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The SNAP-SCM-485-422 provides two 2-wire RS485 serial communication ports for two channels of high-speed, isolated serial data, or one 4-wire serial communication port for a single channel. Used with a brain or R-series controller, the module connects serial devices such as printers, scales, chart recorders, and barcode systems to an Ethernet network for control, monitoring, or data acquisition.

Part of the SNAP PAC System, the module mounts on a SNAP PAC rack with a SNAP PAC brain or rack-mounted controller. Analog, digital, and serial I/O modules can all be on the same rack. Such an I/O unit is also well suited for PC-based control or for use as intelligent remote I/O for an Allen-Bradley MicroLogix PLC or other RSLogix-based system, such as ControlLogix or CompactLogix.

Application	Data Acquisition, Energy Management, Industrial Automation, Remote Monitoring
Brand/Series	SNAP PAC Series
Controller Type	I/O
Current Rating	250
Current, Input	250 mA
Current, Supply	250 mA DC
Depth	0.197" (5mm)
Dimensions	82.55 × 18.29 × 69.85 mm mm
For Use With	SNAP PAC System
Interface	RS485/RS422
Length	3.25" (82.55mm)
Module Type	Isolated
Mounting Type	Rack
Number of Channels	2
Number of I/O Ports	1
Primary Type	Communication Module
Special Features	Individually Isolated Ports
Standards	CE, FM, DFARS
Supply Voltage	5 VDC VDC
Temperature, Operating	0 to 70°C
Temperature, Operating, Maximum	70 °C
Temperature, Operating, Minimum	0 °C
Temperature, Operating, Range	0 to +70 degC °C
Type	Serial
Width	0.72" (18.29mm)
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• Opto 22
  Module, Digital Input; 10 to 32 VAC/VDC; 24 VAC/VDC (Nom.); 5 0.25 VDC
  
  型号：SNAP-IDC5
  仓库库存编号：70133452
  
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• Opto 22
  Input Module, 32-Channel High Density, Digital, 10-32VDC
  
  型号：SNAP-IDC-32
  仓库库存编号：70133544
  
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• Opto 22
  Output Module, 32-Channel, High Density, Digital, 5-60VDC Load Sourcing, SNAP
  
  型号：SNAP-ODC-32-SRC
  仓库库存编号：70133545
  
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• Opto 22
  Controller, Rack Mount, Analog and FullDigital, Serial
  
  型号：SNAP-PAC-R1
  仓库库存编号：70133716
  
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• Opto 22
  Controller, Rack Mount, Analog and Simple Digital, 64-Point
  
  型号：SNAP-PAC-R2
  仓库库存编号：70133721
  
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• Opto 22
  MOUNTING RACK, 8 MODULES, PANEL MOUNT OR DIN-RAIL
  
  型号：SNAP-PAC-RCK8
  仓库库存编号：70133736
  
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• Opto 22
  PLC I/O Module SNAP PAC, 387.35 x 112.01 x 12.7 mm
  
  型号：SNAP-PAC-RCK16
  仓库库存编号：70133739
  
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• Opto 22
  Module; 0 to 10 VDC; 5 mA; 3 ms; 2.44 mV; 0 to degC
  
  型号：SNAP-AOV-25
  仓库库存编号：70134059
  
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• Opto 22
  I/O Module; 5 VDC @ 170 mA; 4 Channels; 10 ms; 1 Megohms; 0 to degC
  
  型号：SNAP-AIV-4
  仓库库存编号：70134078
  
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• Phoenix Contact
  Continuous Plug-In Bridge; 500 mm; Gray
  
