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B&R X20cDI4760

I/O module, 4 NAMUR inputs, special function

MPN: X20cDI4760
Category: Digital inputs

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12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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What is the B&R X20cDI4760?

4 digital inputs

Input module for NAMUR encoders

Open line and short circuit detection

Each input can be used as a counter input

Specifications

Short description

I/O module

4 NAMUR inputs, special function

General information

Diagnostics – Module run/error	Yes, using LED status indicator and software
Diagnostics – Short circuit	Yes, using LED status indicator and software
Diagnostics – Open circuit	Yes, using LED status indicator and software
Power consumption – Bus	0.01 W
Power consumption – Internal I/O	1.5 W
Certifications – CE	Yes
Certifications – UKCA	Yes
Certifications – CRA (Cyber Resilience Act)	In preparation
Certifications – ATEX	Zone 2, II 3G Ex nA nC IIA T5 Gc; IP20, Ta (see X20 user's manual); FTZÚ 09 ATEX 0083X
Certifications – UL	cULus E115267; Industrial control equipment
Certifications – HazLoc	cCSAus 244665; Process control equipment; for hazardous locations; Class I, Division 2, Groups ABCD, T5
Certifications – DNV	Temperature: B (0 to 55°C); Humidity: B (up to 100%); Vibration: B (4 g); EMC: B (bridge and open deck)
Certifications – LR	ENV1
Certifications – KR	Yes
Certifications – ABS	Yes
Certifications – BV	EC33B ; Temperature: 5 - 55°C; Vibration: 4 g; EMC: Bridge and open deck
B&R ID code	0xE221
Status indicators	I/O function per channel, open-circuit and short-circuit detection per channel, operating state, module status
Additional power dissipation caused by actuators (resistive) [W]	-

Event counters

Input frequency – 1 input active	Max. 1600 Hz
Input frequency – 2 inputs active	Max. 1100 Hz
Input frequency – 3 inputs active	Max. 870 Hz
Input frequency – 4 inputs active	Max. 680 Hz
Quantity	4
Signal form	Symmetrical square waves or corresponding minimum pulse duration (note: Minimum pulse duration: t[s] ≥ 1/(2 x f max [Hz]))
Evaluation	Each positive edge, cyclic counter
Counter size	8-bit

NAMUR inputs

Input delay – 1 input active	≤310 µs
Input delay – 2 inputs active	≤450 µs
Input delay – 3 inputs active	≤570 µs
Input delay – 4 inputs active	≤735 µs
Switching threshold – Area	1.2 mA to 2.1 mA
Switching threshold – Switching hysteresis	Typ. 300 µA
Open-circuit detection	<350 µA
Input circuit	For NAMUR encoder per EN 60947-5-6
Insulation voltage between channel and bus	500 V eff
Short-circuit detection	>7 mA
Open-circuit voltage	8.05 V ±0.33%
Switching amplifier internal resistance	1 kΩ ±1%
Max. short-circuit current	8.2 mA

Electrical properties

Electrical isolation

Channel isolated from bus; Channel not isolated from channel

Operating conditions

Mounting orientation – Horizontal	Yes
Mounting orientation – Vertical	Yes
Installation elevation above sea level – 0 to 2000 m	No limitation
Installation elevation above sea level – >2000 m	Reduction of ambient temperature by 0.5°C per 100 m
Degree of protection per EN 60529	IP20

Ambient conditions

Temperature – Horizontal mounting orientation	-25 to 60°C
Temperature – Vertical mounting orientation	-25 to 50°C
Temperature – Derating	See section "Derating".
Temperature – Starting temperature	Yes, -40°C
Temperature – Storage	-40 to 85°C
Temperature – Transport	-40 to 85°C
Relative humidity – Operation	Up to 100%, condensing
Relative humidity – Storage	5 to 95%, non-condensing
Relative humidity – Transport	5 to 95%, non-condensing

Mechanical properties

Note	Order 1x terminal block X20TB12 separately. ; Order 1x bus module X20cBM11 separately.
Pitch	12.5 +0.2 mm

Accessories

Required accessories (order separately)

X20cBM11	Bus modules — Bus module for 24 VDC I/O modules; The internal I/O power supply is connected through.
X20TB12	Terminal blocks — Tool-free wiring with push-in technology; Simple wire release using lever; Ability to label each terminal; Plain text labeling also possibl…

Downloads & documentation

Official documents from B&R, downloaded directly from the manufacturer.

Data sheets & manuals

CAD & dimension drawings

Certificates (12)

X20cDI4760: frequently asked questions

When can X20cDI4760 be shipped?

X20cDI4760 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up X20cDI4760 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for X20cDI4760 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for X20cDI4760, subject to availability and destination.