Edwards SCU-1601 - Page 89

SCU-1601 Control Unit for Turbomolecular Pump
MT-96E-1B1-0
Page 75
5
SERIAL COMMUNICATION PROTOCOL
2. Serial Port COM2 (exclusively used in the RS485)
Connect D+/D- to connector X7 on the rear panel (D-Sub 37pin, socket) according to Table 18. Other
pins are reserved for Input/Output remote function, accordingly, there is no connection to these pins.
Refer to Section 5.2.2.
X7
(D-Sub 37 pin, socket)
RS485
36 (D+)
18 (D-)
Table 18 - X7 pin position
Figure 40 - Connector X7 (D-sub 37)
Note: The connector X7 is fitted using M2.6 screws.
3. Serial Port STP-Link (exclusively used in the RS232)
Connect signal transmitted from the PC to connector X8 on the front panel. Connect the optional
STP-Link communication cable to the PC.
(19)
(18)
(2)
(1)
(37)
(36)
・・・・・
・・・
・・
(21)
(20)
・・・・・
・・・
・・