








Product Description
General Information
Field |
Details |
---|---|
Manufacturer |
Foxboro |
Model/Part Number |
FBM205 (RH914XG supersedes P0914XG) |
Description |
0 to 20 mA I/O Interface Module (Redundant) |
Functional Specifications
Parameter |
Details |
---|---|
Input/Output Channels |
4 analog inputs (0–20 mA), 4 analog outputs (0–20 mA), all redundant |
Input/Output Range |
0 to 20.4 mA dc |
Input Accuracy |
±0.3% of span (includes sense resistor tolerance) |
Input Temp. Coefficient |
±50 ppm/°C |
Input Impedance |
60 Ω nominal |
Input A/D Conversion |
Sigma-delta technique (per channel) |
Integration Period |
Software configurable |
Common Mode Rejection |
>100 dB at 50 or 60 Hz |
Normal Mode Rejection |
>95 dB at 50 or 60 Hz |
Input Loop Protection |
Current-limited (<30 mA); short circuit limit ≈100 mA |
Output Accuracy |
±0.05% of span |
Output Load |
750 Ω max |
Output Delay |
30 ms max |
Output Resolution |
13 bits |
Output Loop Protection |
Current-limited (≈25 mA); FET short protected |
Environmental Specifications
Condition |
Operating |
Storage |
---|---|---|
Temperature |
-20 to +70°C (-4 to +158°F) |
-40 to +70°C (-40 to +158°F) |
Humidity |
5 to 95% RH (non-condensing) |
5 to 95% RH (non-condensing) |
Altitude |
-300 to +3,000 m (-1,000 to +10,000 ft) |
-300 to +12,000 m (-1,000 to +40,000 ft) |
Contamination |
Suitable for ISA S71.04 Class G3 (Harsh) |
|
Vibration |
0.75 m/s² (5 to 500 Hz) |
Physical Specifications
Parameter |
Details |
---|---|
Mounting |
On baseplate (DIN rail or 19” rack) |
Module Mass |
Approx. 284 g (10 oz) |
TA Mass (Compression) |
Approx. 159 g (0.35 lb) |
TA Mass (Ring Lug) |
Approx. 204 g (0.45 lb) |
Module Dimensions |
H: 102–114 mm (4–4.5 in); W: 45 mm (1.75 in); D: 104 mm (4.11 in) |
Cable Length |
Up to 30 m (98 ft) |
Cable Materials |
Polyurethane or LSZH |
Cable Connector Type |
25-pin male D-subminiature |
Termination Cable Type |
Type 1 (refer to Table 2 in full datasheet) |
Construction & Connections
Component |
Material / Details |
---|---|
TA Material |
Polyamide (PA) |
Terminal Blocks |
3 tiers, 4 positions each for inputs and outputs |
Bypass Jacks |
4 jacks (RH917QW supersedes P0917QW) |
Compression Wiring |
0.2–4 mm² (solid/stranded), 24–12 AWG; Ferrule: 0.2–2.5 mm² with/without collar |
Ring Lug Wiring |
#6 connectors (0.375 in), 0.5–4 mm² (22–12 AWG) |
Ordering Information
Component |
Part Number |
---|---|
FBM205 Module |
RH914XG (supersedes P0914XG) |
Redundant Adapter |
RH916NN (supersedes P0916NN) |
Output Bypass Jacks |
RH917QW (supersedes P0917QW) |
Termination Assemblies |
Refer to functional spec, page 8 |