Winco DGC-500 - Manual (Page 17)

Call-Out Terminals Description
DGC-500 HMI 2-5
K
P5 (+), P6 (–)
P8 (A), P9 (B)
Remote Display Terminals
Power. These terminals provide operating power to the optional
Remote Display Panel (RDP-110).
Communication. These terminals provide an RS-485 interface for
communication with the optional Remote Display Panel (RDP-110).