PC-1B series of remote control, remote potentiostat

An overview of PC-1B series of remote control, remote cathodic protection systems are widely used on the soil, water, fresh water, chemical medium pipes, cables, Steel Pier, gates, ship, bad storage, storage tanks, coolers and other metal structures or implement impressed current cathodic protection equipment, its advanced technical performance, high reliability and long service life. PC-1B series of remote control, remote cathodic protection system is equipped with a remote control, remote interface, enabling remote data transmission and remote control (instrument with Rs485). The system includes two sets of completely independent potentiostat and control switching circuit two potentiostat work can achieve fault automatically converted into constant current work status. 2 Standard Enterprise standard, the standard number: Q / FCLD020-2009 Reference standard: GB4793.1 measurement, control and laboratory use - Safety requirements for electrical equipment for the first part of the requirements of GB4750 General Guidance for lightning protection of electronic equipment GB / T3859.1 semiconductor change current basic requirements GB4208 enclosure protection rating GB / T2423.1 electrical and electronic products environmental testing procedures Test A: Cold Test method GB / T2423.2 electrical and electronic products environmental testing procedures Test B: high-temperature test methods GB / T2423. 3 electric and electronic products environmental testing procedures for test C: Damp heat test method JB / T4276 AC Product packaging technology packaging Pictorial marking conditions GB191 GB / T6388 transport package shipping mark GB / T9969.1 General Industrial Product Manual IEC1024 structural lightning protection three major technical indicators 3.1 3.1.1 Environmental conditions Operating temperature: -15 ℃ ~ + 45 ℃; 3.1.2 Storage temperature:.. -40 ℃ ~ + 55 ℃; 3.1.3 Relative humidity: 20 % ~ 90% RH; 3.1.4 Atmospheric pressure:. 86KPa ~ 106Kpa; 3.2 Power supply: AC single phase AC220V ± 10% 50Hz ± 10%; 3.3 Safety Requirements 3.3.1 Insulation resistance: power line instrument. Relative chassis insulation resistance of not less than 10MΩ. 3.3.2 Dielectric strength: the power line to the instrument chassis can withstand 1500V (RMS), the test voltage of 50Hz for 1min no flashover and breakdown. 3.3.3 Isolation voltage:. "Zero access yin" terminal equipment were on the "potential signal output" port, "current output" port, "the voltage signal output" port "on-off remote control signal" port can withstand 750V (RMS), the test voltage of 50Hz, which lasted 1min, no flashover or breakdown occurs. 3.4 Instrument rated output voltage and output current range Rated output voltage: 10V, 15V, 30V, 40V, 50V; rated output current: 10A, 15A, 20A, 25A, 30A, 35A, 40A, 50A; product specifications can also be based on user requirements. 3.4.1 output voltage, output current range: adjustable output voltage range is not narrower than 1% of the rated output voltage, output current is not adjustable range is narrower than 1% of rated output current. Rated output value according to user requirements. 3.5 Soft Start: The instrument has a soft start function; the boot, the output current increases slowly until it reaches the pre-control value, without the impact of current phenomenon. 3.6 Ripple factor: the instrument is working at the rated output state, the load factor of not more than 5% ripple. 3.7. The operating mode 3.7.1 Manual adjustment operation mode, constant potential mode of operation, the constant current mode of operation. 3.7.2 manually adjust the operating modes: manual continuously adjustable. 3.7.3 potentiostatic mode: Constant potential control range can be continuously adjustable within 0.000mV ~ -3000mV range. . 3.7.3.1 potentiostat precision: less than 5mV. . 3.7.3.2 protection potential drift: the instrument is working 24h at rated state, protection potential value change is not greater than 5mV. 3.7.4 When the reference electrode inside the instrument automation line failure or damage other reasons can not be constant potential of the instrument, the instrument automatically switches to constant current work status. 3.7.4.1. You can manually adjust the output of the constant current value. 3.7.4.2 constant current setting range: the constant current mode, the control current can be continuously adjusted in the range of 1% to 100% of rated output. 3.7.4.3. Constant accuracy of better than 2%. 3.7.5 Reference Input Impedance: Input impedance is greater than 1MΩ 3.8 potential error alarm function: When the protective potential deviation from the control potentiometer 30 mV ~ 100 mV, the instrument can sound and light alarm. 3.9 load characteristics: change when the load changes (minimum of not less than 1 / 3RdN), to protect potential value of less than 5mV, RdN rated load resistor. 3.10. Overcurrent protection 3.10.1. When the output current of 102% to 110% of rated output current value, the instrument automatically limiting the working state, concurrent sound and light alarm. 3.10.2. When the overcurrent longer than 20 seconds, the instrument automatically switches to constant current work status. 3.10.3 The instrument in the power input and output terminals equipped with a fuse, when the output overload or short circuit occurs, turn off the power. 