Edwards STP-iXA4507 Series User Manual

STP-iXA4507 series Turbomolecular Pump
MT-91E-001-0
Page 62
SERIAL COMMUNICATION PROTOCOL
PAG
E
62
5
5.2 Connection and setting up
5.2.1 Signal connection
1. Serial Port COM2 (X2 COM2 connector)
The serial port COM2 is available for serial communication using RS232 or RS485 protocol. When
using a user application, connect it to this port.
Connect the connector X2 (D-Sub 9 pin, socket type) to a PC according to Table 16. Connect only
TxD / RxD / GND in the RS232 and D+ / D- in the RS485. DO NOT connect other pins which are
reserved for optional use. DO NOT use a commercially available straight cable to which all lines are
connected.
X2
(D-Sub 9 pin, socket)
RS232
2 (TxD)
3 (RxD)
5 (GND)
RS485
7 (D-)
8 (D+)
Reserved
1, 4, 6
*1
, 9
*1 Pin 6 of the connector X2 outputs 5 VDC for option units. DO NOT
connect pin 6. It may damage peripheral equipment, such as PC.
Table 16 - X2 pin assign
5
4
3
2
1
9
8
7
6
Figure 32 - X2 connector (D-Sub 9pin)
Note: The screws for locking a cable to the connector X2 are M2.6 screws.
The RS232 and RS485 on the X2 COM2 port cannot use simultaneously.
When connecting RS232, the length of a communication cable should be 15 m or less. When
connecting RS485, refer to Section 5.2.2.
2. STP-LINK (X5 connector)
The STP-Link (optional accessory) or the display unit iDT-002 (optional accessory) can be connected
to the X5 connector.

Edwards STP-iXA4507 Series Specifications

General

Brand	Edwards
Model	STP-iXA4507 Series
Category	Water Pump
Language	English