Instruction manual

BIC-II PROTOCOL
This is the protocol utilized when the BIC-II is operating in the BIC-II mode, as an interface between the host
device and Milltronics products utilizing simplex and/or duplex convention.
CONVENTION
SIMPLEX CONVENTION
Simplex convention is the unsolicited transmission of messages from the product to the BIC-II.
The following Milltronics products utilize simplex convention: AiRanger IV
AiRanger DPL
AiRanger XPL
LiquidRanger
AiRanger DPL Plus
AiRanger XPL Plus
Messages entering the BIC-II product communication port are stored in the RAM table. The message may be
retrieved directly from the Ram table or indirectly via the FIFO buffer. When RAM Table Request messages
are sent, messages for the port and point requested are returned. When FIFO Buffer Request messages are
sent, the latest product messages are returned.
DUPLEX CONVENTION
Duplex convention defines a communication whereby the host sends a request message to the product and
the product sends a response message to the host.
The following Milltronics products utilize duplex convention: CompuFlo
CompuScale II
CompuScale IIA
OCM II
The BIC-II RAM tables are not used to store messages received from Milltronics products utilizing duplex
convention.
96/01/09
PL-371 8 – 1