Siemens SIMOREG DC Master 6RA7028-6DS22 Operating Instructions Manual page 134

Connections
Open-loop and closed-loop control section
Terminal type: X171 to X175
Analog inputs - setpoint inputs, reference voltage (see also Section 8, sheet G113)
Function
Reference M
P10
N10
Select input main setpoint +
main setpoint –
Select input analog 1 +
analog 1 –
Analog inputs - actual speed inputs, tacho inputs (see also Section 8, sheet G113)
Function
Tacho connection 8V to 270V
Ground analog M
6-56
XR, XS, XT
Terminal
X174
1
2
3
4
5
6
7
Terminal
XT
103
104
Plug-in terminal (screw-type)
Maximum connection cross-section 1.5mm
MSTB2.5 plug-in terminal
Maximum connection cross-section 2.5mm
Connection values/Remarks
±1% at 25°C (stability 0.1% per 10°K); 10mA short-
circuit-proof
Differential input
Parameter settings: ±10V; 150kΩ
Resolution can be parameterized up to approx. 555µV
(±14bits)
Parameter settings: 0 - 20mA; 300Ω
Common mode suppression: ±15V
Connection values/Remarks
±270V; >143kΩ
2
2
4 - 20mA; 300Ω
Siemens AG
SIMOREG DC Master Operating Instructions
02.00
6RX1700-0AD76