Logix™ 3800zb Digital Positioner FCD AIIOM001030_EN 02/23
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15 POSITIONER SPECIFICATIONS
15.1 Input Signal
Table 9: Input Signal (HART)
Two-wire, 4-20 mA
10.0 VDC plus line losses
Minimum Required
Operating Current
Power Interruption
Time Limit
After applying power for at least 1
minute, a 40 ms power interruption will
not cause the positioner to reset.
Time from the application of power to
begin controlling valve < 1.0 second.
HART protocol (Logix 382X- only)
Spring Terminal 24-16 AWG
Refer to the HART Field Communications
Protocol Application Guide, HART HCF
LIT
15.2 Pneumatic Supply
Table 10: Air Supply
Air, sweet natural gas, nitrogen, and CO2
are acceptable supply gasses. Sour natural
gas is not acceptable. For Type nA and
Type tb installation, only connect air or
inert gas to the air supply inlet.
15.3 Analog Output (HART)
Table 11: 4 to 20 mA Analog Output Specification
10.0 to 40 VDC, (24 VDC Typical)
-55 to 85°C (-67 to 185°F)
15.4 Stroke Output
Table 12: Stroke Output
Min 15°, Max 110° (with spring bias)
Max 180° (without spring bias)
60° recommended for linear applications.
15.5 Remote Mount Specifications
Table 13: Remote Mount Module Specifications
Use only with Logix™ Remote-
Mount Option device.
Max Cable and Tube Distance
30.5 m (100 ft) for ½” dia. tubing
9.1 m (30 ft) for ¼” dia. tubing
-55 to 124°C (-67 to 255°F)
NOTE: When using tubing near maximum lengths the
positioner performance may be degraded.
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