SFA-5000 • SFA-10000 EtherCAT
M12
BUS IN & BUS OUT
POWER
(frontal side)
D coding
A coding
female
male
Pin
Description
Description
1
Tx Data +
+10Vdc +30Vdc
2
Rx Data +
n.c.
3
Tx Data -
0Vdc
4
Rx Data -
n.c.
n.c.= not connected.
4.2 Network configuration: topologies, cables, hubs, switches -
Recommendations
Cables and connectors comply with the EtherCAT specifications. Cables are CAT-
5 shielded cables.
Line, tree or star: EtherCAT supports almost any topology. The bus or line
structure known from the fieldbuses thus also becomes available for Ethernet,
without the quantity limitations implied by cascaded switches or hubs.
The Fast Ethernet physics (100BASE-TX) enables a cable length of 100 m (328 ft)
between two devices. Since up to 65,535 devices can be connected, the size of
the network is almost unlimited.
The Ethernet protocol according to IEEE 802.3 remains intact right up to the
individual device; no sub-bus is required. In order to meet the requirements of a
modular device like an electronic terminal block, the physical layer in the
coupling device can be converted from twisted pair or optical fiber to LVDS
(alternative Ethernet physical layer, standardized in [4.5]). A modular device can
thus be extended very cost-efficiently. Subsequent conversion from the
backplane physical layer LVDS to the 100BASE-TX physical layer is possible at
any time – as usual with Ethernet.
For a complete list of the available cordsets and connection kits please refer to
the product datasheet (“Accessories” list).
4.3 Addressing
It is not necessary to assign a physical address to the device because the
addressing of the Slave is automatic at power-on during the initial scanning of
the hardware configuration.
The field for addressing is 32-bit long, there are three kinds of addressing:
MAN SFA_5000_10000_EC E 1.0.odt
4 - Electrical connections
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