Passer-V

Passer-V is an industrial vibration signal acquisition controller for condition monitoring systems. Connects analog vibration sensors with 0–5 V output (ICP/IEPE accelerometers with external amplifier). Digitizes the raw signal at up to 92 kHz, computes RMS and crest factor, and transmits data to Larus, where spectral analysis (FFT) is performed.

Passer-V

Quick Facts

Parameter	Value
Part number	PSRV-220
Device type	Vibration signal acquisition controller
Analog inputs	8 × AI (0–5 V)
Discrete I/O	2 × DI + 4 × DO
Sampling rate	up to 102.4 kHz
Power supply	18–75 V DC (nom. 24 V)
Mounting	DIN rail 35 mm
Protection rating	IP20
Status	🟢 Active

Key Features

8 analog inputs — connect up to 8 vibration sensors 0–5 V, accuracy ±0.3%
Raw signal up to 92 kHz — transmits high-frequency signal to Larus for spectral analysis (FFT)
Bandwidth up to 51.2 kHz — captures high-frequency defects (GMF, BPFI/BPFO)
Synchronous acquisition — simultaneous measurement across all channels
Discrete I/O — 2 DI for tachometers/alarms, 4 DO for protective shutdowns
Automatic protection — configurable DO response to impact/collision without delay, suitable for emergency shutdown
Industrial grade — −40 to +80 °C, 93% humidity non-condensing
Shared form factor with Passer-T — interchangeable enclosure, DIN rail 35 mm
Dual Ethernet ports — Ethernet 1 with PoE, Ethernet 2 for daisy-chaining

Technical Specifications

Analog Inputs (8 × AI)

Parameter	Value
Number of channels	8 (AI1–AI8)
Signal type	Analog, vibration
Voltage range	0–5 V
Sampling rate	up to 102.4 kHz
Bandwidth	0–51.2 kHz
Accuracy	±0.3% (±3.0% in 10–50,000 Hz range)

Digital Inputs (2 × DI)

Parameter	Value
Number of channels	2 (DI1–DI2)
Logic high voltage	12–28 V
Pulse frequency range	0–1 MHz
Minimum pulse duration	1 μs

Digital Outputs (4 × DO)

Parameter	Value
Number of channels	4 (DO1–DO4)
Switching voltage	0–32 V
Switching current	350 mA
On-state resistance	1.6 Ω

Power and Communication

Parameter	Value
Supply voltage	18–75 V DC (nominal 24 V)
Interface	Ethernet (2 × port, Ethernet 1 with PoE)
Protocol	Modbus TCP (port 502)
Default IP address	192.168.0.100

Mechanical Specifications

Parameter	Value
Dimensions (W × H × D), mm	159.5 × 89.9 × 57.5
Weight	max 0.4 kg
Mounting	DIN rail 35 mm
Enclosure material	ABS plastic UL94:V0
Protection rating	IP20

Operating Conditions

Parameter	Value
Operating temperature	−40…+80 °C
Relative humidity	93%, non-condensing (at +40 °C)
Storage temperature	−50…+50 °C

Reliability

Parameter	Value
Average service life	10 years
MTBF	87,000 h

Indicators

Indicator	Color / state	Meaning
Status	Green	System powered and running
	Yellow	Powering up, booting
	Red	Boot failure, fault
	Off	No power
Power	Green	Voltage applied
	Off	No input voltage
Channel AI1–AI8	Green	Channel active, sensor connected
	Yellow	No sensor connected to channel
	Red	Channel not working
DI 1–2	Green	Channel active, signal present
	Yellow	No signal connected
	Red	Channel not working
DO 1–4	Green	Closed state
	Yellow	Open state
Ethernet 1–2	Green	Connection established
	Off	No connection

Variants

Catalog number	Description	Features
PSRV-220	Standard version	DIN rail 35 mm, IP20

Certificates and Compliance

Certificate / declaration	Number	Authority / registry	Validity
TR CU 020/2011 Declaration (EMC)	—	—	—
TR CU 004/2011 Declaration (LVA)	—	—	—
CE	—	—	—
Russian Ministry of Industry registry	—	minpromtorg.gov.ru	indefinite

Use Cases

Bearing vibration monitoring — 0–5 V vibration sensors on bearing assemblies; raw signal is transmitted to Larus, where FFT detects BPFI/BPFO/BSF at an early stage; detection 7–14 days before failure.
Gearbox and gear mesh diagnostics — high-frequency signal acquisition, GMF (gear mesh frequency) harmonic analysis performed on Larus.
Test benches — 32 vibration points at 50 kHz, PTP (IEEE 1588) synchronization for multi-point measurements (example: UEC-Perm Engines).
Mining industry — ball mill monitoring, 4–8 MW (example: Polyus Gold); prevention of unplanned shutdown costing >10M RUB.

