X20DI8371 B&R

X20DI8371
1 General Information
The module is equipped with eight inputs for 1-wire connections. The module is designed for sink input wiring.
• 8 digital inputs
• Sink connection
• 1-wire connections
• Software input filter can be configured for entire module
2 Order data
Order number Short description Figure
Digital inputs
X20DI8371 X20 digital input module, 8 inputs, 24 VDC, sink, configurable
input filter, 1-wire connections
Required accessories
Bus modules
X20BM11 X20 bus module, 24 VDC keyed, internal I/O supply continuous
X20BM15 X20 bus module, with node number switch, 24 VDC keyed, internal
 I/O power supply connected through
Terminal blocks
X20TB12 X20 terminal block, 12-pin, 24 VDC keyed
Table 1: X20DI8371 - Order data
Data sheet V 3.08 1
X20DI8371
3 Technical data
Order number X20DI8371
Short description
I/O module 8 digital inputs 24 VDC for 1-wire connections
General information
B&R ID code 0xA4AB
Status indicators I/O function per channel, operating state, module status
Diagnostics
Module run/error Yes, using LED status indicator and software
Power consumption
Bus 0.18 W
Internal I/O 1.2 W 
1)
Additional power dissipation caused by actuators
(resistive) [W]
-
Certifications
CE Yes
KC Yes
EAC Yes
UL cULus E115267
Industrial control equipment
HazLoc cCSAus 244665
Process control equipment
for hazardous locations
Class I, Division 2, Groups ABCD, T5
ATEX Zone 2, II 3G Ex nA nC IIA T5 Gc
IP20, Ta (see X20 user's manual)
FTZÚ 09 ATEX 0083X
DNV GL Temperature: B (0 - 55°C)
Humidity: B (up to 100%)
Vibration: B (4 g)
EMC: B (bridge and open deck)
LR ENV1
KR Yes
ABS Yes
Digital inputs
Nominal voltage 24 VDC
Input characteristics per EN 61131-2 Type 1
Input voltage 24 VDC -15% / +20%
Input current at 24 VDC Typ. 3.75 mA
Input circuit Sink
Input filter
Hardware ≤100 μs
Software Default 1 ms, configurable between 0 and 25 ms in 0.2 ms increments
Connection type 1-wire connections
Input resistance Typ. 6.4 kΩ
Switching threshold
Low <5 VDC
High >15 VDC
Isolation voltage between channel and bus 500 Veff
Electrical properties
Electrical isolation Channel isolated from bus
Channel not isolated from channel
Operating conditions
Mounting orientation
Horizontal Yes
Vertical Yes
Installation elevation above sea level
0 to 2000 m No limitation
>2000 m Reduction of ambient temperature by 0.5°C per 100 m
Degree of protection per EN 60529 IP20
Ambient conditions
Temperature
Operation
Horizontal mounting orientation -25 to 60°C
Vertical mounting orientation -25 to 50°C
Derating -
Storage -40 to 85°C
Transport -40 to 85°C
Table 2: X20DI8371 - Technical data
2 Data sheet V 3.08
X20DI8371
Order number X20DI8371
Relative humidity
Operation 5 to 95%, non-condensing
Storage 5 to 95%, non-condensing
Transport 5 to 95%, non-condensing
Mechanical properties
Note Order 1x terminal block X20TB12 separately.
Order 1x bus module X20BM11 separately.
Spacing 12.5
+0.2
 mm
Table 2: X20DI8371 - Technical data
1) The power consumed externally for operating the module discharges via the GND contact of the power supply module and must therefore be taken into
account in the power balance of the power supply module.
4 Status LEDs
For a description of the various operating modes, see section "Additional information - Diagnostic LEDs" in the
X20 system user's manual.
Image LED Color Status Description
Off No power to module
Single flash RESET mode
Blinking PREOPERATIONAL mode
Double flash BOOT mode (during firmware update)
1)
r Green
On RUN mode
e Red Off Module supply not connected or everything OK
e + r Red on / Green single flash Invalid firmware
1 - 8 Green Input status of the corresponding digital input