
Appendix A: Technical Drawings
iv. Cabling Diagram
VT200/220 Technical Manual, Rev 1.00.01
82
Doc
#
TM-VT200/220-EN
iv. Cabling Diagram
Network
Biasing
Resistors
Chassis
Earth
470R
150R
470R
A
B
RT
+V
White
Brown
Shield
Slave #1
(VT x00)
Slave #2
(VT x00)
(Up to 30
slaves)
…
Slave #30
(VT x00)
A
B
A
B
A
B
RT
120R
Termination
Resistor
2X0.34mm
2
twisted pair shielded
Max cable length: 1000m
RS485A
C
ABLE
C
ONNECTIONS
Power &
Setpoints
Connector
3
4
7
5
6
I
1
C
I
C
O
O
2
O
1
Input 1
Tilt Switch
Output 1
Output 2
Fuse
Digital
Outputs
Imax=100m
+
+
+
+
- -
-
-
L
O
A
D
L
O
A
D
Power
Supply
9-24VDC
Power
Supply
24VDC
D
IGITAL
O
UTPUTS
&
T
ILT
C
ONNECTIONS
To VTx00
RS232
Connector
To VTx00
RS232
Connector
Printer DB25 Male
P
RINTER
&
PC
C
ABLES
DB9
Metal
Case
3
5
2
3
5
2
DB9
fem
DB9
Metal
Case
DB9
fem
Shield
TX GRN
GND BRN
DTR WHI
Shield
TX GRN
GND BRN
DTR WHI
GRN RX
BRN GND
WHI
DTR
GRN RX
BRN GND
WHI
DTR
RX
GND
TX
RX
GND
DTR
3
7
20
2
5
3
3
7
2
3
7
2
Printer DB25 Male
OR
To
Serial
Printer
DB9 FEM
OR
Max 15m
Max 15m
To
PC
DB25 Female
Master