ICPDAS PDS-811 User Manual page 50

Programmable Device Server with I/O Expansion Slot(s)
Condition 2: No clients send any requests
to the PDS-8x1 controller. The PDS-8x1
controller doesn't echo any data from the
devices to any client.

M2: Half-Slave Mode (Is situated between M0 and the M1 mode)
If only one client connects to the PDS-8x1 controller, the operation mode same as M0 mode, please
refer to page 48 (M0: Transparent Mode); and if there are two or more clients connecting to the
PDS-8x1 controller, the operation mode same as M1 mode please refer to page 49 (M1: Slave
Mode).
PDS-8x1 Series User Manual, Version 1.1.2, Apr. 2015 - 50 -