Drawing No. |none
Digital signal processing audio frequency track circuit pick up units PP3S, PP4S are to apply on railroad sections and underground railway. Size 228х84х230 mm.
2 variants of power supply: single-phase alternating current by frequency 50 Hz nominal voltage 17,5 V (divergence from 15,0 to 19,5V); DC current by voltage 24 V (divergence from 20 to 34 V)
marked capacity – 3,5 VA
drop-off-to-pickup ratio – min 0,8
entrance friction at the pass band average bandwidth is volatile between 120 Оm - 160 Оm
the equipment provides device status data transfer to supervisory monitoring system
power indicator and signal receive level
weight is max 2,5 kg
overall measurements: length 228 mm, width 84 mm, depth 230 mm
the equipping is made in relay housing NSH
PP3S and PP4S are used for audio frequency track circuit diagnostics and data transfer to automatic block- and electric interlocking systems. operate with TRTSZ track circuits amplitude-shift keyed signals with carrier frequency 420, 480, 580, 720 и 780 Hz and TRTS 4 with carrier frequency 4 545, 5000 и 5555 Hz and manipulation frequency 8 and 12 Hz.
Field of use: the equipment is used on railroad sections and underground railway with different driving forces and in workstations indoor applications and Relay cabinets accommodation option.
The device is compatible with customary equipment TRTS3 and TRTS4.
Similar equipment: PP(PPM), PP1 (PP1M), PRTS4L, PRTS4L1, PP3, PP3M, PP31, PP41.
superior Security due to dual-processor system
high interference elimination, 1st group, factor of quality «A»
existing problems data transfer to dispatch control system possibility
there is an automatic protection switch possibility in case if the equipping passes to the safe mode
temperatures range from -45° С to +80° С
supply voltage parameter stability
low consumed power
pick up units (number according to order)
demountable connector for covering layer removal (1 pcs per 10 devices or less, sent to one receiver)
certificate of equipment (1 pcs per a device)
engineering instruction (1 pcs per 10 devices or less, sent to one receiver)
We deliver the equipment around the Country and to the CIS region!
Cable trough components
Metal battery cabinets SHMB-М and SHMB-М-U
Voltage monitor UKBN
Trafo for signaling, centralization and blocking equipment
Digital individual ground alarm SZI
Digital individual ground alarm SZITS-D-L with an additory diapason and supervisory monitoring
Digital individual ground alarm SZITS-D with an additory diapason and supervisory monitoring
Pulse track relay IVG-TS
Automatic digital current controller RTA-TS
Signaling, centralization and blocking equipment limiting reactors
Digital individual ground alarms SZITS, SZITS-D, PP-SZITZ checkout console
Electro-pneumatic brake regulated transistor converter PТ-EPТ-50S (PТ-EPТ-75S)
Interface «Current loop» to interface RS — 485 converter
Signaling, centralization and blocking equipment conversion transducer
Protection equipment cable box KYA-AZ