Downlink Ciu - Honeywell CIU 888 Protocol Manual

NOTE: In case of 880 Migrations, Cache mode is configured in CIU web interface. For
FIGURE 1-5
1 - 6
CIU Emulation
Cache mode for a host port can be configured via the CIU 888 WEB-
interface (see FIGURE 1-6).
the new sites, it will be configured by Service Tool.
CIU 888 WEB-interface: Configuration of cache mode for a host port

1.2 Downlink CIU

A field port can be used to connect an existing CIU with tank gauges.
This CIU is called a downlink CIU. The CIU 888 can communicate with
a downlink CIU using the GPU protocol on serial (RS-232/RS-485),
creating an extra layer between the CIU 888 and the tank gauges
connected to the downlink CIU. The following CIUs can act as a
downlink CIU:
CIU 858

SmartLink

Protocol Manual - CIU Emulation
CIU 888
Part No.: 4417589_Rev13