140-CHS-110-00

140-CHS-110-00

140-CHS-110-00

140-CHS-110-00

2、 数字量信号连接应注意的问题

变频器的输入信号中包括对运行/ 停止、正转/ 反转、点动等运行状态进行操作的数字量输入信号（开关型指令信号），这些信号常来自PLC 的数字量输出信号。PLC 通常利用其内部的继电器接点（继电器输出型P L C ）或具有开关特性的元器件（晶体管输出型PLC）与变频器相连，得到运行状态指令，如图1 和图2 所示。在进行数字量信号的连接时应注意：

（1）使用继电器输出型P L C 与变频器相连时，应注意接触不良常带来变频器误动作，因此在实际接线中要注意连接可靠。

（2）使用晶体管输出型P L C 与变频器相连时，应注意晶体管本身的电压的高低、电流的大小等限制条件在其范围内，保证系统的可靠性。

（3）设计变频器的输入信号电路时，应尽量避免采用继电器等感性负载，因继电器开闭产生的浪涌电流可能引起变频器的误动作。

（4）当P L C 输出的开关信号进入变频器时，有时会发生外部电源和变频器控制电源之间的串扰，应注意对P L C和变频器分开接地，避免两者使用共同的接地线。

CI801 3BSE022366R1

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TU847 3BSE022462R1+++++++++++++

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Pittman 8322S002 24VDC Motor

From Philippines

PITTMAN 14204C346 24VDC-14000 SERIES BRUSH MOTORS(3PCS)

From Poland

Pittman Motor 6204257-01 Rev. B 1024 CPR 48 VDC w/ Renco 77820-065 Encoder

Pittman 8314G181-R1 DC Servo Motor Encoder

Pittman 8314G182-R1 DC Servo Motor Encoder

C97298 Lot 8 Pittman 24VDC Automation Gear Motors w/ Encoders

PITTMAN GM14902E097 12-9900-035 30VDC MOTOR 

From Israel

NEW PITTMAN GM9234C141 GEAR MOTOR K-6917 REV 04 19.7:1 RATIO 48VDC

PITTMAN TELCOM 4231B465R1 DC SERVO MOTOR W/ HP ENCODER

PITTMAN TELCOM 4113B112 DC SERVO MOTOR

PITTMAN 14203D248 DC SERVO MOTOR WITH HEDS-5500 ENCODER

PITTMAN GM14902D347-R3 12-8800-019 30.3 VDC 500CPR MOTOR 

From Israel

BRAND NEW PITTMAN LO-COG 24 VDC MOTOR GM8212D027-R1

LOT OF 2 PITTMAN LO-COG MOTOR 9434J362-R1 12VDC

Pittman Motor GM9236E513-R1 24VDC 127.7:1 ratio

NEW PITTMAN 801433 MOTOR CABLE 10 FEET 1488448-0001-01

Pittman GM9234C262-R2 DC Motor

One-day shipping available

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One-day shipping available

PITTMAN GM9433L011-R1 BRUSH COMMUTATED DC GEARMOTOR 12 VDC 38.3:1 RATIO MOTOR

PITTMAN 142045 006 24VDC 500CPR STEPPER MOTOR

New PITTMAN GM14601C812 30 VDC 17.33:1 RATIO MOTOR 

From Israel

Weber Cable 808647 X4 Motor Connector w/Amp Connectors 20 ft Pittman Motor Cable

Lot 4 Pittman Ametek Gear Motor Actuator Screw 24V DC 65:1 Ratio 10:1 GM9413G421

ELCOM PITTMAN BRUSHLESS DC MOTOR W/ ENCODER CNC MACHINE 5193N001 EC110213

NWSL #30621-9 / O Scale or Larger (Motor/PITTMAN/ DC Skewed 7-Pole Balanced

Newly listedOld 1/24th Hubley Dragster Slot Car + Dynamic Chassis & Pittman Motor - 1960s

Unmounted Body - Dynamic Slicks & Mags on Rear

Pittman Gear Motor GM9413F490

Pittman Ametek Motor PICKER GM9391A051 IBM - 23R3170 24 VDC 96 CPR 6.3:1 Ratio

PITTMAN 24VDC MOTOR FOR WIND TURBINE GENERATOR OR SERVO MOTOR USE MADE IN USA

From Cyprus

Pittman Lo-Cog DC Motor GM9232C513-R5

PITTMAN LO-COG MOTOR 24VDC 14201E203 *S41

PITTMAN LO-COG 30.3 VDC MOTOR 14204E133-R2 WG60296 ( NEW )

Newly listedPittman 23186 Permanent Magnet DC Motor with encoder

One-day shipping available

pittman DC Motor gear 5.9:1 RATIO Stage XYZ CNC 24VDC TESTED GOOD

From Israel

PITTMAN 14204C346 24VDC - 14000 SERIES BRUSH MOTOR

From Poland

PITTMAN GM9236E513-R1 SERVO GEAR MOTOR 24VDC 127.7:1 RATIO LO-COG NEW

PITTMAN AMETEK BRUSHLESS DC MOTOR # A0422052NC-HCXX 24VDC 4000RPM NEMA17

Newly listedOld 1/24th Ram Pittman Revell Tyco MPC Slot Car Motors and Armatures NOS 1960s

Never Sold Old Slot Car Track Inventory - XLNT Cond

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Clear Case Full - Some Parts New - Tradeship HP Magnets

PITTMAN GM8712E495 24VDC 1804:1 Motor =

Pittman Lo-Cog GM9213K158 SCD16258-1

Pittman MT14202C652-R2 Single Shaft Motor 1000 RPM

Pittman MT142050546-R1 Single Shaft Motor 1000 RPM

3BDS008600R05

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3BDS008751R05

3BDS008752R05

3BDS008753R05

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3BDS008755R05

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