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Wiring for 4 to 20mA Transmitter inputs
External Power Supply
24 Vdc
+ -
Transmitter
+ -
Wiring for Z1 Input
External Power Supply
24 Vdc
+ -
Transmitter
+ -
Wiring for Z2 Input
DO NOT WIRE THE 24 VOLT POWER SUPPLY
ACROSS THE INPUT OF THE CONTROL. DAMAGE
TO THE INSTRUMENT INPUT CIRCUITRY WILL RE-
SULT.
WARNING: The inputs of the instrument are not isolated
from each other. The input sources must be isolated
from each other. Process inputs may not share a
common external ground.
FAILURE TO OBSERVE THIS WARNING MAY CAUSE
DANGEROUS OR LETHAL VOLTAGES TO BE PRESENT
IN THE INSTRUMENT WHICH MAY CAUSE SERIOUS
INJURY OR DEATH.
Wire power and outputs as shown above. Two-wire transmitters wire as
shown below.
For three or four wire transmitters follow the wiring instructions provided
with your transmitter.