All use cases

Compatible Sensors

Passer-V supports the following sensor types:

Vibration accelerometers (inputs AI1–AI8):

Model	Type
Ronds RH 103	ICP/IEPE
TIK DVA 252.214.L5H1	ICP/IEPE
Vibrotest A603C01	ICP/IEPE
GTLab 1V265HN-100	ICP/IEPE

Tachometers (inputs DI1–DI2):

Model	Type
LA30M-55.15P1.U1.K	Inductive (keyphasor)
VBO-M18-76V-5123-SA	Optical non-contact
Diffuse optical (type D)	For direct shaft access

Sensor Mounting

Preferred mounting method — rigid (stud/bolt on mounting pad). Magnetic mounting is acceptable only as a temporary measure. Approved adhesives: K300-61, Loctite EA3450 or equivalents.

Compatible Devices and Accessories

Name	Type	Purpose
Larus-10	IIoT gateway	Passer connection, data forwarding to LimanISU 2.0
Larus-100	Controller (PLC)	Passer connection + local control logic
Passer-T	Controller	Current diagnostics of the same machines (comprehensive picture)
Passer-Sch	Mounting board	Grounding monitoring in CVM100 enclosure
Vibration sensors 0–5 V	Sensors	ICP/IEPE accelerometers for input channels
LimanISU 2.0	Software	Spectrum visualization, alerts, trend analysis

Wiring Diagram

Vibration sensors                Passer-V
┌────────────────┐  0–5 V  ┌──────────────────────┐
│  Accelerometer │────────►│ AI1–AI8 (8 channels)  │
│  (0–5 V output)│         ├──────────────────────┤
└────────────────┘         │ DI1–DI2 (tachometers) │
┌────────────────┐         ├──────────────────────┤
│  Tachometer    │────────►│ DO1–DO4 (protection)  │
│  (DI, 12–28 V)│         ├──────────────────────┤    Modbus TCP
└────────────────┘         │ Ethernet 1 (PoE)      │──► Larus-10 / LimanISU
                           │ Ethernet 2             │
                           │ GND                    │
                           │ +18..75 V DC           │
                           └──────────────────────┘

Documentation and Downloads

Document	Type	Date	Download
Technical specification (datasheet)	PDF	26.12.2025	↓ download
Technical specifications (TS)	PDF	29.04.2025	↓ download
Declaration of conformity	PDF	—	↓ download
Product passport	PDF	07.08.2025	↓ download

Software

Software	Purpose
Embedded firmware	Loaded during manufacturing. Provides measurement, storage, and data transmission. Protected against unauthorized access
Corvus	GUI utility for debugging, calibration, and operating mode configuration via Modbus TCP
Modbus TCP module	Telemetry transmission to server (Larus-10 or LimanISU 2.0)

Modbus TCP Register Map

Complete Modbus TCP register map for firmware v17+ (472 registers). Protocol: Modbus TCP, port 502.

System and Network (reg. 0–18)

Register	Format	R/W	Description	Default	Notes
0	Int16	R	CMD	—	0x01 — save config; 0x02 — Goto BootLoader; 0x03 — Reboot
1	Int16	R	Device type	0x0002	—
2	Int16	R	Hardware version	0x0002	—
3	Int16	R	Software version	0x1010	—
4–5	Int8×6	R/W	Serial number	—	Writable only at default address
6–8	Int8×4	R	MAC address	0x0080E10000AA	—
9–10	Int8×4	R/W	IP address	192.168.0.100	—
11–12	Int8×4	R/W	Subnet mask	255.255.255.0	—
13–14	Int8×4	R/W	Default gateway	192.168.0.1	—
15–16	Int8×4	R/W	Server IP	192.168.0.1	—
17	Int16	R/W	Modbus Slave ID	1	Range 1–250
18	Int16	R/W	Modbus TCP port	502	—

Calibration (reg. 19–43)

Register	Format	R/W	Description	Notes
19	Int16	R/W	Channel for FFT analysis	0–8 (channel number); >8 — FFT disabled
20–27	Int16	R/W	Calibration coefficients AI1–AI8	Signed ×1000 (e.g., 0.431 → 431)
28–29	Float32	R/W	AI1 conversion coefficient (V → m/s²)	Formula: `value = raw × calibr + addon`
30–31	Float32	R/W	AI2 conversion coefficient (V → m/s²)	—
32–33	Float32	R/W	AI3 conversion coefficient (V → m/s²)	—
34–35	Float32	R/W	AI4 conversion coefficient (V → m/s²)	—
36–37	Float32	R/W	AI5 conversion coefficient (V → m/s²)	—
38–39	Float32	R/W	AI6 conversion coefficient (V → m/s²)	—
40–41	Float32	R/W	AI7 conversion coefficient (V → m/s²)	—
42–43	Float32	R/W	AI8 conversion coefficient (V → m/s²)	—

