Edwards SCU-350 Series

SCU-350 Series Control Unit for Turbomolecular Pump
MT-21E-201-E
Page 51
4
OPERATION
(2)
+
(14)
-
(3)
+
(15)
-
(4)
+
(16)
-
(1)
(13)
24VDC
0VDC
24VDC
0VDC
24VDC
0VDC
A. STP control unit E. RESET signal input pins
B. Coil of relay CR3 F. START signal input pins
C. Coil of relay CR1 G. STOP signal input pins
D. Coil of relay CR2 H. Not used
Figure 30 - CON4 remote input signal connector
Figure 30 shows rated coils for relays CR1, 2 and 3 in Table 12.
Rated voltage Rated current
24 V DC 8.3 mA
Table 12 - Rated coils for relays CR1, 2 and 3
A
B
C
D
E
F
G
H