2. System component
33
Fig. 2.26 SPI01 module internal circuit
Fig. 2.27 SPI01 module front part
RS-485
transceiver
Module connector
State
display/switch
Constant voltage
power circuit
RS-485
transceiver
Internal power
supply
System power supply
(DC24V)
Redundancy I/O bus
Internal CPU
circuit
Bus A Bus B
External power supply
External power supply
monitoring
RUN indicator: Illuminates when normal
Alarm indicator: Blinks upon an error
Threshold level setting switch:
Set the threshold level 1 to E (1 to 14).
Module address setting switch:
Set the module number 1 to E (1 to 14).
To Next Page
Loading...
Need help?
General
