Rockwell Automation Publication 2080-RM001D-EN-E - February 2015 357
Chapter 15
Input/Output instructions
Input/Output instructions read or write data to or from a controller or a module
using signals sent to a device that is physically connected to a programmable logic
controller. Input relays transfer signals to the internal relays, and output relays
transfer signals to external output devices.
Function Description
LCD on page 358 Display string or number
(Micro810™ only)
LCD_BKLT_REM on page 361 Change remote LCD backlight color and mode
LCD_REM on page 364 Display messages on remote LCD
RHC on page 369 Read high-speed clock
RPC on page 371 Reads user program checksum
Function block Description
DLG on page 372 Save data and global/local variables to an SD Card Data Log file
IIM on page 376 Update inputs prior to normal output scan
IOM on page 378 Update outputs prior to normal output scan
KEY_READ on page 382 Read key status on the optional LCD module
(Micro810™ only)
KEY_READ_REM on page 386 Read key status on remote LCD
MM_INFO on page 390 Read memory module header information
PLUGIN_INFO on page 393 Get module information from a generic plug-in module (excluding Memory Module)
PLUGIN_READ on page 396 Read data from a generic plug-in module
PLUGIN_RESET on page 399 Reset a generic plug-in module (hardware reset)
PLUGIN_WRITE on page 401 Write data to a generic plug-in module
RCP on page 403
Read/write recipe data to and from an SD memory card
RTC_READ on page 407 Read real-time clock (RTC) module information
RTC_SET on page 410 Set real-time clock data to real-time clock module
SYS_INFO on page 413 Read Micro800™ system status
TRIMPOT_READ on page 416 Read the trimpot value from a specific trimpot
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