Channel AI1–AI8 Thresholds (reg. 44–314)

Each channel has 34 registers: Enable + 4 threshold groups (RMS / Amplitude / Peak-to-Peak / Crest Factor) × 3 levels (Notification / Warning / Alarm) + DO mask.

Channel AI1 (reg. 44–76):

Register	Format	R/W	Description
44	Int16	R/W	AI1 channel enable
46–47	Float32	R/W	RMS — notification threshold
48–49	Float32	R/W	RMS — warning threshold
50–51	Float32	R/W	RMS — alarm threshold
52	Int16	R/W	RMS — DO alarm mask
54–55	Float32	R/W	Amplitude — notification threshold
56–57	Float32	R/W	Amplitude — warning threshold
58–59	Float32	R/W	Amplitude — alarm threshold
60	Int16	R/W	Amplitude — DO alarm mask
62–63	Float32	R/W	Peak-to-Peak — notification threshold
64–65	Float32	R/W	Peak-to-Peak — warning threshold
66–67	Float32	R/W	Peak-to-Peak — alarm threshold
68	Int16	R/W	Peak-to-Peak — DO alarm mask
70–71	Float32	R/W	Crest Factor — notification threshold
72–73	Float32	R/W	Crest Factor — warning threshold
74–75	Float32	R/W	Crest Factor — alarm threshold
76	Int16	R/W	Crest Factor — DO alarm mask

Channel AI2–AI8 offsets:

Channel	Start	End	Offset from AI1
AI2	78	110	+34
AI3	112	144	+68
AI4	146	178	+102
AI5	180	212	+136
AI6	214	246	+170
AI7	248	280	+204
AI8	282	314	+238

Current Values AI1–AI8 (reg. 316–379)

8 registers (4 × Float32) per channel — RMS, Amplitude, Peak-to-Peak, Crest Factor.

Register	Format	Description
316–317	Float32	AI1 — vibration acceleration RMS, m/s²
318–319	Float32	AI1 — amplitude (peak value)
320–321	Float32	AI1 — peak-to-peak
322–323	Float32	AI1 — crest factor (amplitude / RMS)
324–331	Float32×4	AI2 — RMS, amplitude, peak-to-peak, crest factor
332–339	Float32×4	AI3 — RMS, amplitude, peak-to-peak, crest factor
340–347	Float32×4	AI4 — RMS, amplitude, peak-to-peak, crest factor
348–355	Float32×4	AI5 — RMS, amplitude, peak-to-peak, crest factor
356–363	Float32×4	AI6 — RMS, amplitude, peak-to-peak, crest factor
364–371	Float32×4	AI7 — RMS, amplitude, peak-to-peak, crest factor
372–379	Float32×4	AI8 — RMS, amplitude, peak-to-peak, crest factor

Threshold Status (reg. 380–411)

Register	Format	Description
380	WORD	AI1 threshold status
381	WORD	AI2 threshold status
…	…	…
387	WORD	AI8 threshold status
388–411	—	Reserved

Status bits: bit0 = RMS, bit1 = Amplitude, bit2 = Peak-to-Peak, bit3 = Crest Factor. Values: STATE_NORMA=1, STATE_NOTIFIC=2, STATE_WARNING=4, STATE_ALARM=8 (OR logic).

FFT and Vibration Velocity (reg. 412, 440–455)

Register	Format	R/W	Description
412	Int16	R	FFT channel frequency, Hz
440–441	Float32	R	AI1 vibration velocity, mm/s
442–443	Float32	R	AI2 vibration velocity, mm/s
444–445	Float32	R	AI3 vibration velocity, mm/s
446–447	Float32	R	AI4 vibration velocity, mm/s
448–449	Float32	R	AI5 vibration velocity, mm/s
450–451	Float32	R	AI6 vibration velocity, mm/s
452–453	Float32	R	AI7 vibration velocity, mm/s
454–455	Float32	R	AI8 vibration velocity, mm/s

Digital Outputs DO1–DO4 (reg. 413–420)