  型号：2966838
  仓库库存编号：70207708
  
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Application Data Acquisition, Energy Management, Industrial Automation, Remote Monitoring  Opto 22 Application Data Acquisition, Energy Management, Industrial Automation, Remote Monitoring  Logic Modules Application Data Acquisition, Energy Management, Industrial Automation, Remote Monitoring  Opto 22 Logic Modules Application Data Acquisition, Energy Management, Industrial Automation, Remote Monitoring   Brand/Series SNAP PAC Series  Opto 22 Brand/Series SNAP PAC Series  Logic Modules Brand/Series SNAP PAC Series  Opto 22 Logic Modules Brand/Series SNAP PAC Series   Controller Type I/O  Opto 22 Controller Type I/O  Logic Modules Controller Type I/O  Opto 22 Logic Modules Controller Type I/O   Current Rating 250  Opto 22 Current Rating 250  Logic Modules Current Rating 250  Opto 22 Logic Modules Current Rating 250   Current, Input 250 mA  Opto 22 Current, Input 250 mA  Logic Modules Current, Input 250 mA  Opto 22 Logic Modules Current, Input 250 mA   Current, Supply 250 mA DC  Opto 22 Current, Supply 250 mA DC  Logic Modules Current, Supply 250 mA DC  Opto 22 Logic Modules Current, Supply 250 mA DC   Depth 0.197" (5mm)  Opto 22 Depth 0.197" (5mm)  Logic Modules Depth 0.197" (5mm)  Opto 22 Logic Modules Depth 0.197" (5mm)   Dimensions 82.55 × 18.29 × 69.85 mm mm  Opto 22 Dimensions 82.55 × 18.29 × 69.85 mm mm  Logic Modules Dimensions 82.55 × 18.29 × 69.85 mm mm  Opto 22 Logic Modules Dimensions 82.55 × 18.29 × 69.85 mm mm   For Use With SNAP PAC System  Opto 22 For Use With SNAP PAC System  Logic Modules For Use With SNAP PAC System  Opto 22 Logic Modules For Use With SNAP PAC System   Interface RS485/RS422  Opto 22 Interface RS485/RS422  Logic Modules Interface RS485/RS422  Opto 22 Logic Modules Interface RS485/RS422   Length 3.25" (82.55mm)  Opto 22 Length 3.25" (82.55mm)  Logic Modules Length 3.25" (82.55mm)  Opto 22 Logic Modules Length 3.25" (82.55mm)   Module Type Isolated  Opto 22 Module Type Isolated  Logic Modules Module Type Isolated  Opto 22 Logic Modules Module Type Isolated   Mounting Type Rack  Opto 22 Mounting Type Rack  Logic Modules Mounting Type Rack  Opto 22 Logic Modules Mounting Type Rack   Number of Channels 2  Opto 22 Number of Channels 2  Logic Modules Number of Channels 2  Opto 22 Logic Modules Number of Channels 2   Number of I/O Ports 1  Opto 22 Number of I/O Ports 1  Logic Modules Number of I/O Ports 1  Opto 22 Logic Modules Number of I/O Ports 1   Primary Type Communication Module  Opto 22 Primary Type Communication Module  Logic Modules Primary Type Communication Module  Opto 22 Logic Modules Primary Type Communication Module   Special Features Individually Isolated Ports  Opto 22 Special Features Individually Isolated Ports  Logic Modules Special Features Individually Isolated Ports  Opto 22 Logic Modules Special Features Individually Isolated Ports   Standards CE, FM, DFARS  Opto 22 Standards CE, FM, DFARS  Logic Modules Standards CE, FM, DFARS  Opto 22 Logic Modules Standards CE, FM, DFARS   Supply Voltage 5 VDC VDC  Opto 22 Supply Voltage 5 VDC VDC  Logic Modules Supply Voltage 5 VDC VDC  Opto 22 Logic Modules Supply Voltage 5 VDC VDC   Temperature, Operating 0 to 70°C  Opto 22 Temperature, Operating 0 to 70°C  Logic Modules Temperature, Operating 0 to 70°C  Opto 22 Logic Modules Temperature, Operating 0 to 70°C   Temperature, Operating, Maximum 70 °C  Opto 22 Temperature, Operating, Maximum 70 °C  Logic Modules Temperature, Operating, Maximum 70 °C  Opto 22 Logic Modules Temperature, Operating, Maximum 70 °C   Temperature, Operating, Minimum 0 °C  Opto 22 Temperature, Operating, Minimum 0 °C  Logic Modules Temperature, Operating, Minimum 0 °C  Opto 22 Logic Modules Temperature, Operating, Minimum 0 °C   Temperature, Operating, Range 0 to +70 degC °C  Opto 22 Temperature, Operating, Range 0 to +70 degC °C  Logic Modules Temperature, Operating, Range 0 to +70 degC °C  Opto 22 Logic Modules Temperature, Operating, Range 0 to +70 degC °C   Type Serial  Opto 22 Type Serial  Logic Modules Type Serial  Opto 22 Logic Modules Type Serial   Width 0.72" (18.29mm)  Opto 22 Width 0.72" (18.29mm)  Logic Modules Width 0.72" (18.29mm)  Opto 22 Logic Modules Width 0.72" (18.29mm)