7.PMC DIAGNOSIS AND MAINTENANCE SCREENS ([PMC MAINTE]) B-63983EN/02
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7.3.3 Setting and Displaying Keep Relays ([KEEP RELAY] Screen)
This screen is used for setting and displaying the Keep Relays. To
move to the KEEP RELAY screen, press the [KEEP RELAY] soft key.
Contents of the table
· ADDRESS: Address refered by sequence Program
· 0 to 7: Contents of each bit
· HEX: Value of the byte data in hexadecimal notation
The additional information line at the bottom of the screen displays
the symbol and comment of the address on which the cursor is placed.
When the cursor is placed on a byte, the byte symbol and comment are
displayed.
Since Keep Relay is nonvolatile memory, the contents are not lost
even if you turn off the power.
The Keep Relay area consists of parts as follows.
30i/31i/32i-A
First PMC Second PMC
(option)
Third PMC
(option)
Dual check
safety PMC
User area K0–K99 K0–K19 K0–K19 K0–K19
Area for management software K900–K999 K900–K999 K900–K999 K900–K999
Page display
Additional information line
Key input line Message display line