Micromod RetroPAK: SLC Installation Manual - Manual (Page 41)

SLC RetroPAK Controller
MECHANICAL INSTALLATION
17
The following table shows the data flow for each combination of switch positions:
SWITCH POSITION
SWITCH 1 SWITCH 2
READ/WRITE READ ONLY NORMAL
MODULE
LOAD
X X
Database transfer from memory
module to controller on power up.
Memory module updated every 50ms
by controller during operation.
X X
Complete contents of controller
memory transferred to memory
module (UPLOAD). Existing program
is overwritten.
X X
Instrument and/or PC cannot write to
memory module. Contents remain
unchanged.
X X Invalid combination