Bosch Rexroth VT-HMC 1X Series - Wiring instructions; Wiring Example: Pressure sensor at analog input 1

RE 30239-B, Edition 01.2021, Bosch Rexroth AG
Installation | Digital axis control VT-HMC...1X 23/36
7.3.8 Wiring instructions
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
Fig. 8: Sensor supplied by VT-HMC...1X (2-conductor)
Fig. 9: Sensor supplied by VT-HMC...1X (3-conductor)
XG20
)
Signal Pin Pin Signal
Vencoder_ANA
(U
B
)
a1 b1 AGND
Ai1+ a2 b2
Ai1–/Cin1
1)
AI2+ a3 b3 Ai2–/Cin2
1)
AI3+ a4 b4 Ai3–/Cin3
1)
AI4+ a5 b5 Ai4–/Cin4
1)
Ao1 a6 b6 AGND
Ao2 a7 b7 AGND
Di1 a8 b8 Di2
Di3 a9 b9 Di4
Do1 a10 b10 Do2
R- a11 b11 R+
CLK–/A– a12 b12 CLK+/A+
Data–/B– a13 b13 Data+/B+
+5Venc a14 b14 GND
Vencoder_SSI
(U
B
)
a15 b15 GND
XG21
)
Signal Pin Pin Signal
Vencoder_ANA
(U
B
)
a1 b1 AGND
Ai5+ a2 b2 Ai5–/Cin5
1)
Ai6+ a3 b3 Ai6–/Cin6
1)
Ai7+ a4 b4 Ai7–/Cin7
1)
Ai8+ a5 b5 Ai8–/Cin8
1)
Ao3 a6 b6 AGND
Ao4 a7 b7 AGND
Di5 a8 b8 Di6
Di7 a9 b9 Di8
Do3 a10 b10 Do4
R- a11 b11 R+
CLK–/A– a12 b12 CLK+/A+
Data–/B– a13 b13 Data+/B+
+5Venc a14 b14 GND
Vencoder_SSI
(U
B
)
a15 b15 GND
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.
XG20
XG21
Analog IO
PIN1
Di5
Vssi
Do3
Di8
Di7
Di6
Do4
Vana
Di1
Vssi
Do1
Di4
Di3
Di2
Do2
Vana
PIN1
Digital IOSSI / INC
Current input
a1
a2
b2
n.c.
V
encoder_ANA
Ai1+
Cin1
VT-HMCSensor
U
B
(24 VDC)
OUT 4 - 20 mA
V
encoder_ANA
a1
a2
n.c.
b2
b1*
Ai1+
Cin1
AGND
VT-HMCSensor
U
B
(24 VDC)
OUT 4 - 20 mA
GND