Omron DeviceNet CV Series Operation Manual page 242

B7AC Interface Units
Note
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Refer to the Catalog or manual for details on the device's connections before
connecting any device.
DRT1-B7AC
B7AC Interface Unit
10 inputs
Communications media
10 inputs
XS2W-D42@-@81-@ Cables
with shielded connector plugs
10 inputs
1. Refer to the OMRON Sensors Catalog (X42-E1-3) for more details on the
sensor connections and Round Waterproof Connectors.
2. A separate power supply cannot be connected to a B7AC Link Terminal
Unit to supplement the power from the B7AC Interface Unit's internal pow-
er supply.
3. Limit Switches, Proximity Switches, Photoelectric Switches, etc. (Sensors
with attached connectors, Pre-wired Sensors with connectors, and regular
Pre-wired Sensors can be used.
4. Tighten the connector by hand to a torque of 0.39 to 0.49 N ⋅ m. If the con-
nector is not tightened sufficiently, it will not provide the expected environ-
mental resistance and may come loose from vibration. Do not use pliers or
other tools to tighten the connectors, because the tools may damage the
connectors.
5. Always cap unused connectors with an XS2Z-12 Waterproof Cover or
XS2Z-15 Dust Cover, shown in the following diagram.
XS2Z-12 Waterproof Cover
The connector will meet IP66
standards if a Waterproof Cover is
attached. Tighten the connector by
hand to a torque of 0.39 to 0.49 N ⋅ m.
Maintaining Environmental Resistance
• The IP66 environmental resistance level will be lost if the surfaces where
the contact block and cover meet are subjected to excessive force. Pro-
tect the contact block and cover from excessive force or shock.
• The IP66 standard is lower than waterproof standards. Do not submerge
the system components.
• The body of the components is plastic resin. Do not place objects on the
components or allow the components to be stepped on.
B7AC-series
Sensors with
I/O Connector-type
attached connectors
Link Terminal Units
(See note 3.)
(10 points/Unit)
10 sensors
10 sensors
10 sensors
XS2Z-15 Dust Cover
Press the Dust Cover onto the
connector firmly. The Dust Cover
will protect the connector from dust,
but does not meet IP66 standards.
Section 5-5
225