January 2008
2-6 Installation
Wiring The XDP Alarm
Relays - J3 (cont.)
3. Connect the XDP Low alarm as follows (this alarm is factory-
configured in failsafe mode, but may be reconfigured):
a. Connect pin #7 (NC) to the alarm device input.
b. Connect pin #8 (C) to the alarm device return.
c. Pin #9 (NO) is not used for fail-safe operation.
4. Connect the XDP Low-Low alarm as follows (this alarm is factory-
configured in failsafe mode, but may be reconfigured):
a. Connect pin #10 (NC) to the alarm device input.
b. Connect pin #11 (C) to the alarm device return.
c. Pin #12 (NO) is not used for fail-safe operation.
Proceed to the next section to continue wiring the XDP.
Wiring the XDP Analog
Output - J8
Terminal block J8 contains connections for the XDP’s analog output.
To wire this analog output, complete the following steps:
1. Connect pin #1 to positive input on the analog output device.
2. Connect pin #2 to the negative input on the analog output device.
3. Pin #3 has no connection.
Proceed to the next section to continue wiring the XDP.
Wiring the Optional Serial
Port - J4
Terminal block J4 contains connections for the XDP’s serial port. The
connections on terminal block J4 are optional, in that they are not
required for proper operation of the analyzer. To wire the serial port,
complete the following steps:
Note: This connection may be made with a GE Sensing
#704-668 cable. If this cable is used, pin #1 is the red wire, pin
#2 is the white wire, and pin #3 is the green wire.
1. Connect pin #1 to the transmit pin on the computer.
2. Connect pin #2 to the receive pin on the computer.
3. Connect pin #3 to the return pin on the computer.
Proceed to the next section to continue wiring the XDP.
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