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Short description
I/O module 1 SSI absolute encoder 5 V
General information
B&R ID code 0xA708
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 0.01 W
Internal I/O 1.1 W
Additional power dissipation caused by actuators (resistive) [W] -
Type of signal lines Shielded cables must be used for all signal lines.
Certifications
CE Yes
ATEX Zone 2, II 3G Ex nA nC IIA T5 Gc
IP20, Ta (see X20 user's manual)
FTZÚ 09 ATEX 0083X
UL cULus E115267
Industrial control equipment
HazLoc cCSAus 244665
Process control equipment
for hazardous locations
Class I, Division 2, Groups ABCD, T5
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
EAC Yes
KC Yes
Digital inputs
Quantity 2
Nominal voltage 24 VDC
Input characteristics per EN 61131-2 Type 1
Input voltage 24 VDC -15% / +20%
Input current at 24 VDC Approx. 3.3 mA
Input circuit Sink
Input filter
Hardware ≤2 µs
Software -
Connection type 3-wire connections
Input resistance 7.03 kΩ
Switching threshold
Low <5 VDC
High >15 VDC
Insulation voltage between channel and bus 500 Veff
SSI absolute encoder
Encoder inputs 5 V, symmetrical
Counter size Up to 32-bit depending on encoder
Max. transfer rate 1 Mbit/s
Coding Gray/Binary
Minimum diff. slew rate 1 V/μs
Insulation voltage between encoder and bus 500 Veff
Overload characteristics of encoder power supply Short-circuit proof, overload-proof
Transfer rate 125 kbit/s / 250 kbit/s / 500 kbit/s / 1 Mbit/s
Encoder power supply
5 VDC ±5%, module-internal, max. 300 mA
24 VDC Module-internal, max. 300 mA
Switching threshold
Low >1 V
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
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.
Pitch 12.5+0.2 mm
Material number:
X20DC1178
Description:
  • 1 SSI absolute encoder 5 V
  • Monitoring the data signal
  • 2 additional inputs
  • 5 VDC, 24 VDC and GND for encoder supply
  • NetTime timestamp: Counter change
  • Can be used with a SafeLOGIC controller

This module is equipped with one input for SSI absolute encoders with 5 V encoder signal. The data signal is monitored (Data, Data\).

Mandatory 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 supply continuous
Terminal blocks
X20TB12 X20 terminal block, 12-pin, 24 VDC keyed
Automation Studio HW Upgrades Version (Date) Download
V2.6 HW Upgrade (X20DC1178) EXE / 1 MB
V3.0 HW Upgrade (X20DC1178) EXE / 2 MB
V4.0 HW Upgrade (X20DC1178) EXE / 1,003 KB
Certificates Version (Date) Download
244665 CSA HazLoc Certificate of Compliance X20, X67 PDF / 56 KB
ABS Certificate of Product Design Assessment - X20 IO Series PDF / 2 MB
DNV GL Type Approval Certificate - X20 / Power Panel T30 PDF / 164 KB
E115267 UL CoC X20 PDF / 847 KB
FTZU 09 ATEX 0083X PDF / 697 KB
KR Type Approval Certificate MIL39390-AC003 (X20 System) PDF / 758 KB
Lloyds Register PDF / 506 KB
X20, X67 KC certificates PDF / 6 MB
Documentation Version (Date) Download
Datasheet X20DC1178 PDF / 411 KB
X20 System User´s Manual PDF / 56 MB
E-CAD (Electro or EPLAN Templates) Version (Date) Download
X20 EPLAN P8 from V2.4 EXE / 161 MB
M-CAD (Mechan. Templates) Version (Date) Download
3D File DXF/STEP X20 Electronic module ZIP / 10 KB
3D File STEP X20 I/O-Slice ZIP / 872 KB
Dimensions PDF X20 Electronic module PDF / 3 KB

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