1746sc-INO4I The Spectrum Controls21 mA Analog Output Module 0 to
60 degrees Celsius
Technical Specifications for 1746sc-INO4I
Manufacturer Spectrum Controls
Brand AB
Part Number/Catalog No. 1746sc-INO4I
Product Type Analog Output Module
Rockwell Automation Compatible Series SLC 500
Channels 4
No. of Outputs Four (4), Isolated
Output Current range 0-20 mA, 0-21 mA, 4-20 mA
Input Type Analog Isolated Current
Resolution 16 bits
Input Current 0-20 mA
Step Response 1 ms to 95% of full scale
Input Voltage 0-5V
Full Scale Output 21 mA
Electrical Isolation Field wiring to backplane: 500 VAC continuous
Channel-to-channel isolation: 500 VAC continuous
Output Impedance >1 Mohm
Maximum Resistance 500 Mohm
Ambient Operating Temperature 0 to 60 degrees Celsius
Thermal Dissipation 5 Watts, maximum
Backplane Current Required 120 mA at 5 V; 250 mA at 24 V
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The 1746sc-INO4I is an analog current-only output module from
Spectrum Controls. The module has Four (4) isolated-channel
outputs. The 1746sc-INO4I occupies a slot in the 1746 Input /
Output chassis. The 1746sc-INO4I draws a current of 120
milliamperes at 5 Volts DC from the backplane, but to minimize the
current load on the backplane, the 1746sc-INO4I can be interfaced
with an external power source with a voltage rating of 24 Volts DC.
The 1746sc-INO4I has a DIP switch to specify whether the module
draws power from the backplane or an external power source. When
the DIP switch on the 1746sc-INO4I is set to the RACK position, the
module draws power from the backplane while the module is powered
from an external 24 Volts DC power supply, the DIP switch should be
set to EXT position.
The 1746sc-INO4I draws 5 Volts DC power from the backplane. This
consumption rating is same when the module is powered externally.
The module has a removable 16-position terminal block which
accommodates a Belden 8761 shielded twisted pair cable. The
1746sc-INO4I has a resolution of 16 bits, a current of 366
Nano-Amps per count, and a voltage of 320 microvolts per count. The
1746sc-INO4I isolated-channel analog output model has
auto-calibration programmable limits and safe states, an
optoelectrical isolation of 750 Volts DC (channel-to-channel and
field-wiring-to-backplane). The thermal dissipation rating for the
1746sc-INO4I stands at a maximum of 4.5 watts, a maximum update
time of 33.7 milliseconds for all the 4 channels in parallel, and a
step response time of 1 millisecond. Additionally, the 1746sc-INO4I
is UL/CUL class I, division 2, groups A, B, C, D, and CE certified.
The SLC 500 compatible module with part number 1746sc-INO4I is an
analog output module that is manufactured by spectrum control. This
module is manufactured by AB’s encompass partner Spectrum Controls.
Encompass partners are AB approved and certified partners that
provide AB compatible products.
The appearance of this module resembles an actual SLC 500 module.
This module features Four (4) differential analog output channels
that provides 0-20 mA, 0-21 mA, 4-20 mA in 16-Bit resolution, 366
nA per count. This module features extended output ranges,
auto-calibration, programmable limits and safe states. The data of
this module is capable of being formatted to 16-Bit Two’s
complement, Scaled Engineering Units, Scaled for PID, 1746-NO4
format and user-defined proportional counts. It has an accuracy of
0.08% of full scale at 25 Deg. Celsius and 0.15% at 60 Deg.
Celsius.
This module features Increased system reliability by each channel
is provided with 750 VDC isolation, eliminating noise ross talk
which results to the module’s high resolution data conversion. The
same isolation rating is provided for field-wiring to backplane for
rack and processor protection.
This module reduces system cost as the module’s isolation
eliminates the use of external signal isolating devices. The single
slot width of this module also saves important chassis slot.
This module incorporates Allen-Bradly design and technology which
allows it to function similarly like an AB module. It is configured
similarly to an SLC 500 module with most features also similar to
an AB analog output module.
EtherNet/IP Network Configuration
EtherNet/IP Communication Modules
1756-ENBT, 1756-EN2F, 1756-EN2T, 1756-EN2TP, 1756-EN2TPK,
1756-EN2TPXT, 1756-EN2TR, 1756-EN2TRXT,
1756-EN2TSC, 1756-EN2TXT, 1756-EN3TR, 1756-EWEB, 1768-ENBT
CompactLogix 5370 Controllers
EtherNet/IP Adapters
1734-AENT, 1734-AENTR, 1769-AENTR, 1794-AENT, 20-COMM-E, 22-COMM-E,
20-750-ENETR
Embedded Switches
1783-ETAP, 1783-ETAP1F, 1783-ETAP2
The AB 1756-OF8 is an analog output module that is part of the
ControlLogix platform. This analog module may be used to control
and modulate electrical and field devices, transmit or re-transmits
signals for interfacing with measuring and recording instruments or
for any other purpose.
