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Wayguard Solid-State Crossing Controller III Plus
Almost a “Crossing in a Box”
Output A
20 A flashing light
2 barriers, 2 bells
Supply
9–16.5 V dc
Status and Program
display and indicators
Faster, Lower-Cost Crossings
The Solid-State Crossing Controller
(SSCC) III Plus incorporates everything
(other than train detection) that you
need for crossing control — in a single
box.
Program and
Display
Output B (40 A unit only)
20 A flashing light
2 barriers, 2 bells
Diagnostic
port
Echelon
interface to
data logger
Inputs from tracks,
barrier detection
etc
Benefits
“One box” control solution eliminates relays, wire and time
Direct constant-voltage drive suits any flashing light
Works with most track circuits and predictors
Direct drive to 2- and 4-quadrant barrier control circuits
Selectable inbuilt logic suits most applications
User control of flash rate, gate times, bell etc
Now you can roll out crossings faster,
more cheaply, more consistently and
more flexibly with a single customisable
controller.
The SSCC III Plus directly interfaces with
flashing lights, barriers, bells and track
circuits — and YOU retain control over all
the settings.
Standard or Customisable
Control Logic
The SSCC III Plus incorporates all the
control logic and time delays that used to
be implemented in costly relay circuits.
Select standard logic for single, double or
triple track operation, using track circuits
or predictors, with or without barriers.
Programmable loss-of-shunt timers
Datasheet 9A-6
Datasheet 9A-6
issue 6.0
Description
Simple Configuration
Brief Specifications
Everything plug-couples to a single
enclosure.
All parameters are easily set using pushbuttons and an LCD screen, and are
protected against unauthorised change
using passwords. Alternatively, settings
can be uploaded to or downloaded from
a computer.
Size
483 × 222 × 105 mm
Supply
9–16.5 Vdc
1.0 Vpp max ripple
0.75 A quiescent (20 A)
0.95 A quiescent (40 A)
Maintenance
Temp
–40°C to +70°C
The SSCC III Plus needs an external
battery supply, track circuits (typically 2
approach and one island) and, of course,
the lights, bells and barriers that it
drives.
The SSCC III Plus logically combines the 7
available inputs to determine when the
crossing should be activated.
Internal crossing flashers with 20 A or
40 A output capacity use independent
circuits for each side — no single failure
can cause all lights to be out.
Inbuilt Logic
Eliminate all relays using the logic
functions within the SSCC III Plus —
standard or customisable logic within
the unit executes all logic and timing
functions traditionally implemented
with relays and wiring.
Logic available as standard:
• directional stick circuits
• second train coming
• vital stick cancellation
• loss of shunt
• gate delay
Elimination of relays and wiring is a
major cost saving.
Optional features include:
• traffic light pre-emption
• test facility to assist with sighting
lamps
• interconnection to adjacent
crossings
• Logs the last 8 train moves
• Retains settings for 2 days without
power
• Complete logging via SEAR
• Healthy State light connections
Optional Surge Panels
• All surge arrestors and equalisers
• Divides circuits for near and far
lamps and barriers
Input
7 programmable
12 Vdc in nominal
On 7.6–20.0 Vdc
Off 2.5–0 Vdc
Configurable loss-ofshunt timer
Outputs
Flashing
• Cable voltage drop compensation
resistors for near lamps
• Protection and reticulation of Battery
and Common
See also:
• Datasheet 9A-3 — LED flashing
lights
• Datasheet 9B-9 — S-60 barriers
• Datasheet 9G-2 — Grade Crossing
Predictors
2 or 4 gate control
10 Adc for 10 s &
6 Adc continuous
12 Vdc nominal
Gate Delay 3–20 s programmable
Gate
Bell
Ordering
Please discuss your requirements with
our sales staff, including:
• 2 or 4 gates
• 20 A or 40 A flasher drive
• surge panels
20 A or 40 A
30–70 fpm adjustable
9.0–15.0 Vrms adjustable
Integral short circuit
protection
Battery voltage
Configurable off on gate
rise
Maintenance (healthy state)
Sink up to 4 A at 12 V
Maintenance Interface
Levels
RS232-C DCE
Used with laptop or palmtop computer
to review logs and program controller
Works with Almost Any Train
Detection
Almost any track circuit can be used with
the SSCC III Plus: GCP, PSO-II, ac/dc
(WESTRACK), dc track and more. Those
that provide a 12 V output for deenergised track don’t even need a track
relay.
Siemens Rail Automation Pty Ltd
ABN 78 800 102 483
Level 7, 380 Docklands Drive, Docklands,
Victoria 3008, Australia
T +61 1300 724 518
E rail-components.au@siemens.com
W www.siemens.com.au/rail-components
© 2014, Siemens Rail Automation Pty Ltd