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ABB DI840 3BSE020836R1 6-channel digital input module

ABB DI840 3BSE020836R1 6-channel digital input module

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

 

 
 
 
16 INPUT CHANNELS
ABB / S800 I/O

DI840
3BSE020836R1

REDUNDANT DIGITAL INPUT WITH SOE

Sixteen supervised 24 V DC input channels combine field-state acquisition, transducer-power monitoring and millisecond event capture.

1 ms
SOE RESOLUTION

257
EVENT QUEUE
INPUT SIGNAL PATH

From Field Contact to Time-Stamped Event

ABB DI840 is a 16-channel 24 V DC digital input module for S800 I/O, engineered for single or redundant applications. It receives current-sinking field signals, provides per-channel status indication, supervises transducer power and supports sequence-of-events capture for time-critical state changes.

01 / FIELD STATE
Current-sinking 24 V DC signals from contacts and compatible sensors.
02 / PROTECTION
Current limiting, EMC components and supervised transducer power.
03 / ISOLATION
Optical barrier with the 16-channel group isolated from ground.
04 / CONTROLLER EVENT
Filtered state, diagnostics and optional 1 ms SOE processing.
Compatible MTUs include TU810, TU812, TU814, TU818, TU830, TU833, TU838, TU842, TU843 and TU852. MTU selection determines field termination, keying and the chosen single or redundant arrangement.
REQUEST A COMPATIBILITY CHECK ✉ EMAIL MIYA ☎ WHATSAPP +86 180 2077 6792 Sales Manager
Miya Zheng
CHANNEL ENGINEERING

Electrical Thresholds, Event Timing and Module Load

INPUT

16 channels
24 V DC, current sinking
18 to 30 V DC operating range
7 mA at 24 V DC
3.3 kohm input impedance
Logic 0: -30 to +5 V
Logic 1: 11 to 30 V

EVENT + FILTER

1 ms SOE resolution
0 ms / +1.3 ms accuracy
Up to 257 queued events
Selectable 0 to 127 ms filter
Input status LEDs
Process-power supervision
Internal-circuit diagnostics

POWER + MECHANICS

100 mA at +5 V ModuleBus
15 mA + transducer power at 24 V
335 mA maximum external load
2.7 W typical dissipation
45 x 119 x 102 mm
0.15 kg
Keying code CD

0 to +55 deg C
OPERATING
-40 to +70 deg C
STORAGE
IP20
PROTECTION
G3
CORROSION
S800 INPUT SELECTION

Redundancy, Integrity and Intrinsic Safety Are Not the Same

FAMILY INPUT ROLE SELECTION POINT
DI840 16 x 24 V DC current-sinking inputs Redundancy and 1 ms SOE; not high integrity or intrinsically safe
DI880 family Digital inputs for high-integrity duties Different safety architecture, project rules and approvals
DI890 family NAMUR or voltage-free contact input role Eight-channel intrinsic-safety-oriented configuration
A visually similar S800 module is not automatically interchangeable. Confirm signal type, safety classification, MTU, keying, redundancy and the controller project before replacement.
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QUALITY RELIABILITY TRUST CUSTOMER SERVICE
CHECK STOCK AND DELIVERY ✉ EMAIL MIYA ☎ WHATSAPP +86 180 2077 6792 Sales Manager
Miya Zheng
QUALITY
Careful matching for dependable operation.
RELIABILITY
Responsive handling for urgent requirements.
TRUST
Clear communication throughout the order.
RETURN PATH
Contact us within seven days after receipt. Items must remain in original condition with a clear reason. Eligible return or replacement follows inspection; return freight is paid by the buyer.
BUYER FAQ

Five Checks Before DI840 Is Ordered

Does DI840 3BSE020836R1 support redundant operation?
Yes. DI840 supports both single and redundant applications, but the compatible MTU, communication interface and project configuration must be arranged for the selected architecture.
What should be verified before replacing DI840 3BSE020836R1?
Check the complete article number, keying code CD, selected MTU, channel wiring, transducer-power arrangement, redundancy mode, filter settings and SOE configuration.
Can DI840 3BSE020836R1 be used as a high-integrity safety input?
No. DI840 supports redundancy and SOE, but its product classification is not high integrity. A suitable high-integrity S800 input must be selected for safety-instrumented duties.
How does DI840 3BSE020836R1 timestamp events?
Its SOE function has 1 ms resolution, event-recording accuracy of 0 ms / +1.3 ms and a queue capacity of up to 257 events. System-wide time synchronization still has to be engineered correctly.
What field-power behavior matters on DI840 3BSE020836R1?
Transducer power is supervised and current limited, with one output serving each pair of input channels. Confirm external 24 V capacity and diagnose field-power faults before commissioning.
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