Digitrax SE74 User manual
© 2022 Digitrax, Inc. www.digitrax.com— 1 —
Features:
▪4 SE1 Digitrax 10-pin ribbon cables that control 4 LED signal heads each.
▪4 Switch (SW) control outputs for solenoid or slow-motion turnouts.
▪Plug-in connectors for simple and easy installation and service.
▪
▪Optional 9 types of DCC Aspect control, including Lunar lamps.
▪Easy setup with Option Switches (OPSW) or LocoNet CV programming.
▪
▪8 easy to setup System Routes, with 8 SW Entries each.
▪8 input control lines; 4 for Output/SW change and 4 Sensor/DS inputs.
▪
Parts List
1.0 SE74 Quick Start - 4 Turnout control function
1. -
4 solenoid turnouts.
-
light up showing connection. Any good LocoNet message seen will cause the
4. To set to a custom
Base number
your system send a SW command to set the new
type switch motors modify Option Switch (OPSW) 1 to Closed/C, (see section
consecutive
That’s all that’s required to initial check an SE74 on LocoNet!
SE74
16 signal head controller with 4 turnout con-
trols and 8 input lines.
© 2022 Digitrax, Inc. www.digitrax.com
1.1 SE74 Quick Start - Add SE1 signal heads:
1. -
followed
DC in
Complete Train Control
TKA 4G
BRN/1
SE74
RTS OPS ID
TKB P+ 4R 3G 3R 2G 2R 1G 1R
SWITCH/SENSOR IN
S3 S1
S2S4
Input 10 pin
header cable
Black
Brown
To Track
(Optional)
LocoNet
Figure 1: SE74
Solenoid Connections
LEDs towards
SE74
Test cable
on header S1
Test Mast
P+
SOL
+COM
G R
SOL
+COM
G R
SOL
+COM
G R
SOL
+COM
G R
© 2022 Digitrax, Inc. www.digitrax.com
4.
away
upper head C-siding.
For a new
8.
9. -
10.
11.
2.0 Advanced DT602 based SE74 conguration: To perform
these advanced features, a DT602 with SubVersion 0.9 or higher will be needed
- see www.digitrax.com for the latest software IPL.
2.1 Setup SE74 DCC Aspect
control mode: -
1.
-
set as the primary head aspect.
4.
-
FR
Right Throttle Active
sp 0 %
0003
0123456789
Modify Lunar
Head#:
0001
= GRN flash
Left : 0002
<Rev sp0 %
Switch
RED YEL GRN
© 2022 Digitrax, Inc. www.digitrax.com— 4 —
In DCC Aspect
control mode the SE74 base Head1# is set as the same number
as the Board base address used by the turnouts. Factory default
Head1 = 253, through to Head16 = 268.
for turnouts instead of Signal DCC Aspect control mode.
8. -
LUNAR lamp is an alternate
9. at the
same time
Persistent, independent of the color lamps.
10.
Aspect control.
3.0 Setup SE74 Ez-Routes:
1.
Select a switch address on your throttle between 1 and 8 and issue the
Route Number you are
going to setup. Any previous Entries in this Route will now be replaced in
following steps.
4.
route is full/completed.
entry for that Route Number.
-
8.
9.
© 2022 Digitrax, Inc. www.digitrax.com
4.0 SE74 Options: OPSW changes -
1.
an option.
OPSW settings shown below.
4. Factory default OPSW settings are shown in BOLD.
settings for predictable operation.
Table 1: SE74 OPSW setting table:
bold
1T
T
T
10 T
11 T
14 T
T
T
T
T
T
T
T, T
C, C
Flashing Yellow, 4th SW aspect
Flashing Red, 4th SW aspect
T
40 T
41 T
© 2022 Digitrax, Inc. www.digitrax.com
5.0 External hardware Input lines:
Alternately, plug in a DSXC4
board with its ribbon cable, which
will support up to 4 DSXCP1 fascia
SW controls with switch state
indicating LEDs.
provided on pin 10/ribbon cable
-
tive level, and a 0V/OFF reference
DO not draw more than 100mA
-
tion.
1.
-
tary press-on buttons for SW control.
-
4.
DSXCP1 SW control and state display.
Table 2: SE74 Input lines
Wire Color Function
1
RED SENS1 occupancy level
4 YELLOW
8 SENS4 occupancy level
9 0V reference
10
© 2022 Digitrax, Inc. www.digitrax.com
order through SENS4 line that starts Route 8. An empty route is ignored.
6.0 Detecting all SE74's and setting Base addresses: As for
plugged into-
any
1.
example
device serial numbers (SN or SerNo).
detected
and sorted is SW0001, with 4 turnouts
control by DCC Aspect, so only uses 4
SW addresses total (for turnouts only).
