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Tender text "Overvoltage protection for Data systems”
RS485 signals
Overvoltage protection in wall mounted housing K21 for Data systems with RS485 Interface. Integrated 4-wire protective circuit for the data interface with high-speed suppression diodes and the possibility for high impedance earthing via a gas discharge tube.
Technical data:
2 x RS485 signals up to max.12V
Baudrate: < 6 MBd
Ordering data:
Make: Weidmüller
Surface-mounted housing with
interface protection : K21 (length: 125mm, width: 80 mm, height : 57mm)
With 5 PG screw fittings
Order No. 8008501001
Type : RS485 protection
RS485 signals
Overvoltage protection in plug-in housing LPU for data terminal equipment with RS 485 interface . Integrated 2-wire protective circuit for the data interface with high-speed suppression diodes and the possibility for high impedance earthing via a gas discharge tube .
Technical data:
RS485 signals up to max.12V
Baudrate: < 9600 Bd
Ordering data:
Make: Weidmüller
Order No. 9454930000
Type : RS485 protection
Accessories : housing SEG-U 8007871001
EIB signals
Overvoltage protection in slim terminal housing (6mm) with PE contact and spring clamp connection in sizes 0.5 to 1.5mm². The PE connection is made by snapping onto an earthed 35mm mounting rail .
The EIB bus is protected using gas discharge tubes connected between the lines and to earth.
Technical data:
Max. rated voltage: 90Vdc
Resistance per path: 0.2 ohms
Discharge current, Imax (8/20µs) : 10 kA
Protection level on output side, symmetric
For 1 kV/µs pulse at input, typical: 700V
Ordering data:
Make: Weidmüller
Order No. 8449130000
Type : MCZovp gas discharge tube
LON signals
Overvoltage protection in slim terminal housing (6mm) with PE contact and spring clamp connection in sizes 0.5 to 1.5mm². The PE connection is made by snapping onto an earthed 35mm mounting rail . The LON signal (FTT or TP78) is protected using high-speed suppression diodes connected between the lines and to earth.
Technical data:
Max. rated voltage: +-12V
Resistance per path: 0.5 ohms
Protection level on output side, symmetric
For 1 kV/µs pulse at input, typical: 30V
Damping, typical: < 5db
Ordering data:
Make: Weidmüller
Order No. 8473470000
Type : MCZovp LON
Accessories for LON
Termination for LON in terminal block DK4 (width 12mm) .
The LON network can be terminated with jumpers; LP BUS, LP FREE or TP / XF can be connected.
Technical data:
Max. rated voltage: 48V
Resistance per path: 0.5 ohms
Ordering data:
Make: Weidmüller
Order No. 8496110000
Type : Dialoc Term
RS232
Overvoltage protection in installation housing (22.5mm) and screw terminal in sizes 0.5 to 1.5mm². The RS232 signal (RxD, TxD, GnD) is protected using gas discharge tubes and high-speed suppression diodes connected between the lines and to earth.
Technical data:
Max. rated voltage : 12-14.5V
Resistance per path: 1.3 ohms
Protection level on output side, symmetric
For 1 kV/µs pulse at input, typical: 20V
Baudrate 9600 bd
Ordering data:
Make: Weidmüller
Order No. 1170460000
RS232
Overvoltage protection in the adapter plug (25-pole D-sub). The RS232 signals and the handshake lines are protected using gas discharge tubes connected to PE and high-speed suppression diodes connected between the lines.
Technical data:
Max. rated voltage : 12-14.5V
Protection level on output side, symmetric
For 1 kV/µs pulse at input, typical: 20V
Baudrate 19200 bd
Ordering data:
Make: Weidmüller ZS RS 232/B-S
Order No. 8570500000
Make: Weidmüller ZS RS 232/S-B
Order No. 8570510000