cias MICRO-RAY Series, Installation Manual

Page: 36 / 52

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CIAS Elettronica S.r.l. Ed. 1.6
Installation Manual Page 35 of 46 MICRO-RAY
MEASUREMENT POINTS OF THE RECEIVER
Symbol Function
TP4 Signal 200mVpp
TP8 Negative for Measure (GND)
TP9 Voltage of the automatic gain control AGC
Terminal blocks, of the MICRO-RAY Interface circuit
The MICRO-RAY modules are all pre-wired in the factory and connected to the MS1 terminal of
the interface circuit (positioned approximately in the middle of the column).
Figure 13 Topographical arrangement of the components in the circuit
TERMINAL BLOCK MS1 CONNECTION TO MICRO-RAY
Term.
Block
Symbol Function
1 13.8V
Positive Power Supply (+13.8 V )
2 GND
Negative for Power Supply and for Data (0 V )
3 LH + RS-485 High Data Line
4 LO - RS-485 Low Data Line
5 PR Power Presence (Norm. to GND)
6 SHLD Cable screen
TERMINAL BLOCK CON3
Term.
Block
Symbol Function
1 13.8V
Positive Power supply Input (+13.8 V )
2 GND
Negative Input for Power Supply and for Data (0 V )
3 LH + RS-485 High Data Line
4 LO - RS-485 Low Data Line
TERMINAL BLOCK CON2
Term.
Block
Symbol Function
1 PR
Power Presence Positive voltage Input ( )
(referred to GND CON3)
2 SHLD Cable screen