Honeywell ESSER Serial essernet Interface SEI1 - Interface Module RS232;V.24 (Part No. 772386)

Serial essernet
®
interface (SEI1)
FB 798819 / 05.18 61
10.4.2 Interface module RS232/V.24 (Part No. 772386)
CTS
RxDRTS
TxD
GND
+
-
+
-
+
-
+
-
Interface
module
max. 15m
D-Sub
connector
Service-PC
Fig. 16: Wiring schematic
Standard wiring of the serial PC interface
Service PC SEI1 terminals
25 pin 9 pin Signal Description
--- 05 GND Screen / Ground
03 02 TxD+ Transmit data (on SEI1 PCB)
02 03 RxD+ Receive data (on SEI1 PCB)
07 --- GND Screen / Ground
• 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!