1)负载电流大于SSR的额定切换电流,这样会使继电器*短路,此时应使用额定电流较大的SSR。
2)在继电器所处的环境温度下,对于所承受的电流来说如散热不良,会损坏输出半导体器件,此时应使用较大的或更有效的散热片。
3)线电压瞬变引起SSR输出部分穿通,此时应使用额定电压较高的SSR或提供额外的瞬态保护电路。
4)使用的线电压**SSR的额定电压。
2、切断输入后SSR才断开
在SSR应该断开的时候,测量输入电压,如果测得的电压低于必须释放电压,表明断电器的释放电压太低,应更换继电器如果测得的电压**SSR的必须释放电压,则是SSR输入端前面的线路有问题,必须改正。
3、继电器不导通
1)在继电器应该导通时,测量输入电压,如果该电压低于必须动作电压,表明SSR输入端前面的线路有问题;如果输入电压**必须动作电压,查对电源极性并在必要时加以更正。
2)测量SSR的输入电流,如无电流,则系SSR开路,该继电器有故障;如果有电流,但低于继电器的动作值,是SSR前面的线路有问题,必须改正。
3)检查SSR的输入部分,测量SSR输出两端的电压,如果电压低于1V,表明继电器以外的线路或负载开路并应进行修理;如果存在线电压,则可能是负载短路,使电流过大引起继电器失ALLEN BRADLEY 1336S-BRF05-AA-EN-L6 DRIVE 1336 PLUS
KEYENCE LK-2001 CONTROLLER LASER
NIB ALLEN BRADLEY 609U-AAB MANUAL
NIB RELIANCE ELECTRIC 0-49022 CARDPAK AMPLIFIER CARD W/ 75976-18D PC
NIB ALLEN BRADLEY 849-ZOD323 SER. B
ALLEN BRADLEY 1771-QH FORCE CONTROL MODULE 1771QH, SER. A F/W REV. A
BANNER MSE2824 MINI-SCREEN
HONEYWELL KLOCKNER MOELLER 623-3096 STATUS DIS**Y 115/230VAC, 50/60HZ
DART CONTROLS MD10P-W1177
KEYENCE BL-600 LASER BARCODE SCANNER W/ MOUNT 650NM
SIEGER 05700-A-0311 , 05700-C-0316
NIB FIREYE 45UV5-1005 UV
APEX DYNAMICS AE070-100 GEAR REDUCER 100:1
ALLEN BRADLEY 22D-D4P0H204
TEMPOSONICS GPM0500MD601R01 G SERIES POSITION SENSOR 2793.19 M/S, 1142 0424
NIB HONEYWELL 31074399 MEREDIAN II PH
NIB HYDE PARK SM956A133000
BARTON INSTRUMENT SYSTEMS PRIME 002NC7
F/S DWYER 58S412 CONTROL MODULE TYLOR 6099-010150-0
MOTORTRONICS VCM-405-P VCM
ENERCON INDUSTRIES 134089-1 BOARD LM5407-02, FD6451-02, SD1957-02
INDRAMAT *2.1-S11-01.RS
ALLEN BRADLEY 1756-DNB DEVICENET BRIDGE/SCANNER
NIB HYDE PARK MICROSONIC SM201 PRXOIMITY SENSOR 420851 14-24VDC 20MA
FISHER CONTROLS 41B7289X022-91 RELAY OUTPUT BOARD CL6774X1-A2 REV. H, CL6774
FANUC A20B-1003-0340/02A PC BOARD A20B-1003-0340
VICKERS ASSY. 732 369 EG-09210 DIGITAL I/O BOARD EG09210 732367
REPAIRED HONEYWELL 620-0080 PROCESSOR MODULE 620 25/35
REPAIRED GE 193X643ABG222
DET TRONICS DE1777AT UV SENSOR MODULE 002181-01, 002326-01 REV. A
CONTROL CONCEPTS 3639/3839/3869
GENERAL ELECTRIC 6VFW2200 STATOTROL II DRIVE 6VFWC2200A4 6VRC2000A2
TOL-O-MATIC BC2211892 PNEUMATIC ACTUATOR BC2491066 CONFIG: BC215 SK10 TT2 SH2
BETTIS CBA315 PNEUMATIC ACTUATOR 40/120PSI, -20/200F
SCHNEIDER MODICON 140CPS21400 POWER SUPPLY 8AMP 24VDC, PV: 03, RL: 19
SCHNEIDER AUTOMATION 171CCS76000 PROCESSOR ADAPTER 256K, RS232, I/O BUS
SERVO DYNAMICS SDBDTL925-34 BOARD PART NO. 7300-8103
J.W. HARLEY INC. 40016MP POWER & ALARM PINGER BOARD ASY. 40021MP
GENERAL ELECTRIC 6VAF343005B-A2 VARIABLE FREQUENCY DRIVE AF-300
ALLEN BRADLEY 1784-KTX
FANUC A16B-3200-0054/06B OPTION BOARD A16B-3200-0054 W/ A20B-2902-0198/02A
A20B-2901-0960/05C
PRAXAIR SM-8100 JUNCTION
NEW TEXAS NUCLEAR 885740 I/O
STANLEY X5390 DIS**Y FOR T801 W/ 31106-03 DIS**Y UNIT MODULE 03601-85
HONEYWELL 365754-6 SERVO MOTOR 3657546, 120V 60CPS 11.5W GEAR RATIO 10:1
FANUC A16B-3200-0054/03A OPTION BOARD A16B-3200-0054 W/ A20B-2902-0192/02A
ALLEN BRADLEY 1775-MX A MEMORY COMMUNICATION MODULE 1775MX P/N: 96059675