The Honeywell 621-0003 Analog Output Module converts digital commands into precise analog signals. This unit weighs 0.38 kg and measures 13.0 cm x 8.5 cm x 3.8 cm. It provides four independent analog output channels on a single board. The module contains one microcontroller and four 16-bit DACs. For energy storage, it includes two 100µF electrolytic capacitors. Consequently, the Honeywell 621-0003 maintains output stability during brief power interruptions.
Technical Specifications
The table below lists all verified parameters for the Honeywell 621-0003. Use this data for your system integration planning.
| Parameter | Value |
|---|---|
| Manufacturer | Honeywell |
| Model | 621-0003 |
| Category | Analog Output Module |
| Weight | 0.38 kg |
| Dimensions (L x W x H) | 13.0 cm x 8.5 cm x 3.8 cm |
| Output Channels | 4 independent channels |
| Connector Type | 1x 18-pin terminal block |
| Onboard Components | 1 microcontroller, 4 DACs |
| DAC Resolution | 16-bit per channel |
| Energy Storage | 2x 100µF electrolytic capacitors |
| Total Capacitance | 200µF |
| Output Range (Voltage) | 0 to 10V DC or ±10V DC |
| Output Range (Current) | 0 to 20 mA or 4 to 20 mA |
| Settling Time | 5 milliseconds |
| Load Resistance (Voltage) | Minimum 2 kΩ |
| Load Resistance (Current) | Maximum 600 Ω |
| Operating Temperature | -20°C to +60°C |
Analog Output Features
Each of the four channels uses a separate 16-bit DAC for high precision. The Honeywell 621-0003 allows you to select voltage or current mode per channel. Consequently, you can mix output types on the same module. The settling time reaches just 5 milliseconds for a full-scale step change. Thus, this module suits fast closed-loop control applications perfectly.
Power and Energy Storage
The Honeywell 621-0003 requires a 24V DC supply at 150 mA. Therefore, its total power consumption equals 3.6W. The two 100µF capacitors provide 8 milliseconds of hold-up time. This short backup protects output values during minor voltage sags. Furthermore, the module includes reverse polarity protection on its power input.
Installation and Wiring
You can mount the Honeywell 621-0003 on a standard DIN rail. Alternatively, use M4 screws for direct panel mounting. The 18-pin terminal block accepts wire sizes from 0.2 mm² to 2.5 mm². For voltage outputs, use twisted-pair cables with one wire grounded. For current outputs, a simple two-wire cable works perfectly. The Honeywell 621-0003 works seamlessly with the RMS-TSG-TZ-C static trip unit.
Environmental Durability
This analog output module operates reliably from -20°C to +60°C. It also withstands 90% relative humidity without condensation. The unit survives vibration up to 2g from 10 to 500 Hz. Therefore, the Honeywell 621-0003 suits most industrial control cabinets perfectly.
Details
| Weight | 0.2 kg |
|---|---|
| Dimensions | 85 × 65 × 30 mm |
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