Description
Product details:
Allen-Bradley 1746-NO4V is a four (4) point, non-isolated SLC 500 standard analog voltage
output module. It has an output range of -10 to 10 volts -1 LSB DC, with the backplane rated for
55 mah at 5 volts and 145 mah at 24 volts. By activating external SW1, external 24 VDC power
supplies can be used for the module. If the backplane power supply is sufficient, the backplane power supply can be
used as the power supply for the module instead of the external power supply. The 1746-NO4V
features 500 volt DC field wiring to backplane isolation with a maximum load reactance of 1 F and a maximum load current of 10 mA.
The module is a factory calibration module that uses a 16-bit binary complement binary communication
format. The 1746-NO4V is packaged in an open case and mounted on the 1746 chassis. It also comes with an
LED status indicator and a removable terminal board (RTB). The recommended wire size for this
module is #14 AWG maximum wire size. The update time of all parallel channels is 512 s, and the
step response time is 2.5 ms at 95% time. The 1746-NO4V has an operating temperature range of 32 to
140 degrees Fahrenheit and a non-operating temperature range of -40 to 185 degrees Fahrenheit, with a
non-condensing relative humidity of 5 to 95% for operation and storage. The 1746-NO4V has a maximum overall accuracy drift of +/-54 ppm/ C at full scale.
The Allen-Bradley 1746-NO4V module is a Programmable Logic controller (PLC) analog output
module that belongs to the SLC 500 product platform. The module’s output channel generates voltage signals in the range -10 to +10VDC.
Allen-Bradley 1746-NO4V When installing this module into the case, certain guidelines can be used to
determine the ideal slot or case assignment for the module. Consider two (2) general factors such as
ambient temperature and electrical noise. For electrical noise, it is recommended to install the module away from AC or
high level DC voltage. In addition, it is best to install this module away from the system power supply.
Note The chassis closest to the bottom of the cabinet is recommended for ambient temperature.
The Allen-Bradley 1746-NO4V does not support live disassembly. Do not remove the module while powering on,
as electrical arcs may cause damage to electronic circuits. The module can also be installed via a removable
patch panel (RTB) mounted on its front panel. Use 14 AWG wires and limit a maximum of two (2) wires to the same terminal. This is
to provide room for troubleshooting and to be able to close the module cover.
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