Checking Operations
Checking I/O Links for
C200H I/O Link Units
26
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refer to the C200HX, C200HG, C200HE Programmable Controllers Operation
Manual (W322) .
35315
Rightmost bit of temperature data
35315
25315
Normally ON
• Use the MVN(022) instruction to reverse data for displays that require
positive logic.
• Use the 7SEG(214) instruction in the I/O Unit instructions for dynamic dis-
plays.
Read/Write Areas in the C200H I/O Link Unit are allocated by default to the
words in the PLC that it is mounted to as follows:
Read Area:
IR 50 (1 word)
Write Area:
IR 350 (1 word)
The C200H I/O Link Unit's Read/Write Areas are normally linked to the Input/
Output Areas of the Master (the Input/Output Areas occupied by the C200H I/
O Link Unit in the Master Unit) as shown in the following diagram.
Master Unit
Slave
C200H I/O Link Unit
Connect the Peripheral Device to the PLC, monitor the changes in current
positions, and check that the links are operating normally.
NEG
MOV (21)
DM1000
BCD (24)
Input Area Output area
IR 057
IR 357
IR 050
IR 350
Read Area Write Area
Section 2-5
353
DM1000
353
DM1000
110
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