Interface Module Tty / Cl 20 Ma (Part No. 772387) - Honeywell ESSER essernet SEI1 Bedienungs- Und Installationsanleitung

®
Serial essernet
10.4.1

Interface module TTY / CL 20 mA (Part No. 772387)

Interface
module
Fig. 14: Wiring schematic
•
Line length between the external unit and the interface module should not
exceed max. 1000 m.
•
Observe permitted torque (max. 0.4 Nm) of the terminals!
Solder jumper for TTY mode
The solder jumper on the rear side of the SEI1 must be closed for TTY operation.
Solder jumper
closed : TTY interface module
open: RS232/V.24 interface module (default)
Fig. 15: Rear side SEI1 / Position of solder jumper
60
interface (SEI1)
Tx-
Tx+
max. 1000m
Rx-
Rx+
External device
FB 798819 / 05.18