Register	Format	Description
413	Int16	DO1 — current value (0/1)
414	Int16	DO1 — alarm trigger mask
415	Int16	DO2 — current value (0/1)
416	Int16	DO2 — alarm trigger mask
417	Int16	DO3 — current value (0/1)
418	Int16	DO3 — alarm trigger mask
419	Int16	DO4 — current value (0/1)
420	Int16	DO4 — alarm trigger mask

Digital Inputs DI1–DI2 (reg. 422–433)

Register	Format	Description
422	Int16	DI1 — enable processing
423	Int16	DI1 — instantaneous value (0/1)
424–425	Int32	DI1 — pulse frequency (÷10), Hz
426–427	Int32	DI1 — pulse period, ms
428	Int16	DI2 — enable processing
429	Int16	DI2 — instantaneous value (0/1)
430–431	Int32	DI2 — pulse frequency (÷10), Hz
432–433	Int32	DI2 — pulse period, ms

Reset timers: frequency resets after 7 s without pulses, period — after 5 min. Filter: moving average of 24 values (since v16+).

Raw Signal Recording (reg. 434–438)

Register	Format	Description
434–435	Int32	Record command — start timestamp (0 — stop in cyclic mode)
436	Int16	Recording mode: 0 — single 2 s; 1 — cyclic; 0x8000 — test sawtooth
437	Int16	ADC frequency divider (1–14). Optimal for Passer-V: 1
438	Int16	Raw signal send timer, sec (min. 10; 0 = disabled)

Sampling rates (reg. 437, FreqDiv):

FreqDiv	Frequency, Hz
1	92,778
2	54,575
3	37,111
4	28,114
5	22,628
6	18,934
7	16,277
8	14,273
9	12,709
10	11,454
11	10,424
12	9,565
13	8,836
14	8,210

Fixed Addons (reg. 456–471)

Added in v17. Additive correction to input signal: value = raw × calibr + fix_addon.

Register	Format	R/W	Description
456–457	Float32	R/W	Fixed addon AI1
458–459	Float32	R/W	Fixed addon AI2
460–461	Float32	R/W	Fixed addon AI3
462–463	Float32	R/W	Fixed addon AI4
464–465	Float32	R/W	Fixed addon AI5
466–467	Float32	R/W	Fixed addon AI6
468–469	Float32	R/W	Fixed addon AI7
470–471	Float32	R/W	Fixed addon AI8

Default: 0. Accepts positive and negative values.

Maintenance

Maintenance type	Frequency	Activities
Visual inspection	Once per shift	Check indicators (power, AI, DI/DO, Ethernet), enclosure inspection
Weekly maintenance	Once per week	Check cables, sensor shielding, grounding
Monthly maintenance	Once per month	Diagnose all channels, check Modbus registers, clean dust
Quarterly maintenance	Once per 3 months	Comprehensive check, cable insulation (megger), heat monitoring
Unscheduled maintenance	As needed	After mechanical impacts, faults, or extended downtime

Firmware

Version	File	Date	What's new
v22	`pv22.bin`	12.2025	RawData uint16 format, 650K sample buffer (~7 s at 100 kHz), auto-record on alarm, send limit once per 20 s
v21	—	2025	Complete rewrite of raw signal buffers and TFTP, removed DMA copying
v20	—	2025	Test sawtooth mode (RawRecordMode 0x8000), fixed buffer order (timestamps)
v17	—	2025	FixAddon registers (456–471), new ring buffer format for raw signal
v16	—	2025	DI moving average filter order increased from 4 to 24
v14	—	2025	15 sampling rates (8.2–92.8 kHz), extended DI range
v13	—	2025	Alarm register recording in RawData, alarm flags with OR logic
v9	—	2025	Added vibration velocity (8 registers, 440–455)
v7	—	2025	Raw signal send timer (reg. 438)
v4	—	2025	103 kHz sampling rate, DO emergency protection

Bootloader: passerboot4.bin (current). Float32 RawData variant of v22: pv22_float.bin.

Lifecycle and Support

Status: 🟢 Active (production and support) Planned EOL: not announced

Technical support:

Email: support@liman-tech.ru
Open a support ticket

Need current diagnostics?

Passer-V is for vibration monitoring. For electric motor diagnostics without mechanical intervention, choose Passer-T.

Key Features​

Technical Specifications​

Analog Inputs (8 × AI)​

Digital Inputs (2 × DI)​

Digital Outputs (4 × DO)​

Power and Communication​

Mechanical Specifications​

Operating Conditions​

Reliability​

Indicators​

Variants​

Certificates and Compliance​

Use Cases​

Compatible Sensors​

Compatible Devices and Accessories​

Wiring Diagram​

Documentation and Downloads​

Software​

Modbus TCP Register Map​

Maintenance​

Firmware​

Lifecycle and Support​