Bosch FLM‑420‑I2‑E Guia De Instalacion página 11

Input Interface Module Type In-built
1 Safety Notes
Notice!
Installation must only be performed by authorized and specialized personnel.
Caution!
Electrostatic discharge (ESD)! Electronic components could become damaged.
Ground yourself using a wrist strap or take other suitable actions.
2 Functional Description
FLM-420-I2 Input Interface Module provides three monitoring functions:
–
–
–
For connection, see graphic 1.
Description
LSN: a1- | b1+ | a2- | b2+
LSN-POWER: 0 V | 0V | +24V | +24V LSN power supply (support points to loop through)
LSN-SHIELD
IN: IN1+ | IN1- | IN2+ | IN2-
Address setting is carried out using the 8 DIP switches and a suitable pointed object, see
graphic 2.
The FLM-420-I2-E Type In-built can be flush mounted in standard device boxes in accordance
with EN 60670 (e.g. in standard switch boxes), see graphic 3. Alternatively, it can be installed
in the devices, see graphic 4.
3 Technical specifications
Inputs, independent
LSN input voltage
Max. current consumption from LSN
Cable length per input
Permissible operating temperature / storage temperature -20°C to +65°C / -25°C to +80°C
Permissible rel. humidity
Protection class as per IEC 60529
Classes of equipment as per IEC 60950
Mechanical
Permissible wire diameter
Housing material and color
Dimensions (Ø x H)
Bosch Sicherheitssysteme GmbH
Monitoring a line with EOL resistor for standby or triggering (interruption/short circuit)
Monitoring a potential free contact for open and closed states
Voltage monitoring between 0 and 30 V DC.
Function
LSN b incoming | LSN b outgoing
Cable shielding (if present)
Input 1 | Input 2
2
15 to 33 V DC
10.4 mA
Max. 3 m
<96%, non-condensing
IP 30
III
0.6 to 2.0 mm 2
ABS + PC-Blend, signal white (RAL 9003)
Approx. 50 mm x 22 mm
Installation Guide
Safety Notes | en 11
2018.11 | 7 | F.01U.012.987