用于一个和两个泵的控制；带备用泵启动系统；过热保护；泄漏监测
The Mercoid MPC Junior Pump Controller Provides Versatile Level Control In A Standard 1/4 DIN Package. Designed For Use With Almost Any Style Level Transmitter The Unit Displays The Present Level And Main Set Point Value. Incorporated In The MPC Jr. Is Programmable Level Differential For On/Off Control Of One Or Two Pumps, Valves, Or Other Devices Through Two SPDT Relays. Also Featured Are Two Additional Programmable Alarm Contacts With Front Alarm Light Indication.
The MPC Jr. Is Flexible And Incorporates A User-Friendly Programming Menu. The Front Face Meets NEMA 4X For Outdoor Panel Mounting.
• 用于双泵控制时,交替运行水泵,减轻磨损。
• 内带24VDC电源为变送器供电。
• 用户可选择编程安全锁定,或设定点安全锁定。
• 可选再变送4-20mA或2-10VDC。
• 水泵运行状态时的模拟输出信号用来激活水泵运行时间计时表。
Inputs: 4 (Or 0) To 20 MA DC Or 2 (Or 0) To 10 VDC Selectable.
Input Impedance: Current = 10 Ohms, Voltage = 5 K Ohms.
Output Ratings: Control Relays: SPDT, Rated 10A @ 240 VAC Res., 1/4 Hp @ 120 VAC, 1/3 Hp @ 240 VAC; Alarm Relays: SPST, 3A @ 240 VAC Res., 1/10 Hp @ 120 VAC; Others: 15 VDC @ 20 MA For Output One And Output Two.
Control Type: On/Off, Reverse (Pump Out) Or Direct (Pump In) Acting.
Power Requirements: 100 To 240 VAC Nominal, +10%-15%, 50 To 400 Hz, Single Phase; 132 To 240 VDC Nominal, +10%-15%.
Power Consumption: 7.5 VA Maximum.
Accuracy: ±0.25% Of Span, ±1 Least Significant Digit.
Display: Two 4-Digit, 7 Segment 0.56" High LEDs.
Display Resolution: 1 Count.
Memory Backup: Nonvolatile Memory (No Batteries Required).
Serial Communications: Optional RS-232 Or RS-485 With Modbus® Protocol.
Ambient Operating Temperature/RH: 14 To 131°F (-10 To 55°C); 0 To 90% Up To 104°F (40°C) Non-Condensing, 10 To 50% At 131°F (55°C) Non-Condensing.
Weight: 16 Oz (454 G).
Front Panel Rating: Meets UL Type 4X (IP66).
Loop Power Supply (Isolated): 24 VDC @ 50 MA, Regulated.
Agency Approvals: CE, CUL, UL.
NOTE: For Compatible Level Transmitters, See Mercoid Series PBLT2/PBLTX And SBLT2/SBLTX.
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