Digitrax SE74 Manual Download Page 2

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1.1 SE74 Quick Start - Add SE1 signal heads:  

To add 4 signal heads on a single SE1 cable using default 2 SW's per head:

1. 

The SE74's in factory default SE8C compatible mode have 4 turnout address

-

es starting at the Base address SW253, 

followed 

by 32 more SW numbers 

from SW257 on that control heads 1-16 consecutively with 2SW per head.  

Each SE74 uses 36 total consecutive SW addresses. 

2.  The SW257-264 settings control heads; 1= A1-Main, 2=A2-Dwarf, 3=Main-B 

DC in

C

omplete 

T

rain 

C

ontrol

TKA

4G

BRN/1

SE74

RTS

OPS

ID

TKB P+

4R 3G 3R 2G 2R 1G 1R

SWITCH/SENSOR IN

S3

S1

S2

S4

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

Summary of Contents for SE74

Page 1: ...y wink OFF every 2 secs as a product heartbeat showing the SE74 is operational Alternatively power from DCC feeder wires to the TKA B terminals 3 Plug in an active LocoNet to a SE74 RJ12 connector The...

Page 2: ...om SW257 on that control heads 1 16 consecutively with 2SW per head Each SE74 uses 36 total consecutive SW addresses 2 The SW257 264 settings control heads 1 A1 Main 2 A2 Dwarf 3 Main B DC in Complete...

Page 3: ...74 turnouts can be Broadcast setup by turnout1 SW2041 through turn out4 SW2044 10 SW1024 C turns ON Aspect Exercise cycles SW1024 T turns OFF A double click of the ID button will toggle Exercise ON OF...

Page 4: ...e ID and OPSW LEDs will blink alternately to show one Route can be set up Release the RTS button 2 Select a switch address on your throttle between 1 and 8 and issue the command direction for Closed T...

Page 5: ...in BOLD 5 OPSW s not in this table are reserved and should be kept at Factory default T settings for predictable operation 6 OPSW40 C will reset to Factory defaults on OPSW mode exit Table 1 SE74 OPSW...

Page 6: ...nnected to LocoNet this will occur as a SW message to make the change and notify the system it has occurred Wire to momen tary press on buttons for SW control 2 The pins SENS1 SENS2 SENS3 and SENS4 wi...

Page 7: ...means the 2nd SE74 SW aspect Base would need to be 17 or higher 5 Use the LH encoder knob to scroll up and down through the detected SE74 devices with an underline shown at the 2nd SE74 6 At the 2nd...

Page 8: ...suitable DT602 plugged into LocoNet press the Menu 3 4 keys to enter Route Editor menu If any SE74 is on LocoNet the DT602 will beep after about one second and show DS7x routes at the D soft key posit...

Page 9: ...e CV s ac tually each control 8 individual OPSW bits OPSW1 is ls bit of CV11 through OPSW8 as ms bit of CV11 5 The DT602 does not indicate to the SE74 when programming is complete After finishing CV c...

Page 10: ...n for wiring detail and are not installed on the PCB test mast 4 The 3 wire Searchlights of Figures 6 and 7 are common cathode version and allow Lunar lamps to be connected for all 4 heads on an SE1 c...

Page 11: ...features available 4 For 2 wire pulse solenoids e g a Kato N crossover just wire to R G termi nals in the polarity that operates as you need Do not run more than one solenoid device per SE74 pulsed R...

Page 12: ...ty to operate under and be in compliance with CFR 47 rules as administered by the Federal Communication Commission Digitrax believes any conscientiously installed equipment following guidelines in thi...

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