Overview
Configured for 32-channel DC output signal execution in Invensys control system platforms, the Invensys 3625C1 (3625C1 Control Module) provides direct physical and electrical control of field output circuits. The module operates with 24 VDC nominal voltage and supports commoned output signals with self-protecting field circuitry.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 3625C1 |
| Brand | Invensys |
| Product Type | Control Module |
| Origin | USA |
| Weight | 2 kg |
| Dimensions | 49 cm x 45.3 cm x 6.8 cm |
| Operating Temp | Not specified |
| Power Consumption | Less than 13 watts |
| Nominal Voltage | 24 VDC |
| Output Signals | 32 channels, commoned |
| Voltage Range | 16-32 VDC |
| Maximum Voltage | 36 VDC |
| Current Rating | Maximum 1.7 A per point, 7 A surge per 10 ms |
| Minimum Required Load | 10 mA |
| Load Leakage | 4 mA maximum |
| Voltage Drop | Less than 2.8 VDC at 1.7 A, typical |
| Field Protection | Self-protecting, no field termination fuses required |
Industrial Control Output Circuit Characteristics
The Invensys 3625C1 Control Module manages discrete DC output circuits through commoned field connections. The module accepts a 16-32 VDC operating range and limits output circuit stress through integrated self-protection functions.
Furthermore, the module maintains output voltage characteristics with a typical voltage drop below 2.8 VDC at 1.7 A load conditions. The design supports direct connection between the control system output interface and external field devices requiring DC switching control.
Frequently Asked Questions
Q: What type of field signals does the Invensys 3625C1 handle?
A: The 3625C1 handles 32 commoned DC output signals with a nominal 24 VDC supply range for field control circuits.
Q: Does the 3625C1 require external output protection fuses?
A: No. The module uses self-protecting output circuitry, and field termination fuses are not required according to the provided specifications.
Q: What load conditions are required for correct module operation?
A: The module requires a minimum load of 10 mA and supports a maximum output current of 1.7 A per point.
Field Installation Guidelines
- Install the module inside the designated Invensys control system rack according to the system hardware manual.
- Verify that the 24 VDC field power supply matches the specified voltage range before connection.
- Confirm field wiring polarity before energizing output channels.
- Separate DC output wiring from high-voltage AC cables to reduce electrical interference.
- Use appropriate grounding practices for cabinet assemblies and cable shields.
- Check terminal connections for mechanical tightness before system startup.
- Verify output channel behavior with the connected field devices during commissioning.
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