2. System component
17
Module specifications and outer shape
Table 2.12 SBIF1C specification
Item Specification
Model name SBIF1C
Applicable base card UIOU52
Redundancy Available (2 units can be installed in the communication base unit
UIOU52)
Serial bus specifications According to Appendix Table 1.1 Serial bus specifications
I/O bus specification According to Appendix Table 1.2 I/O bus specification
Current consumption 24VDC-100mA or less (Supplied from UIOU51, system power
supply)
Internally generated heat 2.4W or less (rated condition)
Outside dimension
40W
×
90H
×
95Dmm (excluding protrusions)
Weight 200g or less
Fig. 2.12 SBIF1C module internal circuit
RUN indicator: Illuminates when normal
SBIF1C
SERIAL BUS I/F
RUN
ALM
STAND-BY
A
B
A
B
SB
I/O
Alarm indicator: Blinks upon an error
STAND-BY indicator:
Illuminates during redundancy stand-by
operation
Serial bus A normal indicator:
Illuminates when normal
Serial bus B normal indicator:
Illuminates when normal
I/O bus A normal indicator:
Illuminates when normal
I/O bus B normal indicator:
Illuminates when normal
Fig. 2.13 SBIF1C module front part
Serial bus
Bus A
Bus B
RS-485
transceiver
RS-485
transceiver
Serial bus
interface
I/O bus
interface
State
display/switch
System power supply
Constant
voltage
power circuit
Internal CPU
circuit
RS-485
transceiver
RS-485
transceiver
Terminal resistor
Module connector
Redundancy I/O bus
Bus A Bus B