICS
MODEL 830PM
Process Calibrator
Loop Diagnostics · Transmitter Supply
mA · V ∙ pH · TC · Ω · RTD · Hz · Pressure
Pressure
Module
All mA∙ Read V
TC
Source & Read mV
Hz
Source V
pH
RTD • Ohms
OVERLOAD
4
1
+
+1
Milliamp Receiver Input
Controller
Transmitter
Computer
Logger, I/P, DCS
5 6
+
-
HI
mA
20.000
SOURCE