CB (E7) 06/2018 Page 22/174
2.3 Control panel on the rear of the chamber
(2) (3) (4) (5) (9) (10) (11)
(1b) (6b) (7) (8)
Figure 5: Rear control panel CB with O
2
control and options
(1b) (2) (3) (4) (5) (9) (10) (11)
(6a) (8)
Figure 6: Rear control panel CB-UL with O
2
control and options
(1a) Socket for IEC connector plug / power cable 100-120 V AC
(1b) Socket for IEC connector plug / power cable 230 V AC
(2) External socket for extra-low voltage supply (option for CB 170 / CB 220, chap. 18.6)
(3) DIN-socket for zero-voltage relay alarm outputs
(4) DIN socket for analog outputs 4-20 mA (option, chap. 18.4)
(5) Ethernet interface for computer communication
(6a) Miniature fuse T12,5 A (L) 250 V AV for 100-120 V chamber
(6b) Miniature fuse T10 A (L) 250 V AC for 200-230 V chamber
(7) Miniature fuse T10 A (L) 250 V AC for 200-230 V chamber
(8) Strain relief for power cable
(9) Quick acting closure socket for N
2
(chamber with O
2
control)
(10) Quick acting closure socket for CO
2
(11) Quick acting closure socket for O
2
(chamber with O
2
control with optional alternative control range
10 up to 95 vol.-% O
2
)