Edwards SCU-350 Series

SCU-350 Series Control Unit for Turbomolecular Pump
MT-21E-201-E
Page 15
3
INSTALLATION
3.3 Rear panel
13 AC POWER CON1 17 I/O TB1 terminal block
14 MAIN POWER breaker 18 I/O TB2 terminal block
15 P.CONNECTOR CON2 19 CON4 (for SCU-350H/350HA only)
16 Ground terminal 20 CON3 (for optional accessory)
Figure 10 - SCU-350 rear panel
WARNING
A hazardous live voltage may exist at the connectors that are marked with the
warning sign . DO NOT touch the terminal. Doing so may result in electric shock.
When connecting/disconnecting the connecter, always power off the SCU-350 (turn
the MAIN POWER "OFF") and isolate (Lockout/Tagout) the electrical energy source,
water and gas, and other energy sources on the vacuum equipment.
Item Description Function
13 AC POWER CON1 Main power connection (240 Va.c. maximum)
14 MAIN POWER breaker Main power circuit breaker
15 P.CONNECTOR CON2 STP pump connection (80 Va.c. maximum)
16 Ground terminal Ground (Earth) connection terminal
17 I/O TB1 terminal block For remote output signals (240 Va.c. maximum)
18 I/O TB2 terminal block For remote input signals (240 Va.c. maximum)
19 CON4
(for SCU-350H/350HA only)
For STP-200/300/400 series compatible remote input /
output connector (125 Va.c. maximum)
20 CON3 (for optional accessory) For RS232 serial communication connector
Table 3 - SCU-350 rear panel function
14
13
19
18 15
20
16
17