AB/Rockwell Automation 1771-IXE CONTROLLOGIX PLC 5 Analog Input
Module
Description for 1771-IXE:
The 1771-IXE module is available from AB/Rockwell Automation. It is
an isolated type of analog input module from the AB/Rockwell
Automation PLC 5 series of controllers and controller components.
The 1771-IXE isolated analog input module can be used with all of
the PLC 5 series Bulletin 1771 chassis. It ships with an AB 1771-WI
wiring arm that it needs to be connected to for operation. The
1771-IXE isolated analog input module is both a thermocouple input
module and a millivolt input module.
Technical Specifications for 1771-IXE
Manufacturer Rockwell Automation
Brand AB
Series PLC 5
Part Number/Catalog No. 1771-IXE
Module Type Thermocouple / Milivolt Input module
No. of inputs 8, all of the same type or 4 each of 2 different
types
Channel Update 50 milliseconds/8 channel; 15 bits + sign
Thermocouple Input Type Type E, J, K, T, R and S
Voltage Range Type E, J, K, R, S, T +/- 99.99 mV
Resistance Input Type +/- 100 mV
Current Range N/A
Cold Junction Compensation 0-60 Deg. Celsius
Data Format 4-Digit BDC; 2's Complement Binary; Singed Magnitude
Binary
Backplane Current 750 Miliamperes
Resolution 1 Deg. Celsius; 1 Deg. Fahrehheit
Required External Power None
Processor Compatibility Any A-B processor using 1771 I/O and Block
Transfer
Model Status Earlier Model
Calibration Auto-Calibration (offset and gain)
Chassis compatibility Any 1771 I/O Chassis
Typical AC Signal Delay (Off) 45 (+/- 15) ms
Typical DC Signal Delay (Off) 50 ms
Mounting Rack Mountable
Number of I/O 8 Floating Differential
UPC 10612598114280
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About 1756-L55M12
The AB 1771-IXE is a PLC 5 Analog Input Module. It is a
Thermocouple/Millivolt Input Module. This module utilizes Block
Transfer Read and Write (BTR) and (BTW) instructions to transfer
input data words from its memory to the PLC processor. The 1771-IXE
requires a single-slot for installation in a 1771 I/O chassis and
needs no external power supply. The 1771-IXE module has 8 floating
differential inputs for thermocouple or millivolt input ranges
which includes types E, J, K, T, R, and S thermocouples and +/-100
millivolts. Either 8 inputs are allowed of the same type or 4 each
of 2 different types. The 1771-IXE includes cold junction
compensation with a range of 0 to 60 degrees Celsius and +/-0.5
degree Celsius accuracy. It has a selectable temperature scale of
Celsius or Fahrenheit with a temperature resolution of 1 degree
Celsius or 1 degree Fahrenheit and a millivolt resolution of 10 µV.
The AB 1771-IXE requires a backplane current load of 750mA at 5V
and has a channel update time of 50 milliseconds per 8 channels.
Its wiring is connected to the 1771-WI field wiring arm eliminating
the need for disconnecting the wires when replacing the module. The
1771-IXE has a maximum power dissipation of 4.25 Watts and maximum
thermal dissipation of 14.5 BTU/hour. Keying bands must be put
between pins 20 to 22 and pins 24 to 26 which accept only this
module. The 1771-IXE module has high and low-temperature alarms
that are selectable by the user. It contains a green RUN and a red
FLT indicator on the front panel for power and fault status. During
power-up, it performs self-diagnostics and reports its status. It
provides open-circuit detection in case thermocouple fails. The
1771-IXE automatically calibrates offset and gain for each channel,
eliminating the need of potentiometers.
The AB 1771-IXE is an analog input module with Eight (8)
Thermocouple and millivolt inputs channels. This module is
compatible for installation with any PLC5 chassis. This module may
be configured for Celsius and Fahrenheit scale.
This module is a single slot module that directly install to the
1771 chassis slot. It may be installed to any open slot provided
that the power supply is adequately sized to provide backplane
power to the module. This Thermocouple / millivolt input module
support Thermocouple Type E, J, K, T, R and S while supported
millivolt value is +/- 100mV. This module is provided with a Cold
Junction Compensation.
This module is compatible for use in measurement ranges such as
-270 to 1000 Deg. Celsius, -210 to 1200 Deg. Celsius, -270 to 1380
Deg. Celsius, -50 to 1780 Deg. Celsius, -270 to 400 Deg. Celsius.
This module is specifically compatible for use in Temperature
applications as Thermocouple sensors are Temperature measuring
devices. Additionally, the resistance input compatibility may be
used to measure displacement of devices, typically in factory
automation applications.
This module has Temperature resolution of 1 Deg. Celsius or 1 Deg.
Fahrenheit. It is also provided with a user defined high and low
temperature alarms which may be linked to Human Machin Interface
(HMI) or Supervisory Control and Data Acquisition (SCADA) systems
for monitoring.This module converts the received millivolt signal
to binary or BCD format. It has Thermocouple linearization of
IPTS-68 Standard, NBS-MN-125.
