Reliance electric PSC7000, Operating Instructions Manual

Page: 53 / 84

9-5
9.3 Analog Signal Input
The analog signal outputs a full scale voltage (command voltage value) within the +/-8V or
+/-10V range to inverters that run servomotors.
The interface circuit including the terminal block circuit is designed as below.
Full Scale
±8V output
47
Ω
CH* REF8
0.047uF
Photocoupler Isolation
D/A
Converter
Base voltage
3.0V
47
Ω
CH* /REF8
Full Scale
±10V output
47
Ω
CH* REF10
0.047uF
47
Ω
CH* /REF10
Fig.9-5 Interface Circuit for Analog Signal Output
9.4 Other Terminals of PG Module Terminal Block
In the following table is a list of terminals on the terminal block of the PG module other than
the PG signal input, mark signal input, origin point signal input and the analog signal output.
Table 9-2 List of Other Terminals of PG Module
Signals Terminals Descriptions
Control signal terminal
CS1 Reserved (for expansion of functions)
CS/1 Reserved (for expansion of functions)
CS2 Reserved (for expansion of functions)
CS/2 Reserved (for expansion of functions)
CS3 Reserved (for expansion of functions)
CS/3 Reserved (for expansion of functions)
Connection status check
CN CHK
A short circuit occurs between the two
terminals when the PG module is connected
to the PG module terminal block.
/CN CHK
Frame grounding FG（2 terminals）
Connected to the cable via the hood of the
cable connector.
Open No mark (5 terminals)
Not connected anywhere on the terminal
block. Do not use open terminals.