Connection Of Signal Lines; Connection Of Digital Input/Output; Connection Of Dc 24 V Output; Insertion Of Chart Paper - Siemens 7ND3121 Installationsanleitung

5.2 Design for Power Supply of AC 24 V or DC 24 V
The power supply cables for the AC 24 V or DC 24 V design must be connected to the
provided screw terminals (Fig. 9). The power supply cable must be secured on the
mounting lug using a cable clamp.
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Connection of Signal Lines

The signal lines must be connected to the screw terminals (Fig. 10) on the rear of the
recorder. Fig. 2 shows the basic types of connection. Further information can be found in
the Instruction Manual.
7

Connection of Digital Input/output

The pin assignments of the option 'Digital input/output' are shown in Fig. 11.
8

Connection of DC 24 V Output

The connection assignments of the option are shown in Fig. 1.
9

Insertion of Chart Paper

Please refer to the instructions in the leaflet "Operation – a concise overview".
10

Insertion of Writing System

Please refer to the instructions in the leaflet "Operation – a concise overview".
11

Parameterization of Recorder

The recorder is parameterized in the factory according to customer specifications. If the
parameter settings need to be changed, please refer to the instructions in the leaflet
"Parameterization – a concise overview". Further information can be found in the
Instruction Manual.
12

Adjusting the Recording System

The recording system is correctly set when delivered. All operations which can be carried
out by the user are described in the Instruction Manual.
12