Juice Machine.Manufacture
Temperature controller.
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Juniper networks pb-4e1-rj48 hdlc 4 port e1 services pic new open boxnew open box 90 day warrantycables not includedmsrp $10, 000featuresproduct description: juniper networks physical interface card - expansion module - 4 portsform factor: plug - in moduleports qty: 4 portsdata link protocol: hdlc, frame relay, pppdata transfer rate: 2.048 mbpsline rate: e-1connectivity: wiredline coding formate:
Description Secure services gateway 20 with 2 port mini-pim slots, 256 mb memory Firewall perf (large packets) 160 mbps Firewall performance (imix) 90 mbps Firewall packets per second 30, 000 pps 3des+sha-1 vpn perf 40 mbps Concurrent vpn tunnels 25/40* Gift pack
Digital integration with analog switch and gauge An integrated control for high, low-pressure protection and high-pressure fan Various selectable display units such as MPa, kgf/cm2, bar and psi Automatic/manual reset, selection of various refrigerants Precise pressure control, sensor offset and sensor error detection
Digital integration with analog switch and gauge High-pressure protection, low-pressure protection and oil pressure protection, an integrated high-pressure fan control Various selectable display units such as MPa, kgf/cm2, bar and psi Automatic/manual reset, selection of various refrigerants Precise pressure control, sensor offset, sensor error detection
- Integrated module with temperature, humidity sensor - Up to 100 nodes can be connected (RS485 models) - Compact design, slim size - Easy installation, offer 3 meter cable - Support the various types of communications protocol
Control of multiple rack compressors Control of up to 8 units (compressors and/or CDUs)- default: 4 compressors + 4 condensers Efficient control of multiple units (setting up on/off respectively or between steps) Perfectly even operation time (less than 1 hour of difference in total time) Pressure/temperature control (intake pressure and discharge pressure respectively or linked control) Powerful trip data log (up to 160 events) Optimal control of condensing fan speed (4-20mA PID control) Transmission (pressure and temperature) PC monitoring system via RS485 of MODBUS protocol
Adoption RISC MICOM with high reliability Easy to maintain and analyze troubles of equipment by storing 160 trip alarms log Best calculation function of defrosting timing by various combination of 8 sources Embedded day-timer to enable energy-saving operation Easy expansion due to various analog transmission output function
Temperature and humidity control function, maximum 6 loop of independent step operating function Alternative operation by maximum 4 compressors and 8 heaters Backup operating function Prevention from frequent starting failure occurred by low pressure hunting using low pressure switch in compressor Successive starting function, pump down function and prevention from restarting function Control function for cold water, hot water, steam valve, SCR, damper designed for HVAC (4-20mA PID control) Detection of error in temperature and humidity sensor, alarm function and output of equipment state (cooling and dehumidification and heating and humidification)
Efficient receptor/scroll compressor control and convenient operation and maintenance Various applications (chiller, CDU, spot cooler, water-cooled/air-cooled refrigerator and heat pump system) Trip data log (up to 160 events) Powerful timers (start delay, auto-stop delay and pump-down delay) Temperature and pressure control (inlet/outlet temperature, intake pressure and discharge gas temperature control)
Efficient step/stepless control, convenience for operation and inspection One-touch setup function (choosing the maker automatic setup according to their basic spec) (Bitzer, Hitachi, Refcomp, Fusheng, Hanbell, Mitsubishi, Roltec and Kobe) Strong timer function (step delay, start delay, auto-stop delay, restart delay and pump down delay) Temperature control, pressure control (input temperature, output temperature, intake pressure control, discharge gas temperature control and observation)
Humidification (heating)/dehumidification (cooling) output Switching display of temperature and humidity High/low limit alarm Sensor calibration Sensor error detection and on/off output control Minimum on/off duration time
1.Overall control and monitor (protection) of refrigerator 2.Start, restart, pump down, alarm delay timer, discharge gas detection (high and low temperature) 3.Individual alarm message (OC, HP, LP, OP, INT) 4.Liquid injection (discharge gas detection)
Heating or cooling output Sensor calibration Sensor error detection Auto save and restoration of parameter values Minimum on/off duration time Manual relay control Analog signal output (4-20mA) Communication via RS485 Modbus
Efficient step control Multi/semi-multiple control CDU control Intelligent rotation Low/high pressure alarm Sensor calibration Sensor error detection
VSD (variable speed drive) and energy saving 1-2 stage oil-free screw compressor control Large display and easy-to-use user interface Trip data log Convenient maintenance Various analog signal outputs (options) Compact all-in-one type with high performance and powerful functions RS485 communication (Modbus) and scalability
Efficient control of multiple oil-free scroll compressors Intelligent balance control by rotation Large display and easy-to-use user interface Trip data log Convenient maintenance Compact all-in-one high performance and powerful functions Analog signal output of pressure (4-20mA) RS485 communication (Modbus)
VSD (variable speed drive) and energy saving Large display and easy-to-use user interface Trip data log Convenient maintenance Various analog signal outputs Compact all-in-one high performance and powerful functions RS485 communication (Modbus)
