TBX: general installation rules
Base unit configuration Section 2.10
Base unit configuration
Subject of this section
This section presents the configuration for TBX TOR IP20 and IP65 base units.
What Is in This Section?
This section contains the following topics:
Topic
Configuring IP65 discrete base units (leakage current)
Access to dip-switches SW1 and SW2 (IP20 discrete base units)
Configuring dip-switch SW1 (IP20 discrete base units)
Configuring dip-switch SW2 (IP20 discrete base units)
Page
116
117
118
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TBX: general installation rules
Configuring IP65 discrete base units (leakage current)
General
NOTE: The sensor has a leakage current of between 0.45 mA and 1 mA.
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TBX: general installation rules
Access to dip-switches SW1 and SW2 (IP20 discrete base units)
General
The following drawing shows the location of the dip--switches SW1 and SW2 on TBX discrete IP20 base units.
Procedure to follow
The following table describes the procedure for accessing the dip-switches SW1 and SW2 located on the electronic board.
Stage
1
2
Action
Unplug the terminal block from the base unit ( see page 94 ) .
Open the access hatch on the electronic board, pivoting it towards the back
(opposite side to the terminal block).
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TBX: general installation rules
Configuring dip-switch SW1 (IP20 discrete base units)
Configuration
The dip-switch SW1 enables regulation of the leakage current according to the sensor used:
Leakage current (natural or induced)
The sensor has a leakage current between 0.45 mA and 1 mA.
The sensor has a leakage current between 1 mA and 1.8 mA.
SW1 position
ON
OFF
The following table shows the different possibilities.
Type of sensor
2 wire proximity sensor with leakage current between
0.45 mA and 1 mA.
SW1 External adaptation Illustration
ON No adaptation.
2-wire proximity sensor with leakage current between
1 mA and 1.8 mA.
OFF No adaptation.
Limit switch reference XCM-
A1102 P2A.
OFF No adaptation
(Limit switch 2 fitted with 15 kΩ resistor connected to the open contact.).
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Type of sensor
Limit switch reference XCK-
J161••• fitted with a
ZCK-J82A module.
SW1 External adaptation Illustration
OFF No adaptation.
TBX: general installation rules
Volt free contact or
3 wire proximity sensor with induced leakage current between 0.45 mA and 1 mA.
Volt free contact or
3 wire proximity sensor with induced leakage current between 1 mA and
1.8 mA.
ON Installation of a
33 kΩ +-5 % resistor in parallel with the 24 V sensor terminals.
OFF Installation of a
15 kΩ +-5 % resistor in parallel with the 24 V sensor terminals.
NOTE: the permissible open line resistance is:
500 kΩ with SW1 in the ON position,
200 kΩ with SW1 in the OFF position,
NOTE: for each of the channels, the wiring check function may or may not be enabled, which makes it possible to use sensors both with and without a leakage current.
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Configuring dip-switch SW2 (IP20 discrete base units)
Configuration
The dip-switch SW2 enables regulation of the input filtering time:
Filter
5 ms fast filter
35 ms normal filter
SW2 position
ON
OFF
NOTE: when replacing a base unit which is configured with input wiring check on site, do not forget to configure SW1 and SW2 on the new base unit, before restarting the application.
The respective positions of SW1 and SW2 determine the maximum length permitted between the wiring check modules and the sensors.
SW1 in the ON position:
Max. length without 50 Hz coupling
Max. length (240 VAC coupling)
Max. length (24 VAC coupling)
SW2 ON
500m
10 m
100 m
SW2 OFF
500 m
200 m
500 m
SW1 in the OFF position:
Max. length without 50 Hz coupling
Max. length (240 VAC coupling)
Max. length (24 VAC coupling)
SW2 ON
500 m
35 m
350 m
SW2 OFF
500 m
200 m
500 m
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TBX: fault processing
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Processing faults in TBX distributed I/O modules Chapter 3
Processing faults in TBX distributed I/O modules
Subject of this chapter
This chapter presents the processing of hardware faults related to TBX distributed I/O modules.
What Is in This Chapter?
This chapter contains the following sections:
Section
3.1
3.2
Description of the indicator lamps
Fault-finding
Topic Page
122
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