34
Connecting devices via a cable connection
If radio connections are not allowed or blocked, the
devices can be connected via communication cable.
The maximum cable length between two devices is
25 m.
z
Switch on the Dräger X-zone 5000 (refer to
“Switching on the instrument” on page 29).
z
Plug the communication cable into the charging port/
RS485 connection (1) on the rear side of the device.
z
Connect the end of the communication cable to the
switch relay/RS485 connection (2) of the second
device.
z
If required, connect further devices via
communication cable as described above.
Pin configuration XEXT1 / XEXT2 on the device:
XEXT2 (male)
RS485
1
PLUS
2
MINUS
3
GND
Relay output
4
Normally Closed (NC)
5
Normally Open (NO)
6
Change Over (CO)
7
Not connected
8
Not connected
XEXT1 (female)
RS485
1
PLUS
2
MINUS
3
GND
Charger
4
Charging voltage (U
In
)
5
Charging voltage GND (GND2)
CAUTION
Before positioning the devices, a bump test (refer to
“Carrying out a bump test” on page 30) must be
conducted on every device.
CAUTION
Only Dräger X-zone 5000 devices should be connected
via socket-contacts XEXT1 and XEXT2. Always
connect XEXT1 to XEXT2!
NOTICE
Due to widely differing customer-specific requirements,
Dräger does not provide any communication cables.
All relevant cable parameters are described in this
chapter.
NOTICE
Combined wireless and cable operation is possible.
– The data transmission LEDs of the
coupled devices are lit in green.
WARNING
If the data transmission LED is lit in red, check the
cable connection.
012331
12.eps
2
1
013331
12.eps
NOTICE
Dräger recommends performing a connection test
(refer to “Carrying out a connection test” on page 31)
after positioning all the devices.
021331
12.eps
1
7
6
2
5
3
4
6
7
1
5
2
4
3
XEXT2
XEXT1
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