Pfeiffer, TC 400, Electronic Drive Unit, Operating_Instructions
Pfeiffer, TC 400, Electronic Drive Unit, Operating_Instructions
Pfeiffer, TC 400, Electronic Drive Unit, Operating_Instructions
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Connection "RS485"<br />
6 Connection "RS485"<br />
6.1 Connections<br />
A <strong>Pfeiffer</strong> Vacuum display and control panel (DCU or HPU) or an external PC can be<br />
connected to the electronic drive unit via the connection designated "RS485". The<br />
interface is electrically isolated from the maximum supply voltage of the electronic<br />
drive unit. The electrical couplings are optically decoupled internally.<br />
Désignation<br />
Valeur<br />
Interface série<br />
RS485<br />
Vitesse de transmission<br />
9600 bauds<br />
Longueur d'un mot de données 8 bits<br />
Parité<br />
aucune (no parity)<br />
Bits de départ 1<br />
Bits d'arrêt 1..2<br />
5 Pin Assignment<br />
1 2 1 RS485: D+<br />
2 +24 V output, loadable with ≤ 210 mA (with remote - pin 1)<br />
3 GND<br />
4 RS485: D-<br />
4 3<br />
5 not connected<br />
6.2 Connecting <strong>Pfeiffer</strong> Vacuum display and control units or PC<br />
Use the connection cable supplied with the control panel or from the range of<br />
accessories.<br />
The connection of respectively one external operating unit is possible on the interface<br />
RS 485.<br />
A USB interface (PC) can be connected via the USB/RS485-converter.<br />
USB/RS485-converter<br />
DCU 310 / <strong>400</strong><br />
<strong>TC</strong> <strong>400</strong> / TM 700<br />
DCU 002<br />
RS485<br />
HPU 001<br />
Fig. 3:<br />
Optional connection possibilities for interface RS485<br />
12
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