Siemens 4-input, 4-output addressed module with line separator, contact monitoring and potential-free relay. Ideal for firefighting and technical control systems, with the following features:
Inputs: 4 monitored, for potential-free contacts
Outputs: 4 potential-free relays (AC/DC)
Communication protocol: FDnet / C-NET
Power supply: 12-33V DC
Quiescent current: 0.6-0.75 mA
Status LEDs: Alarm, fault, test, localization
Dimensions: 130x90x20 mm (WxHxD)
Color: White, transparent cover
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The Siemens FDCIO222 module, is a professional solution for decentralized management of inputs and outputs in FDnet or C-NET loop-based fire detection systems. It enables the integration and monitoring of technical devices such as fans, fire doors, air conditioning systems or sprinklers, thanks to flexible configuration and constant signal monitoring.
Digital inputs are designed to connect potential-free, normally open or closed contacts, such as:
Technical status sensors
Door limit switches
Fault signals
Sprinkler system activation
The input lines are monitored against interruptions or short circuits, using supplied terminal resistors. Each input can be configured to send status or alarm signals.
Relay outputs are suitable for direct control of devices with the following limits:
AC 250 V, 4 A (max 1000 VA)
DC 30 V, 4 A (max 120 W)
Perfect for activating actuators, controllers, motors, or ventilation systems. Each output can be independently programmed to suit the specific needs of the system.
Easy mounting on DIN rail or with snap-on brackets
Transparent enclosure for immediate visibility of LEDs
Built-in line separator to ensure loop security
FDnet/C-NET protocol compatible with Siemens FS20, FS720, AlgoRex, SIGMASYS control panels
Automatic addressing at the time of configuration
Fire door control
Fans and HVAC
Sprinkler alarm activation
Decentralized technical monitoring
Integration into Siemens fire detection systems
| Parameter | Value |
|---|---|
| Inputs | 4 monitored, for potential-free contacts |
| Outputs | 4 potential-free relays (AC 250V / DC 30V, up to 4 A) |
| Communication protocol | FDnet / C-NET |
| Power supply | 12 - 33 V DC |
| Quiescent current | 0.6 - 0.75 mA |
| Line separator | Integrated |
| Line status monitoring | Yes (with terminal resistors) |
| Status LEDs | Alarm, fault, test, localization |
| System compatibility | FS20, FS720, AlgoRex, SIGMASYS |
| Operating temperature | -25 °C TO +60 °C |
| Storage temperature | -30 °C ÷ +65 °C |
| Relative humidity | ≤95% (non-condensing) |
| Dimensions (W x H x D) | 130 x 90 x 20 mm |
| Connections | Terminals 0.2 to 1.5 mm² (up to 2.5 mm² with accessory) |
| Protection | IP30 / IP65 (with FDCH221 enclosure) |
| Color | Pure white RAL 9010 with transparent cover |
| Standards | EN 54-17, EN 54-18, CEA GEI I-084 |
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