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ABB DP840 3BSE028926R1 8-channel S800 I/O pulse counter

ABB DP840 3BSE028926R1 8-channel S800 I/O pulse counter

ABB / S800 I/O
PULSE COUNTER · FREQUENCY MEASUREMENT
DP840
3BSE028926R1
 
An eight-channel pulse counter for pulse accumulation, frequency or speed measurement, and digital-input reading in compatible S800 I/O systems.
SIGNAL OPTIONS
NAMUR · 12 V · 24 V transducer levels
PERFORMANCE AT A GLANCE ⌁
08
Independent Channels
Configure each channel for pulse count or frequency measurement.
0.5 Hz
–20 kHz
Frequency / Speed Range
For compatible pulse-based measurement tasks.
16-bit
Pulse Accumulation
Count pulses using a 16-bit accumulating counter.
⌁ CONFIGURABLE INPUT FILTER ◆ CYCLIC SELF-DIAGNOSTICS
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SALES MANAGER
Miya zheng
✉ EMAIL SALES
sales@amikon.cn
☎ PHONE / WHATSAPP
86-18020776792
⌁
◆
◇
◆
PULSE / SPEED
S800 I/O · PULSE COUNTER
ABB DP840
3BSE028926R1
An eight-channel S800 I/O pulse counter for pulse accumulation, frequency or speed measurement, and digital-input reading.
CHANNEL ARCHITECTURE
8
Independent channels that can be configured individually.
FREQUENCY RANGE
0.5 Hz–20 kHz
For frequency and speed measurement.
COUNTING
16-bit
Pulse count accumulated by a 16-bit counter.
Designed for pulse-based signals

DP840 is an S800 I/O pulse-counter module built for applications where pulse totals or signal frequency provide useful process feedback. Each of its eight independent channels can be configured for pulse counting or frequency measurement, with a maximum measurement frequency of 20 kHz.

The module supports NAMUR, 12 V and 24 V transducer signal levels. Inputs can also be read as digital signals, which can be useful where a project needs pulse-related measurement and a digital status view within the same module family.

A configurable input filter is available per channel. Cyclic self-diagnostics and on-board diagnostic functions help identify module or channel conditions, while the module can be used in single or redundant applications where the overall system design supports that arrangement.

Signal and installation checks
Nominal DC signal specification 24 V DC
Permitted signal range 19.2–32 V DC
Maximum field cable length 200 m
Power dissipation 4 W
ModuleBus current at +5 V 115 mA
Dimensions (W×D×H) 45×102×119 mm
SIGNAL PATH / CONCEPT
Pulse / Frequency Sensor
↓
DP840 Channel
↓
Pulse Count / Frequency / DI Read
Conceptual signal flow only. Actual channel configuration, sensor wiring and system integration must match the installed application.
MTU compatibility matters
ABB identifies TU810V1, TU812V1, TU814V1, TU830V1 and TU833 among the compatible MTUs. Other compatible MTU variants are also specified; verify the exact installed arrangement before replacement.
Need DP840 for a running S800 I/O system?
Send your part number, quantity, delivery destination and installed MTU details for a focused quotation.
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S800 I/O / MODULE SELECTION
Match the signal task to the right hardware
Module / unit Primary role What to verify
DP840 Eight-channel pulse counting, frequency measurement and digital-input reading. Sensor signal level, counting or frequency task, channel filter and target frequency.
DP820 Another S800 pulse-counter module option for applications requiring a different hardware execution. Compare exact channel, signal and system requirements before selecting an alternative.
TU810V1 / TU812V1 / TU814V1 Module termination units used as the field-wiring and module interface for compatible S800 I/O configurations. Check the exact MTU type, keying, wiring arrangement and cabinet configuration; do not select by appearance alone.
Why DP840 is distinct: it is intended for pulse and frequency tasks rather than ordinary general-purpose digital input alone. The maximum frequency, transducer signal type, counting objective and required diagnostics should drive selection.
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AMIKON aims to make industrial automation spare parts easier to source through accessible online service, responsive communication and order coordination focused on customers' operating needs.
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DP840 3BSE028926R1 — Buyer FAQs
Practical checks for application fit and replacement planning
Q1. Is DP840 3BSE028926R1 suitable for measuring pulse frequency as well as pulse totals?
Yes. Each of its eight channels can be configured for pulse counting or frequency measurement. The frequency measurement range is 0.5 Hz to 20 kHz, while pulse counting uses a 16-bit accumulating counter.
Q2. Which sensor signal levels can DP840 3BSE028926R1 interface with?
The module supports NAMUR, 12 V and 24 V transducer signal levels. For a replacement, confirm the actual sensor type, wiring and signal level in the installed circuit rather than relying only on the nominal 24 V DC specification.
Q3. Can DP840 3BSE028926R1 be used as a digital input module?
Its inputs can also be read as digital input signals. However, the main selection reason is its pulse-counting and frequency-measurement capability. If the application only needs standard DI functions, compare the requirements with the appropriate S800 digital-input module.
Q4. Which MTU should be checked when replacing DP840 3BSE028926R1?
Compatible MTUs include TU810V1, TU812V1, TU814V1, TU830V1 and TU833, with additional compatible variants available. Verify the exact MTU installed, mechanical keying, wiring and cabinet configuration before ordering.
Q5. What should be checked if DP840 3BSE028926R1 is being used for speed measurement?
Confirm the expected signal frequency, sensor signal level, selected channel configuration and input-filter setting. The module's stated maximum measurement frequency is 20 kHz; the actual application must remain within the relevant electrical and system limits.
Refund / Replacement

Please contact us within 7 days of receiving the item if there is a concern. The item must be returned in its original condition, with the reason clearly stated. Refund or replacement arrangements are made after the returned item is received. Return shipping costs are paid by the buyer.

Contact AMIKON
Sales Manager: Miya Zheng
Phone / WhatsApp: +86 180 2077 6792 ↗
For quotation, include the full model, quantity, destination and required date.
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