©
CIAS Elettronica S.r.l.
Ed.
1.1
Installation Manual
Page
21
of
23
Micro-Ray-Card8
5 MAINTENANCE & ASSISTANCE
5.1 Troubleshooting table
Anomaly
Possible cause
Possible solution
Relays do not change status
and leds are all off
Faulty board
Replace the board
Power supply not present or
incorrect
Check power connections
Microprocessor blocked
Press SW1 pushbutton to reset the
microprocessor
RS-485 serial line connection error
Check the RS-485 serial line
connections
Table 17 - Troubleshooting
6 TECHNICAL SPECIFICATIONS
6.1 Technical specifications table (single Master/Slave board)
TECHNICAL SPECIFICATIONS
MICRO-RAY-CARD8 BOARD
Min
Nom
Max
Notes
Power voltage (V --)
11.5
13.8
16.0
Power current (mA --)
13
14
16.5
Power current with relays activated (mA--)
15
16
19
Relay contacts
-
-
100mA
C-NC
Dimensions (mm)
-
72 x 54
-
Weight (g)
-
26
-
Operating temperature
-35 °C
-
+65 °C
Serial line interface
-
RS-485
-
Table 18 - Micro-Ray-Card8 technical specifications