Wiring Instructions; Wiring Example: Pressure Sensor At Analog Input 1 - Bosch Rexroth VT-HMC 1X Series Operating Instructions Manual

XG20 )
Signal Pin Pin
Vencoder_ANA a1 b1
(U )
B
Ai1+ a2 b2
AI2+ a3 b3
AI3+ a4 b4
AI4+ a5 b5
Ao1 a6 b6
Ao2 a7 b7
Di1 a8 b8
Di3 a9 b9
Do1 a10 b10
R- a11 b11
CLK–/A– a12 b12
Data–/B– a13 b13
+5Venc a14 b14
Vencoder_SSI a15 b15
(U )
B
1) Wire current inputs (Cin) for XG20/XG21 only to pin b2 ... b5, leave pin a2... a5 unconnected.
2) Only for 2-axis variant XG20 and XG21 may be interchanged. The scope of delivery of the 2-axis variant contains keying elements.
Their use is described above.
Current input
7.3.8

Wiring instructions

XG20
PIN1
Signal
Di1
Di2
AGND
Di3
Di4
Ai1–/Cin1
1)
Do1
Ai2–/Cin2 1)
Do2
Ai3–/Cin3 1)
Vssi
Vana
Ai4–/Cin4 1)
AGND
AGND
Di2
Di4
Do2
R+
CLK+/A+
Data+/B+
GND
GND
Fig. 7: Connector pinout
The pinout of connections XF20, XF21, XD1, and XF30 can be found in data sheet
30239.
7.3.9

Wiring example: Pressure sensor at analog input 1

Sensor
U (24 VDC)
B
OUT 4 - 20 mA
Fig. 8: Sensor supplied by VT-HMC...1X (2-conductor)
Sensor
U (24 VDC)
B
OUT 4 - 20 mA
GND
Fig. 9: Sensor supplied by VT-HMC...1X (3-conductor)
Installation | Digital axis control VT-HMC...1X
XG21 )
XG21
PIN1
Signal
Di5
Di6
Vencoder_ANA
Di7
(U
Di8
Ai5+
Do3
Ai6+
Do4
Ai7+
Vssi
Vana
Ai8+
Ao3
Ao4
Di5
Di7
Do3
CLK–/A–
Data–/B–
+5Venc
Vencoder_SSI
(U
n.c.
a1
n.c.
a2
b2
b1*
RE 30239-B, Edition 01.2021, Bosch Rexroth AG
Pin Pin Signal
a1 b1 AGND
)
B
a2 b2 Ai5–/Cin5
a3 b3 Ai6–/Cin6
a4 b4 Ai7–/Cin7
a5 b5 Ai8–/Cin8
a6 b6 AGND
a7 b7 AGND
a8 b8
a9 b9
a10 b10
R- a11 b11
a12 b12 CLK+/A+
a13 b13 Data+/B+
a14 b14
a15 b15
)
B
VT-HMC
V
a1
encoder_ANA
a2 Ai1+
b2 Cin1
VT-HMC
V
encoder_ANA
Ai1+
Cin1
AGND
23/36
1)
1)
1)
1)
Di6
Di8
Do4
R+
GND
GND