Azatrax Circuits & signals - All Scales - TS5-26 signal control - Dual track, bi-directional block signal control, incl. four IR sensor sets, 2 with 2-ft wire leads and 2 with 6-ft leads (SKU 1525-TS5-26)
Available On: April 1, 2021

Trackside signaling at a model railroad control point. |
Realistic automatic signal operation for a single or dual track, bi-directional main line.A control point is a location where tracks merge or intersect, and trackside signals (or wayside signals) govern the safe operation of trains.The Azatrax TS3 signal control circuit automatically controls three single- or dual-head signals where a single-track main line merges with a branch or passing siding. The TS5 signal control circuit automatically controls up to five single- or dual-head signals at a control point on a two-track main line. Train detection is done with simple IR (infrared) sensors placed in or near the track. IR detection requires no resistor wheelsets and no insulating gaps in the rails. The system works equally well in any level of room lighting, even in complete darkness. The TS5, with four included IR detectors, is able to control signals at several different control point track plans approximating common North American railroad practice. At a control point with five signals, an Azatrax MRD1-NV circuit is also required to provide detection on a branch track. Find the track plan diagram below that fits the track configuration at your control point. Click on the track plan to download a full page diagram to use on your layout as a guide to placing the sensors and signals in their proper locations. Print the diagram and use it together with the TS5 installation guide. The TS3, TS5 and MRD1-NV circuits can be ordered just below the following chart. To include single-track intermediate signals in your system, see the TS2 circuit |
Double track signal bridge at the entrance to a control point. |
Single track, one turnout |
Single track, one turnout requires:
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Double track, no turnouts, four intermediate signals |
Dual track intermediate or distant signals requires:
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Single crossover, four signals |
Single crossover requires:
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Single crossover with branch, most common |
Single crossover with signaled branch requires:
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Single crossover with branch, less common |
Single crossover with signaled branch requires:
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Dual crossover |
Dual crossover requires:
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Dual crossover with offset branch on the wide side |
Dual crossover with signaled branch on the 'wide' side requires:
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Dual crossover with centered branch on the wide side |
Dual crossover with signaled branch on the 'wide' side requires:
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Dual crossover with offset branch on the narrow side |
Dual crossover with signaled branch on the 'narrow' side requires:
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Dual crossover with centered branch on the narrow side |
Dual crossover with signaled branch on the 'narrow' side requires:
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Dual crossover, scissors type |
Scissors crossover requires:
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Scissors crossover with branch |
Scissors crossover with signaled branch requires:
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End of shared passing siding, dual track main |
One end of a shared passing siding requires:
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