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Connecting
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18
6.3.1
Activating/Deactivating of RS485 Termination and Biasing
RS485 Termination
The TBEN-S2 module is provided with one internal bus termination resistor per COM port which can
be activated or deactivated via the parameter "Termination active" (s.
). In the default setting
the internal termination is activated. The termination can also be done externally. The internal ter-
mination has to be deactivated if an external termination is used.
The termination at TBEN-S2-2COM-4DXP is necessary, if the device is mounted at the beginning or
the end of the RS485 line. When building up an RS485 line topology a terminating resistor (e.g.
RSE57-TR2/RFID) has to be set at the other end of the RS485 line.
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. The accessories are not part of the scope of delivery.
Biasing
Activating the biasing function suppresses undefined signal levels on both signal lines in the RS485
network by means of a bias resistor.
In the TBEN-S2-2COM-4DXP the biasing is is done with a biasing resistor of 600 W.
The biasing function can be activated or deactivated via the parameter "Biasing active" s.
the default setting the biasing function is activated.
We recommend to activate the biasing function, if the TBEN-S2-2COM-4DXP is mounted at the
beginning or the end of the RS485.
Fig. 20: RS485 termination and biasing
Содержание TBEN-S2-2COM-4DXP
Страница 2: ...2 Hans Turck GmbH Co KG T 49 208 4952 0 F 49 208 4952 264 more turck com www turck com...
Страница 10: ...Notes on the Product Hans Turck GmbH Co KG T 49 208 4952 0 F 49 208 4952 264 more turck com www turck com 4...
Страница 12: ...For Your Safety Hans Turck GmbH Co KG T 49 208 4952 0 F 49 208 4952 264 more turck com www turck com 6...
Страница 26: ...Connecting Hans Turck GmbH Co KG T 49 208 4952 0 F 49 208 4952 264 more turck com www turck com 20...
Страница 93: ...87 2018 03 The device is added to the project tree Fig 44 TBEN S2 2COM 4DXP in the project tree...
Страница 122: ...Commissioning Hans Turck GmbH Co KG T 49 208 4952 0 F 49 208 4952 264 more turck com www turck com 116...
Страница 134: ...Configuring and Parameterizing Hans Turck GmbH Co KG T 49 208 4952 0 F 49 208 4952 264 more turck com www turck com 128...
Страница 152: ...Operating Hans Turck GmbH Co KG T 49 208 4952 0 F 49 208 4952 264 more turck com www turck com 146...
Страница 154: ...Troubleshooting Hans Turck GmbH Co KG T 49 208 4952 0 F 49 208 4952 264 more turck com www turck com 148...
Страница 157: ...151 2018 03 Click Firmware Download to start the firmware update Fig 78 Starting the firmware update...
Страница 160: ...Repair Hans Turck GmbH Co KG T 49 208 4952 0 F 49 208 4952 264 more turck com www turck com 154...
Страница 161: ...155 2018 03 13 Disposal The devices must be disposed of correctly and must not be included in normal house hold garbage...
Страница 162: ...Disposal Hans Turck GmbH Co KG T 49 208 4952 0 F 49 208 4952 264 more turck com www turck com 156...
Страница 166: ...Technical Data Hans Turck GmbH Co KG T 49 208 4952 0 F 49 208 4952 264 more turck com www turck com 160...
Страница 170: ...Appendix Hans Turck GmbH Co KG T 49 208 4952 0 F 49 208 4952 264 more turck com www turck com 164...
Страница 171: ...30 subsidiaries and over 60 representations worldwide www turck com D301439 2018 03 D301439...