4.
DCC Aspect head# problem with a following SE74
higher.
that we do not have an aspect overlap
the following device SW base address must be at or above
8.
full display page overlaps are not completely sorted and re-evaluated until
CsRt
Selecting DS7x device
Device: Base+Out# SerNo
SE74 Sw0001+04 A #9122
DS74 Sw0007+04 #3122
DS74 Sw0011+04 #2399
SE74 Sw0016+04 a #0945
SE74 Sw0040+36 S #0745
DS74 Sw0075+04 #2399
DS7x device select: LH knob
Chng adr
Ident
© 2022 Digitrax, Inc. www.digitrax.com— 8 —
problems.
9.
10.
11.
-
6.1 Reading and Editing a SE74's routes:
any
1.
-
to read in and display the Routes of the
4.
black outlined
-
After edit of any Route is complete be sure
EDIT DS7x Rt# 01 of 8
Entry# TOP of 8
0100c
0224t
Thrown Add Save
Delete
DS7X Edit: LH knob selects
SW testCS Rt
SE74 Sw0016+04 #0945
© 2022 Digitrax, Inc. www.digitrax.com— 9 —
6.2 Program SE74 CVs on LocoNet:
1.
Ops Switch" mode programming
with BASE address of SW1.
slow motion turnout control.
4.
-
tually each control 8 individual OPSW bits. OPSW1 is ls bit of CV11, through
OPSW8, as ms bit of CV11.
After nishing
7.0 Signal head connections: -
1.
-
CV Program Menu A:
CV Number:
CV data:
0011
0000
Ops Switch ADR: 0001
LOCO
CVNUM CVDATA DONE
SE1 #1- left siding: SE1 #2-right siding:
Figure 2: Example of two security elements (SE1 cables) configured as a siding.
Figure3: Digitrax SE1 cable version for access to 4 plug-in heads
© 2022 Digitrax, Inc. www.digitrax.com— 10 —
have into a SE1 cable to display LED aspects. SE74 defaults support the
provided Digitrax test mast with no OPSW changes needed.
Figure 4. The lunar LEDS are shown for wiring detail, and are not installed
on the PCB test mast.
4.
allow Lunar lamps to be connected for all 4 heads on an SE1 cable.
D/ A2: Diverging
Dwarf
A1 Mainline
D Lunar
A1 Lunar
Common Anode
FIGURE 4: Test Mast Dual 3 color heads with lunars
Mast Base PCB
common anode/OPSW35 =T
D/ A2: Diverging
Dwarf
A1 Mainline
D Lunar
A1 Lunar
FIGURE 6: A/D direction Dual 3-wire searchlight heads with lunars
common cathode/OPSW35 = C
B Mainline
C Siding
B Lunar
C Lunar
Common Anode
FIGURE 5: B/C direction Dual 3 color heads with lunars
Mast Base PCB
common anode/OPSW35 =T
B mainline
C Siding
B Lunar
C Lunar
FIGURE 7: B/C direction Dual 3-wire searchlight heads with lunars
common cathode/OPSW35 = C
© 2022 Digitrax, Inc. www.digitrax.com— 11 —
-
8. For more signaling accessories and more information, see the Signaling
section of the
text, reference the pdf of these instructions on the web site.
8.0 Setup Notes:
1.
current Capacitive Discharge pulse action.
-
nal head brightness setting.
will not have all features available.
4. -
nals in the polarity that operates as you need. Do not run more than one
input plug.
damage not covered by Warranty.
8.
FIGURE 8: A/D direction Dual 2-wire searchlight heads
FIGURE 9: B/C direction Dual 2-wire searchlight heads
© 2022 Digitrax, Inc. www.digitrax.com
307-SE74-0000
www.digitrax.com
Need Support?
9.0 FCC Information: -
are designed to provide reasonable protection against harmful interference in a residential
if not installed and used in accordance with the instruction manual, may cause harmful
on, the user is encouraged to try to correct the interference by one or more of the following
• Reorient or relocate the receiving antenna.
•
•
receiver is connected.
•
by the Federal Communication Commission. Digitrax believes any conscientiously installed
-
lems.
of Communications.”
Le present appariel numerique n emet pas de bruits radio-electriques depassant les
sur le brouillage radioelectrique edicte par le ministere des Communications du Canada.
fonctionnement.”
10.0 Warranty & Repair
Digitrax gives a one year Warranty against material and manufacturing defects
Visit www.digitrax.com for instructions for
returning items for repair. Please return warranty items directly to Digi-
trax
-
tions or improvements in its products without im-
posing any obligations upon itself to install these
changes, additions or improvements on products
are documented on the product pages of the
website.
Digitrax, Inc. is not responsible for unintentional
errors or omissions in this document.
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