X20 system modules • Other functions • X20CM8281
2210
X20 system User's Manual 3.10
4.26.3 X20CM8281
4.26.3.1 General information
The X20CM8281 module is a universal mixed module. On this module, digital I/O and analog I/O are combined. A
current or voltage signal can be used for the analog I/O as desired. Counter functions on two of the digital inputs
expand the range of use.
•
Digital and analog channels
•
Selectable current and voltage for AI and AO
•
Counter functions
4.26.3.2 Order data
Model number
Short description
Figure
Other functions
X20CM8281
X20 universal mixed module, 4 digital inputs, 24 VDC, sink, 1-
wire connections, 2 digital outputs, 0.5 A, source, 1-wire con-
nections, 1 analog input, ±10 V or 0 to 20 mA / 4 to 20 mA, 12-bit
resolution, 1 analog output, ±10 V / 0 to 20 mA, 12-bit resolution,
2 counters as event counters or gate measurement
Required accessories
Bus modules
X20BM11
Bus module, 24 VDC keyed, internal I/O supply continuous
Terminal blocks
X20TB12
X20 terminal block, 12-pin, 24 VDC keyed
Table 774: X20CM8281 - Order data
4.26.3.3 Technical data
Product ID
X20CM8281
Short description
I/O module
4 digital inputs, 2 digital outputs, 1 analog input, 1 analog output, special functions
General information
B&R ID code
0x24C3
Status indicators
I/O function per channel, operating state, module status
Diagnostics
Module run/error
Yes, using status LED and software
Analog inputs
Yes, using status LED and software
Digital outputs
Yes, using status LED and software (output error status)
Power consumption
Bus
0.01 W
Internal I/O
1.75 W
Additional power dissipation caused by the actua-
tors (resistive) [W]
-
Electrical isolation
Channel - Bus
Yes
Channel - Channel
No
Certification
CE
Yes
cULus
Yes
cCSAus HazLoc Class 1 Division 2
Yes
ATEX Zone 2
Yes
KC
Yes
GL
Yes
GOST-R
Yes
Digital inputs
Quantity
4
Nominal voltage
24 VDC
Input voltage
24 VDC -15% / +20%
Input current at 24 VDC
Typ. 3.3 mA
Input filter
Hardware
≤2 µs
Software
Default 1 ms, configurable between 0 and 25 ms in 0.2 ms intervals
Connection type
1-wire connections
Input circuit
Sink
Table 775: X20CM8281 - Technical data
Summary of Contents for X20 System
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