XBF-DC04C

Description

4-channel current output module for the XGB family, supporting 4–20 mA and 0–20 mA signals with 14-bit D/A resolution. Designed for standard process control loops and requires an external 24 VDC expansion supply.

The Polar Energy Assessment:

The DC04C provides four analog current outputs, typically switchable between 0–20 mA and 4–20 mA, with 14-bit resolution and per-channel output commons (non-isolated between channels). It updates at speeds suitable for PID control (vendor cut sheets list ~1 ms class update behavior), requires the XGB expansion 24 VDC supply, and uses the standard XGB removable terminal block/cable accessories for field wiring. Use it when you need compact, accurate current outputs for valve positioners and proportional actuators.

Pros

• 14-bit resolution for fine control of analogue actuators.
• Four isolated-to-PLC current outputs in one compact module.
• Fits the XGB form factor and uses standard terminal blocks/cables for simple BOM integration.

Limitations

• External 24 VDC expansion supply required; include in BOM.
• Channel-to-channel galvanic isolation is not provided; treat wiring accordingly.

Typical use cases

• Driving 4–20 mA valve positioners and proportional valves in machine or process loops.
• Local D/A outputs for PID loops on OEM equipment.