Operating instructions
Connecting
6-44
© Siemens AG 2007 All Rights Reserved
SICLOCK
®
TC400
24 V voltage signal – high-resistance receiver (greater than 1.2 kOhm)
A high-resistance receiver can also be connected dir
ectly. The output then func-
tions as a 24 V voltage output.
Connection as in Fig. 6-6.
RS422
An RS422 interface is available at OUTPUT 3
for a high-precision point-to-point
connection. The connection is made as shown in Fig. 6-7.
Figure 6-7 OUTPUT 3 RS422
Table 6-4 OUTPUT 3 terminals
Terminal Designation
5OUTPUT 3A
6OUTPUT 3B
5
6
A
B
RS422










