Instructions API 3200
Precautions
WARNING! All wiring must be performed by a qualified electrician
or instrumentation engineer. See diagram for terminal designa-
tions and wiring examples. Consult factory for assistance.
WARNING! Avoid shock hazards! Turn signal input, output, and
power off before connecting or disconnecting wiring, or remov-
ing or installing module.
Précautions
ATTENTION! Tout le câblage doit être effectué par un élec-
tricien ou ingénieur en instrumentation qualifié. Voir le dia-
gramme pour désignations des bornes et des exemples de
câblage. Consulter l’usine pour assistance.
ATTENTION! Éviter les risques de choc! Fermez le signal
d’entrée, le signal de sortie et l’alimentation électrique avant
de connecter ou de déconnecter le câblage, ou de retirer ou
d’installer le module.
Socket and Mounting
Install module in a protective panel or enclosure. Allow space
around module for air flow. Use API 011 or API 011 FS socket.
See specifications for maximum allowable socket voltages. The
socket clips to a standard 35 mm DIN rail or can be mounted to
a flat surface.
Control Input
The input range is factory configured and calibrated (at 24°C
±1°C), and normally does not require adjustment. See "Zero
and Span" at right if adjustment is needed. See the model/
serial number label for input type, range, and options.
Terminals 4 and 5 provide the appropriate connections for the
input signal. Polarity must be observed when connecting the
signal input. The positive connection (+) is applied to terminal
4 and the negative (–) is applied to terminal 5.
If a 4-20 mA control input is specified the module does not
provide power to the loop. The 4-20 mA signal must be from a
powered transmitter or a loop with a power supply.
Potentiometer (Slidewire) Feedback Signal
Terminals 6, 7, 8 provide the appropriate connections for the
position feedback signal. The potentiometer or slidewire wiper
is connected to terminal 7.
Voltage (M01) or mA (M420) Feedback Signal
Terminals 6 and 7 provide the appropriate connections for the
position feedback signal. Polarity must be observed.
The API 3200 G M420 uses a 4-20 mA feedback signal. The
module does not provide power to the loop, thus the feedback
signal must be from a powered transmitter or a loop with a
power supply.
Relay Output Terminals
Terminals 9, 10, 11 provide the appropriate connections for the
desired motor operations.
Module Power
Check model/serial number label for module operating voltage
to make sure it matches available power.
When using DC power, polarity must be observed. The positive
(+) must be wired to terminal 1 and negative (–) must be wired
to terminal 3.
Deadband
For most applications the deadband is the only required
adjustment.
1. Deadband is normally adjusted after installation is com-
plete.
2. Turn the deadband potentiometer counterclockwise to
minimum.
3. Provide a near mid-level control input signal.
4. Allow the valve to stabilize.
5. If overshoot, oscillation, or hunting are detected, slowly
increase the deadband clockwise to eliminate the oscilla-
tion.
Zero and Span
Zero and span adjustments are located on the side of the case
and normally do not need to be adjusted.
1. If adjustment is required, apply a control input that repre-
sents the fully closed position.
2. Adjust the zero control to just close the valve.
3. Apply a full open control input signal.
4. Adjust the span control to just fully open the valve.
Operation
The API 3200 G provides an excitation voltage to the feedback
potentiometer on the valve or valve actuator and monitors
its position. If the difference between the control signal and
the feedback signal is greater than the deadband setting, the
appropriate relay is energized to actuate the positioning motor.
The API 3200 G M420 uses a 4-20 mA control signal input
and feedback signal (unless another current range was speci-
fied). The difference between the control signal input and the
feedback signal is compared to the deadband setting. If the
difference between the two is greater than the deadband set-
ting, the appropriate relay contact is energized to actuate the
positioning motor.
API 3200 G M01 has a voltage feedback signal and control
signal input (unless another voltage range was specified). The
difference between the control signal input and the feedback
signal is compared to the deadband setting. If the difference
between the two is greater than the deadband setting, the
appropriate relay contact is energized to actuate the position-
ing motor.
The LoopTracker®input LED provides a visual indication that a
signal is being sensed by the input circuitry of the module. It
also indicates the input signal strength by changing in intensity
as the process changes from minimum to maximum to provide
a quick visual picture of your process loop at all times.
If the LED fails to illuminate, or fails to change in intensity as
the process changes, this may indicate a problem with module
power or signal input wiring. This features greatly aid in saving
time during initial start-up or troubleshooting.
Control Relays
For all versions an electronic lockout circuit is used to prevent
both relay contacts from closing simultaneously. When the
input and the feedback signals are equal, the relay contacts
will go to the neutral position.
The bi-color relay LED provides a visual indication of the relay
status. In all configurations, a green LED indicates a valve open
relay position and a red LED indicates a valve closed relay posi-
tion. In the neutral position, the LED will be off.
Manual/Auto Mode
Switching the top-mounted toggle switch to Manual allows the
Open and Close push buttons to be used to position the valve
independent of the control and feedback signals. The manual
mode is useful for troubleshooting, calibration, system testing,
or as a manual bypass. The bi-color relay LED indicates the
controller’s Open/Close relay contact status. Switching to Auto
mode allows normal operation.
32111109
87654
AC or
DC–
AC or
DC+
Module power
Socket
top view
Key down
when panel
mounting
See
api-usa.com/accessories
for socket information
and dimensions
Relay
Output
(–) (+)
Control Input
Voltage or
Sourcing mA
Bi-directional
Motor and Valve
Open Close Com
Close Wiper Open
Com Close Open
Open Pos. Close
Feedback
Potentiometer
Potentiometer Feedback
Feedback with M01 Voltage or M420 mA Option
(+) (–)
32111109
87654
AC or
DC–
AC or
DC+
Module power
Socket
top view
Key down
when panel
mounting
See
api-usa.com/accessories
for socket information
and dimensions
Relay
Output
(–) (+)
Control Input
Voltage or
Sourcing mA
Bi-directional
Motor and Valve
Open Close Com Com Close Open
Feedback
Transmitter
Voltage
or mA
api-usa.com
1220 American Way Libertyville, IL 60048
Phone: 800-942-0315 Fax: 800-949-7502
ABSOLUTE PROCESS INSTRUMENTS
API maintains a constant effort to upgrade and improve its products.
Specifications are subject to change without notice. See api-usa.com for
latest product information. Consult factory for your specific requirements.
WARNING: This product can expose you to chemicals includ-
ing lead and nickel, which are known to the State of California
to cause cancer or birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
* Do not make connec-
tions to unused terminals!
To maintain full isolation
avoid combining power sup-
plies in common with input,
output, or unit power.
