Practical Instrument Electronics 850 - Manual (Page 17)

Page 15
Pr
eliminar
y
To
Sensor
Typical
2-Wire
Transmitter
(Disconnected)
+ IN - REF +OUT-
Receiver
Powers External
2-Wire Transmitter
Power Supply
(2 to 60 VDC)
LO
4.000
mA
2-WIRE
5 6 + -
Connect the output leads of the PIE 850 to the inputs of the
device being calibrated, making sure to check polarity. Red lead
to the plus (+) input and black lead to the minus (-) input.
Instantly output your SPAN and ZERO output settings by moving
the EZ-CHECK switch between HI and LO (defaults to 20 & 4 or
50 & 10 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.
2 Wire SIM mA, 2 Wire SIM % (Percent of 4-20 or 10-50 mA)
T/C
All mA∙ Read V
-
2 3
RTD
Ω
RTD
Ω
6 5
4
+
Source & Read Hz∙ mV
Source V∙ pH
- +
1
-
All milliamp connections
Note: With LOOPSCOPE on the 850 occasionally performs a
test on the loop. During this short test the loop mA signal will be
affected.