User Connections To The Main Serial Port (P1); Dil Switch (Sw1) Settings - Siemens Apogee P1 Technical Manual

Communications option
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Siemens APOGEE P1 Communications Interface

User Connections to the Main Serial Port (P1)

The serial port on the Option allows the following APOGEE P1 links to be made.
Electrical Connections
Number of transmitters and transceivers
allowed per differential pair of wires
Maximum cable length
Technology Box
Figure 1 Option showing Terminal Block TB1 and DIL Switch SW1

DIL Switch (SW1) Settings

Set this switch to select 2-wire operation, and to select "terminator out".
Switch
Status
1
OFF
ON
2
OFF
ON
All units in the system must have switch 2 set to OFF. Siemens personnel will add
terminators if needed to the FLN.
2-wire
differential
32 transceivers
4000ft/1200 metres
6053
Terminal Block
Switch SW1
PLG1
1
1
1 2 3 4 5 6
2
2
1
BI SYNCH
Description
unused
2-wire (default)
Terminator out (default)
Terminator in
RS485
6055
Technology Box
TB1
OFF
3
Switch SW1
ON
1
2

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