Manual

Manual – TopCon TC.GSS
Analogue interface
Remote programming for current and voltage
7.2.4. Remote programming for current and voltage
If this set value setting is not required, these inputs can be left unconnected
or
connected
to the analoguereference
earth.
Fig. 62 Analogue set value specification using potentiometers -1-.
Analogue set value specification using external sources -2-.
Pin Analogue control Function
2
3
Voltage
set value
Current
set value
10kΩ
10kΩ
Voltage VREF
0…10 V or
0…10 kΩ
1
Current IREF
-10V …0…10 V
or 0…10 kΩ
1
6 +10VDC
2 VREF
3 IREF
1 AGND
Shield earthed
X105
Voltage
set value
Current
set value
Voltage Umax== Unom * [0.. 100%]
where VREF ≙ [0.. 100%]
Current Imax = Imax * [-100% … 0 ...100%]
where IREF ≙ [-100% … 0 ... 100%]
Table 44 Factory pin definition and value range for the manipulated values VREF and IREF.
1 Only positive set values can be specified with a resistor (0 … 10 KΩ).
2011-10-18 123 / 298 V00.05b
=
=
2
7
6 +10VDC
2 VREF
X105
3 IREF
1 AGND
Shield earthed