Foxboro FBM217

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随着PLC技术的发展，其数据存储区越来越大。如德维森公司的PLC，其数据存储区（DM区）可达到9999个字。这样庞大的数据存储区，可以存储大量数据。

数据采集可以用计数器，累计记录采集到的脉冲数，并定时地转存到DM区中去。

数据采集也可用A/D单元，当模拟量转换成数字量后，再定时地转存到DM区中去。

PLC还可配置上小型打印机，定期把DM区的数据打出来。

PLC也可与计算机通讯，由计算机把DM区的数据读出，并由计算机再对这些数据作处理。这时，PLC即成为计算机的数据终端。

电力用户曾使用PLC，用以实时记录用户用电情况，以实现不同用电时间、不同计价的收费办法，鼓励用户在用电低谷时多用电，达到合理用电与节约用电的目的。

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ALLEN BRADLEY TYPE F 24VDC COIL CONTROL RELAY 700DC-F220Z24 SER C *NEW*
 
RELECO 10A 380V RELAY LOT OF 6 C3-A39DX
 
GE 1.3-1.9A MOTOR STARTER RELAY CONTACTOR CR7G1XG 99772
 
DURAKOOL MERCURY RELAY BF2-7027

AMERICAN ZETTLER 24VDC RELAY LOT OF 3 AZ420-70-4L
 
DAYTON 7A 300VAC RELAY SOCKET LOT OF 2 2A584E
 
POTTER & BRUMFIELD 24VDC 1HP 25A RELAY NIB PRD5DYO
 
ALLEN BRADLEY RELAY LOT OF 3 700-HA32A1-1 SER B
 
OMRON RELAY LOT OF 2 MK2PN-S
 
DAYTON RELAY SOCKET BASE LOT OF 2 5X852N
 
MOELLER 0.4-0.6A OVERLOAD RELAY ZE-0.6 / 1099D09S2050350 99756
 
ABL SURSUM TYPE-M TIMING RELAY D26M-2 102968
 
OMRON RELAY LOT OF 5 G2A-432A
 
GE 750V 6-10A OVERLOAD RELAY MT03L 99775
 
SQUARE D RELAY W/ CONTACTOR LC1 D18 / LRD1521 105591
 
ALLEN BRADLEY INTERPOSING RELAY 3A 4PDT 24V DC 700-HC14Z24-1-4 SER C
 
IDEC AC120V RELAY LOT OF 6 RR3PA-U

IDEC 10A 300V 8-PIN RELAY SOCKET BASE SH2B-05 103153
 
OMRON RELAY MY2N W/ BASE PY08A LOT OF 5
 
IDEC 120VAC RELAY RY4S / 24Z20

    
SCHRACK 10A 380V RELAY LOT OF 5 MR78700
 
DANFOSS 25A IEC 947-4-1 OVERLOAD RELAY CI 15 101325
 
IDEC 24VDC RELAY LOT OF 3 RH4B-ULC
 
ALLEN BRADLEY 110/120VAC OR 120VDC COIL SOLID STATE TIMER 700-RTC41S300U1 *NEW*
 
OMRON 240V 10A RELAY SOCKET LOT OF 2 PF113A-E
 
OMRON 120 VAC RELAY WITH BASE LOT OF 4 LY2 101317
 
ALLEN BRADLEY DIRECT DRIVE AC RELAY 700-P200A1 SER. B *LOT OF 10*
 
PILZ EMERGENCY STOP/SAFETY GATE RELAY PNOZ XV2 2S 2 SZ
 
RELECO RELAY WITH BASE LOT OF 4 C7-A20 X
 
OMRON 24VDC RELAY LOT OF 3 MY2N-D2
 
OMRON 24VDC RELAY W/ BASE LOT OF 5 MY2N
 
IDEC RELAY LOT OF 4 RH2B-U
 
PILZ SAFETY RELAY PZE X4V 2/24VDC 4N/O FLX
 
OMRON 24VDC RELAY LOT OF 10 G7SA-5A1B
 
OMRON RELAY W/ BASE LOT OF 4 G2R-1-1/P2RF-05?-E
 
MITSUBISHI 600VAC OVERLOAD RELAY IEC 60947-4-1
 
NAIS 7 AMP 50/60HZ RELAY HJ2-DC24V / AHJ3222 101717
 
ALLEN BRADLEY 24VDC 15A RELAY W/ BASE 700-HB33Z24-4 SER E
 
POTTER & BRUMFIELD 24VDC MINI RELAY LOT OF 5 KHAU-17D12-24
 
B/W CONTROLS 120/480V 50/60HZ LIQUID LEVEL CONTROL RELAY 1500-D-L1-S9
 
ALLEN BRADLEY RELAY LOT OF 5 700-HLT1Z*_ SER A 99615
 
SKY ELECTRONICS 120VAC RELAY LOT OF 2 SKKP-2C
 
SQUARE D RELAY W/ CONTACTOR LC1 D18 / LRD1521 105591
 
OPTO 22 I/O MODULE AC RELAY MODULE LOT OF 3 OAC 5
 
MOTOMAN SAFETY RELAY CIRCUIT BOARD 137680-1 REV.5
 
NCC CONTROLS SOLID STATE TIMER T1K-2-461
 
ALLEN BRADLEY 10A 120V RELAY LOT OF 2 700-HA32A1 SER D 101304
 
ALLEN BRADLEY 24 VDC RELAY LOT OF 2 700-HB33Z24-1-4 SER B
 
POTTER & BRUMFIELD 12VDC RELAY LOT OF 2 KRPA-11DG-12
 
CUTLER HAMMER OVERLOAD RELAY C306GN3 SER A1
 
AUTOMATION DIRECT RELAY LOT OF 4 784-4C-24A
 
ALLEN BRADLEY 120V RELAY LOT OF 5 700-HF32A1-4 SER B
 
ALLEN BRADLEY 230VAC 10A RELAY SER.C 700-HA32A1-4 102409
 
GORDOS RELAY IAC5N
 
ALLEN BRADLEY 1/10HP 120VAC SAME POLARITY C300 RELAY LOT OF 5 0221B
 
IDEC RELAY LOT OF 4 RR2P-UL
 
NAIS RELAY LOT OF 4 HC3-H-DC24V
 
ALLEN BRADLEY 1.6-5.0A CLASS-10 OVERLOAD RELAY SER.A 193-A4E1 99698
 
ALLEN BRADLEY 24V DC 10A RELAY WITH BASE LOT OF 5 700-HA32Z24-3-4 101322
 
IDEC 7A 300V RELAY SOCKET BASE LOT OF 4 SY4S-05
 
POTTER & BRUMFIELD 120V 1/10HP 3A RELAY LOT OF 7 KHU-17A11-120
 
ALLEN BRADLEY 24VDC RELAY LOT OF 5 700-HB33Z24-1-4 SER B
 
ALLEN BRADLEY 24VDC 10 AMP RELAY LOT OF 4 700-HA32Z24-3 SER D
 
SPRAYMATION TIME DELAY RELAY 450984 *NEW*
 
ALLEN BRADLEY 120VAC RELAY LOT OF 2 700-HC24A1
 
ALLEN BRADLEY 120VAC RELAY SER.A LOT OF 3 700-HA33A1-1-4
 
IDEC 120VAC RELAY LOT OF 5 RR2PL
    
NCC CONTROLS SOLID STATE TIMER T2K-5-461
 
POTTER & BRUMFIELD 28VDC 1/10HP 3A 120VAC RELAY LOT OF 4 KHU-17D11-24