Specifications

GEMINI
2
Traffic Outstation Handbook
667/HB/32600/000 Page 142 Issue 11
MODEM
PSU
SIEMENS
OMCU and
MOVA UNIT
Non-MOVA Inputs
Phase Greens & LMU
MOVA Detectors
MOVA Confirms
MOVA Force Bits
Telephone Line
To Handset or
PC On-Site
Processor
Board
LMU I/O
Board(s)
MOVA I/O
Board
The Siemens OMCU and MOVA Unit
Both the MOVA and OMCU applications are
available within a single Outstation.
This unit is fitted with a processor board
together with one or two LMU I/O boards to
provide the OMCU with its detector and
mains’ state inputs, and one Bus / MOVA
(Digital) I/O board to provide MOVA
detectors, force and confirm bits.
Note: Most of these I/O boards will not
be required if the enhanced serial link
to ST800/700 option described in
section 4.2.6 on page 44 and section
9.6.4 on page 153 is used.
Access to the MOVA application through
the handset port:
(i) Access to the MOVA application is via a PC running suitable software connected to
the 25 way D-Type port on the front of the processor board; see section 9.6.1 on
page 151. The same software must also be used to communicate with the MOVA
unit across the telephone line, see section 9.7 on page 163.
(ii) The MOVA application will not communicate with the small portable handsets
commonly used to interrogate other traffic equipment as it uses full screen displays
rather than simple handset commands.
9.2 MOVA Freestanding Interfaces
Since the MOVA unit uses the same hardware platform as the OMCU, the interfaces
are similar to those of the OMCU and thus most are covered by section 5.6 which starts
on page 80.
Maximum Capabilities for each MOVA Version (Single Stream)
MOVA 4
MOVA 5
MOVA 6
Detector Inputs
32
64
64
Confirm Inputs
10
26
26
Controller Ready Inputs
1
1
1
Force Bit Outputs
8
10
10
Take Over Output
1
1
1
(Note that the table applies to both freestanding and integral options)