| Device name | TFM21 |
| Description
| Module 2 inputs + 1 output |
| Communication protocol
| FIRE-SPEED |
| Address
| 2 rotary selectors |
| Busy addresses | 1 address for each entry (máx.3) |
| Frequency of interrogation
| 2 levels |
| Communication WITNESS | Signaling that can be excluded |
| Performance criteria
| 4 for inputs, 2 for outputs |
| Type of entries | Alarm or malfunction |
| Output type | Contact or controlled line |
| Activation delay | Programmable |
| Activation time | Programmable |
| Output activation | Subject to algebraic formula |
| Power | From loop |
| Nominal voltage | 24VDC |
| Operating voltage | 18V...30VDC |
| Standby absorption | 500μA @ 24V DC in absence of communication |
| Absorption in alarm | 2,3mA @ 24V DC |
| Repeater output | 9,4V DC 6mA (protected) |
| Line separator | Intelligent isolator (no device loss) |
| Relay contacts | Max. 30V DC 1A (resistive load) |
| Power | auxiliary out Range da 18V a 30V DC (max. 500mA) |
| Exercise temperature | -15°C...+70°C |
| Relative humidity | 10%...93% (in absence of condensation) |
| Degree of protection | IP40 |
| Container | ABS V0 |
| Dimensions (L x W x D) | 112 x 78 x 25mm |
| Weight | 165g |
| Standards | EN 54-18: 2005/AC: 2007 - EN 54-17: 2005 |
| Certification number | 1293-CPR-0419 |
| Year of CE marking | 14 |
| Benefit statement number | 010_TFM21 |
| Certification body | EVPU |
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