Installation Manual
© CIAS Elettronica S.r.l. Ed. 2.0
Installation Manual Page 37 of 49 MICRORAY
Terminal blocks, of the MICRO-RAY Interface circuit
The MICRO-RAY modules are all pre-wired in the factory and connected to the relative J1, J2,
J3, J4 terminal of the interface circuit (positioned approximately in the middle of the column), by
shielded F cable. Connect the shield to the SHLD pin of MS3 and MS4.
Figure 13 Topographical arrangement of the components in the circuit
TERMINAL BLOCK MS1 – EXTERNAL CONNECTION TO MICRORAY
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, Positive voltage input ( ) (referred to GND)
from external supply (**)
6
SHLD
Cable screen (*)
TERMINAL BLOCK MS2 – IP-DOORWAY OR
SERVICE CONNECTION TO MICRO-RAY
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 MS3
Term.
Block
Symbol
Function
1
SHLD
Cable screen (*)
2
PR
Power Presence (column internal connection)
TERMINAL BLOCK MS4
Term.
Block
Symbol
Function
1
SHLD
Cable screen (*)
2
SHLD
Cable screen (*)