+GF+ 3-9900.398-1 - Process-Signal-Condition/Single-4-20mA-Loop-Output - Plug-In Loop Powered 9900 Transmitter Analog Output Module
The 3-9900.398-1 is a field-installable second isolated 4-20 mA output module that slots into a 9900-1P base unit, enabling dual analog distribution (primary + secondary measurement) with independent span, error current (3.6/22 mA), and loop tuning—no Y-splitting needed.
It lets one 9900 feed two PLC/SCADA analog inputs independently—for example, flow on CH1 → Loop A, pH/temp on CH2 → Loop B, or main + derived value—keeping each loop calibrated and traceable. Scales multi-parameter skids (RO/DI, dosing, neutralization) without extra transmitters or splitters.
| Parameter | Specification |
|---|---|
| Model / Part No. | 3-9900.398-1 |
| Order Code | 159 001 784 |
| Product Type | 4-20 mA Output Module (Plug-in Module) |
| Compatible Transmitter | Signet 9900 Transmitter (Generation III or later) |
| Core Function | Adds a second 4-20 mA loop output to the 9900 Transmitter |
| Power Supply | 12 / 24 VDC (Loop Power or DC Power from 9900 base unit) |
| Output Type | Analog 4-20 mA (second loop) |
| Output Assignment | Can output Primary or Secondary measurement of the connected sensor |
| Installation | User-pluggable module (shares same site as Cond/Res and Batch modules) |
| Weight | Approx. 0.160 kg (0.35 lbs) |
| Compatible Models | Panel Mount 9900-1P (159 001 695) & Field Mount 9900-1 (159 001 696) |
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