| Device name | TFM420MA |
| Description | Module 2 entries 4-20mA |
| Communication protocol | FIRE-SPEED |
| Address | 2 rotary selectors |
| Busy addresses | 1 address for each entry (máx.2) |
| Frequency of interrogation | 2 levels |
| Communication WITNESS | Signaling that can be excluded |
| Performance criteria | 4 |
| Pre-alarm threshold (mA) | Programmable |
| Alarm threshold (mA) | Programmable |
| Power | From loop |
| Nominal voltage | 24VDC |
| Operating voltage | 18V...30VDC |
| Standby absorption | 410µA @ 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) |
| External power supply | Range from 18 to 30V DC |
| Power output +SENS | Max. absorption. total 500mA |
| Inputs 4-20 | Max. current. sensor output 70mA |
| Input nominal impedance | 152 ohm (to ground) |
| 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 |
| Certificate of homologation | 1293-CPR-0491 |
| Year of CE marking | 15 |
| Benefit statement number | 012_TFM420MA |
| Certification body | EVPU |
Addressable module of 2 inputs for 4-20mA supervised devices, individually identified by the System, occupies maximum 2 addresses. Programmable functions: prealarm for each threshold, independent programming of Prealarm and Alarm thresholds, 4 operating criteria: alarm, silence, reset and none, 2 status repeater outputs input and 2 status signaling LEDs.
Complete RSC® device management: programming, remote management and control of all operating parameters.
Surface or DIN mounting (TFDIN accessory).
EN 54-18: 2005/AC: 2007 - EN 54-17: 2005.
Approval certificate 1293-CPR–0491.