3.
System Configuration Unit and Module
37
Terminal Block Unit
The types of terminal block unit are listed in Table 3.1.
Table 3.1 Terminal block units
Model name Application Matching modules
UTBA1 For 8-point analog/4-point pulse
input/output use
SAI01, SAI06*, STC01, SAO01, SAO06*,
SPI01, SPI06*, SPO01
UTBA2 For 4-point analog use SAI02, SAI03, SRT01, SAO02
UTBA3 For 8-point uninsulated distributor use SAI01 and SDA01 (used in a pair)
UTBA6 For 8-point analog/duplexed-system
compatible module
SAI06, SAO06
UTBA61 For 8-point analog/4-point
pulse/duplexed-system compatible module
SAI06, SAO06, SPI06
UTBD1 For digital input/output use SDI01, SDO01
UTRC1 For input/output relay connection use SDI01, SDO01
Used as a single configuration
UTBA1 to UTBA3 and UTBA6/UTBA61 can perform current-voltage conversions when an
option board is mounted.
UTBA6/UTBA61 are a terminal block unit dedicated to duplexing. If the system is duplexed,
set the PI/O modules to the identical address. If the system is single, mount the PI/O module
on the upper level of the terminal block unit.
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