Potentiometer Input to DC Transmitters, Isolated, Field Rangeable
API 4008 G
Input:
100
Ω
to 1 M
Ω
Potentiometers
Output:
0-1 V to ±10 VDC, or 0-2 mA to 0-20 mADC
O
Accepts Wide Range of Potentiometers
O
Set-up via External Rotary Switches
O
Easy-to-use Setup Tables
O
Selectable Voltage or Current Outputs
O
2000 VRMS Isolation Input/Output/Power
O
Input and Output LoopTracker
®
LEDs
O
Functional Test Button
Q
Over, Under, Out-of-Range Position Monitoring
Q
Remote Control of Positioning Devices
Q
Simplify Control of Potentiometer Outputs
Applications
Options—add to end of model number
M01
Input/output reversal, such as 4-20 mA input to
20-4 mA output
U
Conformal coating for moisture resistance
Accessories—order as separate line item
API 008
8-pin socket
API 008 FS
8-pin finger-safe socket
API CLP1
Module hold-down spring for high vibration or
mobile applications
Model
Input
Output
Power
API 4008 G
Any full-range potentiometer
from 0-100
Ω
to 0-1 M
Ω
Specify if custom range is required
Field configurable
specify range if factory is to set
switches
115 VAC
API 4008 G A230
230 VAC
API 4008 G P
85-265 VAC or 60-300 VDC
API 4008 G D
9-30 VDC
Description
The API 4008 G accepts a resistance input from potentiometer,
slidewire, linear position, displacement, or rotational devices
and provides an optically isolated DC voltage or current output
that is linearly related to the potentiometer position.
The API 4008 G will accept any potentiometer with a value of
0-100
Ω
through 0-1 M
Ω
without recalibration and without
affecting accuracy as long as 100% of the potentiometer range
is used. Models with offsets and/or input ranges other than 0 to
100% of the pot are available. Consult factory for assistance.
The API 4008 G output can be field-configured via external
rotary and slide switches. 10 DC voltage or 8 DC current ranges
can be selected from the table on the module. Other output
ranges are available.
The full 3-way (input, output, power) isolation makes this mod-
ule useful for ground loop elimination, common mode signal
rejection or noise pickup reduction.
Output Loop Power Supply
The API 4008 G has an 20 VDC loop excitation supply for the
output. This power supply can be used to power a passive
mA device.
LoopTracker
API exclusive features include two LoopTracker LEDs (green for
input, red for output) that vary in intensity with changes in the
process input and output signals. These provide a quick visual
picture of your process loop at all times and can greatly aid in
saving time during initial startup and/or troubleshooting.
Output Test
An API exclusive feature includes the test button to provide a
fixed output (independent of the input) when held depressed.
The test output level is potentiometer adjustable from 0 to
100% of output span.
The output test button greatly aids in saving time during initial
startup and/or troubleshooting.
Potentiometer Input Ranges
Full travel of potentiometer and 3 wire connection required
Minimum: 0-100
Ω
Maximum:
0-1 M
Ω
Consult factory for other ranges and configurations
Input Impedance
10 M
Ω
minimum
Common Mode Rejection
100 dB minimum
LoopTracker
Variable brightness LEDs indicate I/O level and status
DC Output Ranges
Field selectable ranges via switch settings
See table on other side for complete listing or consult factory
for special ranges
Voltage:
0-1 VDC to 0-10 VDC, 10 mA max
Bipolar voltage: ±5 VDC or ±10 VDC
Current:
0-2 mADC to 0-20 mADC
20 V compliance, 1000
Ω
at 20 mA
Output Logic
Normal (standard) or reverse acting with M01 option
Calibration
Multi-turn zero and span potentiometers for output
±15% of span adjustment range typical
Output Loop Power Supply
20 VDC nominal, regulated, 25 mADC, max. ripple <10 mV
RMS
Output Test
Front button sets output to test level when pressed
Potentiometer adjustable 0-100% of span
Output Ripple and Noise
Less than 10 mV
RMS
Linearity
Better than ±0.1% of span
Ambient Temperature Range and Stability
–10°C to +60°C operating ambient
Better than ±0.02% of span per °C stability
Response Time
70 milliseconds typical
Isolation
2000 V
RMS
minimum
Full isolation: power to input, power to output, input to output
Installation Environment
IP 40, requires installation in panel or enclosure
Use with API 008 or API 008 FS socket
Socket mounts to 35 mm DIN rail or can be surface mounted
UL 508C pollution degree 2 environments or better
Power
Standard:
115 VAC ±10%, 50/60 Hz, 2.5 W max.
P option:
85-265 VAC 50/60 Hz, 60-300 VDC, 2.5 W
A230 option:
230 VAC ±10%, 50/60 Hz, 2.5 W max.
D option:
9-30 VDC, 2.5 W typical
Minute
Setup!
1
Free Factory
I/O Setup!
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Made in USA
2.75"
2.38"
1.75"
Variable Brightness
Input LED
Output Test Button
Output Test Adjust
Output Span
Output Zero
Variable Brightness
Output LED
Hot Swappable
Plug-In Design
API 008
600 V Rating
API 008 FS
300 V Rating
API CLP1
E145968
115 VAC, 230 VAC
models
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