1 Year Warranty
100% Original New
1 Year Warranty
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Email: sales3@askplc.com
Order(MOQ):
1Payment:
T/TProduct Origin:
USAColor:
Brand NewShipping Port:
XiamenLead Time:
in stock
John Yang
Email: sales3@askplc.com
Mobile(WhatsApp): 86-18150117685
Product Brief
The 1771-NOC/B is a high-resolution isolated analog output module in the Allen-Bradley (AB) PLC-5 series. The "Series B" designation indicates that this module represents a hardware/firmware upgrade from the A series, achieving CE certification and optimizing backplane current and power consumption.
Main Parameters
|
Number of Output Channels |
8 Independent Output Channels |
|
Output Signal Type |
Current Output |
|
Output Signal Range |
0 to 25 mA |
|
Output Resolution |
13-bit Unipolar Resolution (3.20 µA/bit) |
|
Module Refresh Time |
Maximum 25 ms |
|
Output Impedance |
> 1 MΩ |
|
Communication Mechanism |
Block Transfer Communication with PLC-5 Processor for Bidirectional Data Exchange |
|
Data Format |
Supports BCD Code and Natural Binary |
|
Backplane Current Consumption |
2.9 A at 20 mA per Output Channel |
|
3.3 A at 25 mA per Output Channel |
|
|
External Power Supply Requirement |
No External Power Supply Required; Powered Completely Through PLC 1771 Chassis Backplane |
|
Chassis Slot Occupancy |
Single Slot |
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FAQ
Q: How many output channels does 1771-NOC/B have?
A: This module has 8 independent output channels.
Q: What is the output signal range of 1771-NOC/B?
A: Its output signal range is 0 to 25 mA.
Q: What is the module update time of 1771-NOC/B?
A: Its maximum module update time is 25 ms.
Q: Does 1771-NOC/B require an external power supply?
A: This module does not require an external power supply; it is completely powered through the PLC 1771 chassis backplane.
Q: How many rack slots does 1771-NOC/B occupy?
A: It occupies a single slot (Single Slot).
Application
Water Treatment Plant: Used for precise control of dosing pump flow and booster pump speed.
Wastewater Treatment Plant: Used for controlling aeration airflow and sludge return valve opening.
Paper Plant: Used for adjusting paper pulp refining and dryer steam valves.
Glass Plant: Used for regulating air and gas ratio in furnace combustion systems.
Chemical Plant: Used for reactor temperature control valves and pipeline flow adjustment.
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