Omicron CMC 356, User Manual

Page: 10 / 142

CMC 356 Reference Manual
10
• Do not operate the CMC 356 when explosive gas or vapors are present.
• The SELV interface (SELV = Safety Extra Low Voltage) of the CMC 356 -
"Host Interf." or “ETH1”, "LL out" (Low Level Outputs), "ext. Interf." -
should only have external devices connected that meet the requirements
for SELV equipment according to EN 60950 or IEC 60950.
• For applications drawing DC current: The load may not exceed 3 mH
because of dangerous feedback current.
• When setting up the CMC 356 , make sure that the air slots on the back,
top, and bottom of the test set remain unobstructed.
• Voltages up to 1 kV can be present inside the CMC 356 ! Therefore,
opening the CMC 356 is only permitted by qualified experts either at the
factory or at certified external repair centers.
• If the CMC 356 is opened by the customer, all guarantees are
invalidated.
• CMC 356 Ethernet functionality (see section 5.2.1, "Ethernet Ports ETH1
and ETH2" on page 32):
- It is a product of laser class 1 (EN 60825, IEC 60825).
- Connect ETH1
only to Ethernet ports.
• If the CMC 356 seems to be functioning improperly, please contact the
OMICRON Tecnical Support (see section "Contact Information /
Technical Support" on page 137).
Changing the Power Fuse
• Unplug the power cord between the test set and the power source.
• The fuse is located at the back of the test set.
• Fuse type: T12.5 AH 250 V (wire fuse 5 × 20 mm).
For safety reasons please use only fuse types recommended by the
manufacturer. Refer to 6.1, "Main Power Supply" on page 39 for more
information.