GESTRA SPECTORcontrol II, Original Installation & Operating Manual

Page: 15 / 32

15
Pin no. Signal Description
1 - -
2 CAN LOW Negative data signal
3 GND Signal ground
4 -
5 -
6 GND Signal ground
7 CAN HIGH Positive data signal
8 -
9 -
Housing Case Cable shield
CAN interface assignment 4
In the control cabinet: Connecting the SPECTOR control
CANopen devices are connected via the CAN interface.
Use a cable with D-subminiature connector (to DIN 41652) as the data cable.
Use a shielded, multi-core, twisted-pair control cable, e.g. UNITRONIC
® BUS CAN 2 x 2 x .. mm 2 or RE-
2YCYV-fl 2 x 2 x .. mm 2 , as the bus line.
Cable length Number of pairs and wire cross-section [mm
2
]
125 m 2 x 2 x 0.34
250 m 2 x 2 x 0.5
335 m 2 x 2 x 0.75
Other lengths available on request
Note
The type and preparation of the data cable have a considerable influence on the electro-
magnetic compatibility (EMC) of the SPECTOR control . Therefore, take special care during
connection.
■
Make sure wiring is in line, not in a star!
■
Route the data cable separately from power lines.
■
Use a central earth to prevent differences in potential between system parts.
■
Connect the bus cable shields such as to ensure electrical continuity, and connect to
the central earthing point (CEP).
■
If two or more system components are connected in a CAN bus network, install a
120 Ω terminating resistor (CAN LOW/CAN HIGH module) to the first and last units.
1 2 3 4 5 .
6 7 8 9 .
continued