DL7, DL7L
26
8 ELECTRICAL INSTALLATION
!
Before the commencement of any connection works, please read the safety
information given in section
Connecting the supply voltage, measurement and control signals is possible due to
detachable bolt connectors situated at the back plate of the device. Wires of cross-section
area of up-to 1.5 mm2 may be connected to the terminal strips. Cable ends should be
screened along 8 - 10 mm section. Both types of cables, wire cables and cord cables, can
be connected. If larger cables are used, it is recommended to use an intermediate terminal
block in the measurement cabinet between the facility wiring and the recorder.
DL7 is a modular device made up from the base and optional input and output optional
modules. The basic version of the device includes the basic M model only (see: section
). Depending on the needs, the device may have installed up to seven
additional modules marked A, …, G (detailed information is given in section
The drawing below represents a model rear plate of the base module M, a seven
modules with six channels.
Fig. 8.1 Model view of the rear plate of DL7.