Data Input/Output Serial Line (Ais) - Koden MDC-1840BB Operation Manual

MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series
Operation Manual

10.4.4 Data input/output serial line (AIS)

Port name: AIS
The connector used:
Type LTWD-08PMMP-LC
Serial Data input (listener side):
The IEC61162-1 standard signal can be received
Input load: 94 ohms
Device: RS422 Driver/Receiver IC
Type LT1791CS (Linear Technology)
Serial Data output (talker side):
The IEC61162-1 standard signal can be transmitted.
Device: RS422 Driver/Receiver IC
Type LT1791CS (Linear Technology)
Pin assignment on
Data Connector (Top view)
1
2
3
93142122-07
7
6
8
5
4
Technical References
A Data Input
IN-A
B Data Input
.
IN-B
Isolated from ground
Serial data input circuit
Isolated from ground
Serial data output circuit
Data connector pin assignment
DATA 1,2 & 3
Pin No. Name
1 Shield
2 IN-B
3 IN-A
4 OUT-B
5 OUT-A
6 GND
7 ALARM+
8 ALARM-
Chapter 10
LT1791CS
TX Data Output
LT1791CS
OUT-A
OUT-B
10-11