Nanjing Nanrui Jibao PCS9611 Protection Device

Nanjing Nanrui Jibao PCS9611 Protection Device

1. Mechanical dimensions

The device adopts a fully enclosed design 4UHalf layer standard chassis, can be installed with grouped screens, or can be installed in the switchgearGround installation. Reference ruler for switchgear installation The installation dimensions of inch and group screen are shown separately 10.1-1and 10.1-2.

2 Grounding instructions

The switching operation of high-voltage equipment can generate transient overvoltage in the control cable. electricalThe device or circuit at the installation site is affected by electromagnetic interference The presence of disturbance induces interference currents within it. All of these may interfere with the normal functioning of electronic devicesfunction.

On the other hand, electronic devices in operation can emit signals that may affect other electronic devicesNormal operation interferes with electromagnetic fields.

In order to minimize these impacts as much as possible, it is necessary to follow some guidelines regardingStandards for ground, wiring, and shielding.

3 Grounding column of the device

The power supply of this device is located on the rear panel/Open a plugin（PWR）There is a grounding pole on top that can be grounded through a flat copper stranded wire. When grounded, To make the grounding with flat copper stranded wire as short as possible. The device can only be grounded at one point and is not allowed to be connected from device to deviceConnect the grounding terminal into a loop The road.

When the power supply/Open a plugin（PWR）When reliably and tightly inserted into the device chassis, the grounding terminal is connected to the metal shell of the device chassis. There are also grounding markings on other terminal blocks of the device, and all of these terminals with grounding markings are on the deviceInternally, it has been connected to the device machineBox connection. Therefore, the entire device only needs to be powered by a power source/Open a plugin（PWR ）The grounding pole on top is grounded.

4 Device communication grounding

When using Ethernet communication, if RJ-45 Interface and communication cable are necessaryStandard Category 5 wire with shielding must be used to crimp the crystal head The sequence of network cables must follow the standard; If fiber optic interfaces are used, when connecting or disconnecting fibers, they should be plugged in and outConnectors, cannot be pulled or pulled Twist or bend optical cables. Unconscible damage may increase the attenuation of optical fibers, leading to communication issuesThe letter is abnormal.

When used between devices and communication equipment RS-485To communicate through the interface, it is necessary to carefully confirm that the cable connection is completeOkay, I recommend using a shielded device Twisted pair cable. Communication wiring requirements: The shielding layer is grounded at one end, and when one pair of twisted pair cables is differentially paired, the other pair of twisted pair cables is groundedSignal ground.

5. Plugin configuration

5.1 CPUplugin

Nanjing Nanrui Jibao PCS9611 Protection Device

11.2 Operation circuit plugin

Operation circuit plugin NR4542(Standard) Used to perform various operations on circuit breakers, including tripping and closing contactsAlarm contact point. insert This applies to spring mechanism circuit breakers and permanent magnet circuit breakers without pressure mechanisms. The plugin comes with anti bounce function, allowing users toCan be based on actual work Cheng needs to choose whether to use the anti bounce function.

l Circuit breaker tripping position monitoring

Trip position relay（TWJ）Used to monitor the position of circuit breakersState. Connect the terminals 08 Connected to the normally closed auxiliary contact of the circuit breaker Control the negative terminal of the power supply or connect the terminals 08 And terminals 07 Short circuited and connected to the closing circuit can be used to monitor the tripping of the circuit breaker Gate position status. device“Jump position”The indicator light is always on to indicate that the circuit breaker is in the tripped positionSet the status.

l Circuit breaker closing position monitoring

Closing position relay（HWJ）Used to monitor the closing status of circuit breakers. Connect the terminals 05 Through the normally open auxiliary contact of the circuit breakerconnect to Control the negative terminal of the power supply or connect the terminals 05 And terminals 06 Short circuited and connected to the trip circuit can be used to monitor the closing of the circuit breaker Gate position status. device“Joint position”The indicator light is always on to indicate that the circuit breaker is in the closed positionSet the status.

l Control circuit disconnection monitoring

Closing position relay（HWJ ）The normally closed contact and trip position relay（TWJ ）Connect the normally closed contacts in series for transmission Output a disconnection alarm signal for the control circuit.

l closing circuit

Protect the closing signal from the terminal 09 Input, manual closing signal or remote control closingLock signal from terminal 10 Input. terminal 09 Connect to disconnect The closing circuit of the circuit breaker. Closing and holding relay（HBJ ）Start during the closing operation, and return after the circuit breaker is successfully closed Make current in 0.5A～4.0A Adaptive within the range. Even if the closing contact returns during the closing process, the closing relay remains in place（HBJ） The normally open point will remain closed until the circuit breaker is successfully closed.

l Trip circuit

Protect the trip signal from the terminal 02 Input, while manual trip signal and remote trip signal are from the terminal 04 Input. terminal 02 connect to The tripping operation circuit of the circuit breaker. Trip holding relay（TBJ ）Start during the tripping operation, and return after the circuit breaker trips successfully, Its working current is 0.5A～4.0A Adaptive within the range. Even if the tripping contact returns during the tripping process, the tripping holding relay（TBJ） The normally open point will remain closed until the circuit breaker trips successfully.

l Permanent loop

Permanent jump signal from terminal 03 Input, terminal 03 Connect to the circuit breaker's permanent tripping operation circuit.

l Closing position relay（KKJ）

Closing position relay（KKJ ）It is a dual position relay. When the circuit breaker is manually closed or remotely closed,KKJAction and protection Hold; When the circuit breaker trips manually or remotely,KKJWill return; When the protective action jumps offWhen using a circuit breaker,KKJ Not returning. KKJ The normally open contacts and TWJ The normally open contacts are used together as a condition for starting the reclosing, that is, inconsistent starting of the reclosing. open circuit When the device is in its normal position,KKJ for 1 ，TWJ for 0When the protective action or switch slips,KKJ for 1 ，TWJ also for 1 At this point, the protective device activates the reclosing. Plug in output closed position relay（KKJ ）The regular openingContact points are used to indicate KKJ Position status, output node terminal number is 19.

l Anti jump circuit

The implementation of the anti bounce function is achieved by tripping and holding the relay（TBJ ）And anti bounce circuit relay（TBJV ）Jointly achieved. protect Or when manually tripped,TBJ Action, while starting the trip holding circuit, connect to TBJV Coil loopThe road TBJ Normally Open Contact close. If there is a closing operation at this time (manual closing or reclosing)），then TBJV A coil is charged and connected in series with its coil circuit TBJV The normally open contact is closed, forming a self-sustaining circuit. Connected to the closing coil circuit TBJVNormally closed connectionClick to open, cut off the closing circuit, Avoid multiple tripping and closing of the circuit breaker.