1786-RG6
1786-RG6

.2用于模拟量控制

模拟量，如电流、电压、温度、压力等等，它的大小是连续变化的。工业生产，特别是连续型生产过程，常要对这些物理量进行控制。

作为一种工业控制电子装置，PLC若不能对这些量进行控制，那是一大不足。为此，各PLC厂家都在这方面进行大量的开发。目前，不仅大型、中型机可以进行模拟量控制，就是小型机，也能进行这样的控制。

PLC进行模拟量控制，要配置有模拟量与数字量相互转换的A／D、D／A单元。它也是I/O单元，不过是特殊的I/O单元。

A/D单元是把外电路的模拟量，转换成数字量，然后送入PLC。D/A单元，是把PLC的数字量转换成模拟量，再送给外电路。

Foxboro Integrator SQD Root Card 2AX-INT-L

Pyrotenax Communication Controller 780 Series GCC9000

Optical Cable Corporation Optic cable BX06-095D-W35SB

Dynamatic Positive Base Driver Board 15-591-7

General Electric PC Board 4006L5034 G001 2

Red Valve Control Pinch Valve Series 5200

Siemens AC Drive 6SE6440-2UE22-2CA0

Saunders 20" RS Valve Seat RKRS0500

Fybroc Backplate 1500 6" X 8" X 13"

Flexonics Expansion Joint w/Steel Rings 14" x 8"

Dow PVDF Lined Reducing Tee 6" X 6"

IFM Electronic Efector 300 Compressed Air Meter SD2001

Ethylene Flexijoint PTFE Expansion Bellows 6" 06DOBA-6

Flexonics Expansion Joint & Steel Rings 14 X 12 X 12"

ABB Interface Measurement Board 3BSE004940R0001

ABB Interface Measurement Board 3BSE004940R1

Foxboro Ph Transmitter 870ITPH-FYCAA-7

GEC Transformer Differential Relay MBCH12D1BD0751B

ABB Measuring Board Card 3BSE004939R1 SDCS-PIN-51

Hansen Shaft Mount Speed Reducer SMR207

Vibra Screw Neoprene Sleeve SLEV-NB-6004

Asco Solenoid Valve 4 Way 3/4 NPT EF8344G76

Endress+Hauser Level Switch DC11TAS-AN1355PMR1

Rosemount Pressure Transmitter 2088 G2S22A1S1B4M504

Brooks Variable Area Flowmeter 3810A14CARAA1A1

Stealth Panel Mount LCD Monitor 15" SV-1500N2-PM-RT

Foxboro Pressure Transmitter IDP10-D46B21C-M1L1C1K1V

GE Display Panel 32 LGT Keypad 104X905 EA 024

Siemens Numerical Overcurrent Protection 7SJ5115-4GA13

Brooks Variable Area Flowmeter 1" MT 3819

Biothermica Thermal Oxidizer Valve 14" Dia

Hy-Grade Check Valve 1" P01-GHH-F4

Hy-Grade Check Valve 1" P01-GHH-G4

Brooks Variable Area Flowmeter 1" MT 3819

Autogard Power Monitor E-510 for AC Motor

Brooks Flow Meter 1" MT 3819

Denison Proportional Throttle Valve F5C08-312-160-B1

New York Blower Shaft Viton Seal Assy U-04070-105

Foxboro Vortex Flowmeter 83F-D1HS1SSTJA

ABB Bailey Pulse Input Slave Module IMDSM04

Daytronic Controller 4033 series

Allen-Bradley 5 HP Drive 1336F-CWF50-AN-EN

Reliance Electric Field Regulator Module 57412-D