Omron C200H-RM201 - Page 107

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Slave Unit Numbers with Multiple Terminators Section 7-7
7-7-2 Notification Method for Multiple Terminators
C120/C500
CPU Unit
Remote I/O errors are not indicated on the CPU Unit.
Master Unit
Display Function
END RS CHK
(T i h k)
Lit Lit until a terminator is found.
(Terminator check)
Flashing Flashes if multiple terminators are set.
Unlit Turns OFF if one and only one terminator is
found.
SR Area
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Bit
number
SR 59
00
Error Check Bit
Remote I/O Error Flag
Bit 15 to 8 Bit 7 to 4
Location of error Bit 15 to 8 Meaning Bit 7 to 4 Meaning
Remote I/O Master Unit
or
R t I/O Sl U it
B0 Hex
to
B3 H
The digit on the right (0 to
3) indicates the mounting
d f th M t f th
8 (BCD) Indicates error in Remote
I/O Master Unit.
Remote I/O Slave Unit B3 Hex
)g
order of the Master of the
Remote I/O Subsystem
involved.
0 (BCD) Indicates error in Remote
I/O Slave Unit with unit
number #0.
1 (BCD) Indicates error in Remote
I/O Slave Unit with unit
number #1.
Remote Terminal 00 (BCD)
to
31 (BCD)
Indicates the word address
setting for the Remote
Terminal.
0, 1 (BCD) Either 0 or 1 indicates error
in Remote Terminal.
Error Check Bit
If there are errors in more than one Slave, or multiple terminators have been set,
data for the Units can be accessed in order by turning this bit ON and OFF.
Remote I/O Error Flag
This flag indicates that an error has occurred in a Remote I/O Slave Unit or a
Remote T erminal (or an Optical I/O Unit or I/O Link Unit). It also turns ON where
there is more than one terminator set.
Multiple terminators are detected as follows:
• The “END RS CHK” indicator on the Remote I/O Master (RM) Unit flashes.
• By turning SR 5900 ON and OFF, the Slaves set as terminators can be
read in order.
C1000H/C2000H/C2000
CPU Unit
Remote I/O errors are not indicated at the CPU Unit.
Master Unit
Display Function
END RS CHK
(T i h k)
Lit Lit until a terminator is found.
(Terminator check)
Flashing Flashes if multiple terminators are set.
Unlit Turns OFF if one and only one terminator is
found.
Display
Summary
Display
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