Johnson Controls DT-9100-8104 Installationsdatenblatt Seite 4

Cabling of
Permanently
Mounted
Device
Establishing a
Direct
Connection to
the DX
Controller
4 Installation Guide—DX LCD Display
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Figure 5 shows an overview of the connections that must be made to
the DX LCD Display to supply it with power and allow it to
communicate with the DX controller.
See Figure 5:
To establish a connection to a DX controller:
1. Lift the flap covering the connectors on the back of the DX LCD
Display, as shown in Figure 6.
See Figure 6:
2. The serial communications cable has a telephone-type connector
on each end. Plug the telephone-type connector on one end of the
serial communications cable into the phone jack labeled RS232
INPUT on the DX LCD Display (see Figure 7).
See Figure 7:
3. Plug the telephone-type connector on the other end of the serial
communications cable into the 9-pin adapter marked "DX/PC".
Plug the "DX/PC" adapter into the RS-232C serial port socket
located on the base of the DX controller, as shown in Figure 5.
4. If required, wire the alarm contacts (pins 94-96) to the external
annunciation device (alarm horn). The circuit voltage must not
exceed 35V AC/DC.
5. The 24 VAC supply voltage already available at the DX controller
can be used to power the DX LCD Display. Wire a supply voltage
cable to pins 91-93 using the 24 VAC pin assignments shown in
Figure 7.
To extend the Serial Cable with Line Drivers, refer to the DX LCD
Display, Version 3, DT-9100-8104 Technical Bulletin (MN-9100-2123)
or (FAN 636.4, FAN 1628.4).
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Connections to the Permanently Mounted
DX LCD Display
Connector Location
Connectors