GE 90-30 PLC Series Installation And Hardware Manual page 184

8
IC693BEM331 Genius Bus Controller (GBC)
The Series 90-30 Genius Bus Controller (GBC), catalog number IC693BEM331, provides the
interface between a Series 90-30 PLC and a Genius I/O serial bus. The GBC receives and
transmits control data of up to 128 bytes for up to 31 devices on the Genius I/O bus. A Genius Bus
Controller can serve:
Figure 8-5. Genius Bus Controller Module
A bus may feature I/O control, enhanced by communications commands in the program. Or, a bus
can be used entirely for I/O control, with many I/O devices and no additional communications. A
bus can also be dedicated to CPU communications, with multiple CPUs and no I/O devices. More
8-6 Series 90-30 PLC Installation and Hardware Manual – August 2002
Genius blocks, which provide an interface to a wide range of discrete, analog, and special-
purpose field devices. Note that the GCM and GCM+ modules, described earlier, cannot
control Genius blocks.
Remote Drops, which consist of Series 90-70 I/O racks interfaced to the bus through Remote
I/O Scanner modules. Each of these drops can have any mix of Series 90-70 discrete and
analog I/O modules, providing up to 128 bytes of input data and 128 bytes of output data.
Field Control I/O Station, which consists of a Bus Interface Unit (BIU) and up to eight
additional Field Control modules. The BIU provides intelligent processing, I/O scanning, and
feature configuration for the I/O station.
Genius Hand-Held Monitor (HHM), which is a portable device that can also be permanently
mounted. The HHM provides a convenient operator interface for block setup, data monitoring,
and diagnostics.
Multiple hosts, for communications using datagrams and Global Data.
GENIUS
BUS
CONTROL
OK
COM
GENIUS
BUS
CONTROLLER
1
2
SER
3
1
4
5
6
7
SER
8
2
9
10
11
12
SHD
13
IN
14
15
16
17
SHD
18
OUT
19
20
44A729182-068R01
FOR USE WITH
IC693BEM331
GFK-0356Q