3.11. The power failure test function 3.11.1. With manual control and remote control of two state controlled cathodic protection work function, that intermittent continuous power supply during the working status and test power (through 12S, off 3S) state. 3.11.2 Manual power failure test, switch-selectable test instrument into an intermittent power supply status, pass 12 seconds, three seconds off. . 3.11.3 Remote control power failure test: instrument in working condition when a constant potential or constant current work status, receive remote control on-off signal, the instrument automatically enters the intermittent power supply test state, pass 12 seconds, three seconds off. Remote controlled response time of less than 50ms. 3.11.4 In the test period, the output current is interrupted 3S does not alarm, turn off state when not appear from the current impact of the phenomenon. 3.12 Test Function 3.12.1. Meter has an accuracy of ± 0.5% of the number table ,, respectively measuring the output voltage, output current, the tube to (protect) potential. 3.12.2. AC input voltage can be monitored. 3.12.3. Measurable energy consumption recording instruments running. 3.13. Select the device operating status by the switch to select either a potentiostat operational. Device also features an interlock device to prevent two potentiostat and put into operation. 3.14 and 3.14.1 RTU interface with a transfer phase (protect) the potential of remote interface pipe, the pipe will be 0 ~ -3000mV to (protect) the potential signal isolation converted into 4 ~ 20mA standard industrial signal from the "Rs485" Output transform accuracy should be no more than 1%. Response time less than 0.3 seconds. 3.14.2 has a current signal remote interface, the 0 to rated output current signal isolation converted into 4 ~ 20mA standard industrial signal from the "Rs485" output, conversion accuracy should be no more than 1%. 3.14.3 has a voltage signal remote interface, the 0 to the rated output voltage signal isolation converted into 4 ~ 20mA standard industrial signal from the "Rs485" output, conversion accuracy should be no more than 1%. 3.14.4 industry standard communication interface output load resistance range: 0 ~ 600Ω; 3.15 Lightning Protection 3.15.1 instrument input and output terminals equipped with lightning protection circuit, and in accordance with the provisions of IEC1024. 3.15.2 In the instrument output anode terminal, a cathode terminal output relative ground for the introduction of magnitude 1.5 to 2.0 million volts, repeat cycle 1 ~ 5S, 25mS pulse width of the pulse wave, the time of 1min, the instrument can work properly. 3.15.3 line between anode, cathode lines: limiting voltage: 100 ~ 150V; overvoltage current capacity 10KA (8 × 20μS), leakage current ≤ 20mA. 3.15.4 anode line between the zero line: limiting voltage: 100 ~ 150V; overvoltage current capacity 10KA (8 × 20μS); Leakage current ≤ 20mA. 3.15.5 reference, between the zero line: limiting voltage 5V; overvoltage flow capacity of 54A (10 × 1000μS); leakage current of less than 0.3μA (3V). 3.16 3.16.1 anti-hum characteristic parameters than the signal-interference ability: changes between "reference electrode" terminal and the "zero access yin" terminal join 50Hz, 30V voltage disturbance, protect potential value of not more than 5mV. 3.16.2 anti-transient interference: the reference input of the moment after the overcurrent withstand 1000V, the instrument can still work. 3.17 Power Input features: grid voltage within 10% 50Hz ± 10% range in AC220V ±, protection potential change in value of less than 5mV. 3.18 remote control for a given function: When the RTU "remote control for a given signal" is transmitted to the potentiostat "Rs485" inputs, "Rs485" transformed into an output current greater than 3.8 mA when, PC-1B / 2 remote control cathodic protection system Given the potential control by distance. When the RTU "remote control for a given signal" is transmitted to the potentiostat "Rs485" inputs, "Rs485" converted into the output current is less than 3 mA, given the potential of PC-1B / 2 remote control cathodic protection system by the machine "Control adjust" potentiometer control. When the RTU "remote control for a given signal" is transmitted to the potentiostat "Rs485" inputs, Rs485 converted into standard industrial signal output 4m A ~ 20mA in working machine "remote control for a given signal" on converting 0 ~ - 3000mV potential signal to the timing, the conversion error should not exceed 0.3%. 3.19 remote control switch function: potentiostat "Rs485" input received "A machine sorting machine signal" "Rs485" converted into a pulse width of the output amplitude of + 1s is high pulse signal of 24V, A machine should be able to work, B machine out of operation; potentiostat "Rs485" input received "B machine sorter signal" "Rs485" converted into a pulse width of the output amplitude of + 1s 24V high pulse signal when B machine should be able to work, A machine out of operation. Indicator should be the appropriate instructions. 3.20 remote control switch function: potentiostat "Rs485" input received "shutdown signal" "Rs485" the output pulse amplitude for 1s + 24V pulse signal is high, the system should be able to shut down properly. 3.21 Dimensions: Height 1400 (mm) × width 620 (mm) × depth 680 (mm)