Ulvac UTM1600 Series, Instruction Manual

Page: 73 / 108

6.8 Communication Specifications
59
6
6.8
Communication Specifications
6.8.1 RS-232C
6.8.1.1 Transfer Specifications
6.8.1.2 Connector Specifications
6.8.1.3 CABLE
(1) Cable connection
Use the connection cable as shown in Fig. 6-5 to connect the turbo molecular pump and
computer. (Number on figure is pin number of connector.)
(2) Cables used
For connection with this connector, the communication cable with shield is necessary.
The shield of the cable should be connected to case.
Interface RS-232C
Synchronous system Asynchronous
Transmission rate 9600 bps (fixed)
Character configuration
Start bit : 1
Data bits : 8
Parity : None
Stop bit : 1
Flow control None
Connector SERIAL connector (shared with RS-485)
Connector type Circular type connectors
Pin assignment
1 : RD (Received data)
2 : SD (Sent data)
3 : SG (Signal ground)
* Do not connect any other pins except for the above-mentioned.