SMAX MODBUS®
4 Electrical connections
WARNING
Power supply must be turned off before performing any electrical connection!
For any information on the mechanical data and the electrical characteristics of
the encoder please refer to the technical catalogue.
4.1 Connection scheme
WARNING
If wires of unused signals come in contact, irreparable damage could be caused
to the device. Please insulate them singularly.
Function
M8 cable
M12 8-pin
0Vdc power supply
1
Black
1
+10Vdc +30Vdc power supply
Red
2
A_RS485 IN
Yellow
3
B_RS485 IN
Blue
4
A_RS485 OUT
2
Green
5
B_RS485 OUT
2
Orange
6
n.c.
White
7
n.c.
Grey
8
Shield
Shield
Case
1 OVdc of the RS-485 serial line too.
2 In order to minimize cable reflections and ensure a defined noise level on the data
lines a 120
Ω
termination resistor must be provided between A_RS485 OUT and
B_RS485 OUT if the encoder is the last slave in the line. For any information refer to the
“4.5 Bus termination resistor” section on page 21.
4.1.1 M8 cable specifications
Model
: LIKA HI-FLEX sensor cable type M8
Wires
: 2 x 0.22 mm
2
+ 6 x 0.14 mm
2
(24/26 AWG)
Jacket
: Matt Polyurethane (TPU) halogen free, oil, hydrolysis,
abrasion resistant
Shield
: tinned copper braid, coverage
85%
Outer diameter
: 5.3 mm ÷ 5.6 mm (0.209” ÷ 0.220”)
MAN SMAX MB E 1.2
Electrical connections
19 of 84
