ICS Triplex T3401
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开关量输出模块的选择
开关量输出模块是将PLC内部低电压信号转换成驱动外部输出设备的开关信号,并实现PLC内外信号的电气隔离。选择时主要应考虑以下几个方面:
1)输出方式
开关量输出模块有继电器输出、晶闸管输出和晶体管输出三种方式。
继电器输出的价格便宜,既可以用于驱动交流负载,又可用于直流负载,而且适用的电压大小范围较宽、导通压降小,同时承受瞬时过电压和过电流的能力较强,但其属于有触点元件,动作速度较慢(驱动感性负载时,触点动作频率不得超过1HZ)、寿命较短、可靠性较差,只能适用于不频繁通断的场合。
对于频繁通断的负载,应该选用晶闸管输出或晶体管输出,它们属于无触点元件。但晶闸管输出只能用于交流负载,而晶体管输出只能用于直流负载。
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NEW MARTIN 35B12 12 TOOTH 1/2IN ROUGH BORE CHAIN SINGLE ROW SPROCKET D325190
NEW MARTIN 50B10 ROUGH BORE SINGLE ROW CHAIN SPROCKET D427019
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30-83-9A 26 TEETH 1 1/8 IN SINGLE ROW CHAIN SPROCKET B435944
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NEW MARTIN D100B26 26 TOOTH ROUGH BORE CHAIN DOUBLE ROW 1-1/2IN SPROCKET D277479
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NEW DODGE RELIANCE 099052 5018F TL CHAIN C SINGLE ROW CHAIN SPROCKET D375389
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NEW DODGE 28 8M 30 TIMING BELT SINGLE ROW 1IN BORE SPROCKET D345414
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NEW TSUBAKI 50B18F 3/4 CHAIN SINGLE ROW 3/4IN BORE SPROCKET D345746
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NEW MARTIN 35BTB20 1008 20 TOOTH CHAIN SINGLE ROW SPROCKET D329620
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NEW TB WOODS P565M15 SH QD BORE STEEL TIMING BELT SINGLE ROW SPROCKET D324582
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NEW MARTIN 50BS18 18 TOOTH CHAIN SINGLE ROW 1-1/2 IN SPROCKET B292665
NEW MARTIN 40BTB28 1610 TAPERED BUSHED SINGLE ROW SPROCKET D238589
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TSUBAKI D35-18 12 TEETH CHAIN SINGLE ROW 3/4IN SPROCKET B301480
NEW MARTIN 60BS22 1 22 TOOTH CHAIN SINGLE ROW 1 IN SPROCKET D302868
NEW MARTIN 40BS13 3/4 CHAIN SINGLE ROW 3/4 IN SPROCKET D266294
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NEW REXNORD 614-60 7700-18T CXSKA030-0001ZS SPLIT 1-1/2IN CHAIN SPROCKET D382867
NEW REXNORD NS820-12T 1-1/4 KWSS 614-34-3 SPLIT 1-1/4IN BORE SPROCKET D305758
MARTIN 50B22 22TOOTH 1-3/16 IN SINGLE ROW CHAIN SPROCKET B418619
NEW MARTIN 50B23 CHAIN SINGLE ROW SPROCKET 3/4IN BORE D230747
NEW MARTIN 50TTA22-35 22 TOOTH TORQUE LIMITER CHAIN 2 IN SPROCKET D246199
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NEW MARTIN 40B36 5/8 IN SINGLE ROW CHAIN SPROCKET B375840
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NEW MARTIN 50BS23 1 3/8 23 TOOTH CHAIN SINGLE ROW 1-3/8 IN SPROCKET D303184
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NEW MARTIN 50BS16 1-1/4 SINGLE ROW CHAIN SPROCKET D414814
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NEW DODGE RELIANCE 100511 40BTL25H 1610 SINGLE ROW 2-1/8IN BORE SPROCKET D303223
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NEW GATES 8M-25S-21 77210090 POLYCHAIN GT 1 IN BORE SPROCKET D388970
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NEW MARTIN 50B23 CHAIN SINGLE ROW 3/4IN BORE SPROCKET D268108
NEW BROWNING 40B38 ROLLER CHAIN SINGLE ROW 5/8 IN SPROCKET D344474
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NEW MARTIN 80BS13 1 3/8 CHAIN SINGLE ROW 1-3/8IN BORE SPROCKET D345431
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NEW MARTIN 08B15 BORE 1 IN SINGLE ROW CHAIN SPROCKET D426090
NEW DODGE 5018H 1610 BUSHING CHAIN SINGLE ROW 1-1/2 IN SPROCKET B292415
NEW MARTIN 40A27 CHAIN SINGLE ROW 3 IN SPROCKET D286032
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NEW MARTIN 50BS23 1-7/16 CHAIN 1-7/16 IN BORE SPROCKET D260279
NEW MARTIN 50BS15 1 1/8 CHAIN SINGLE ROW 1-1/8 IN SPROCKET D275459
NEW MARTIN 06B30 CHAIN SINGLE ROW 3/4 IN SPROCKET D351432
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NEW BROWNING H40P24 CHAIN SINGLE ROW 1-7/8IN BORE QD SPROCKET D345678
NEW MARTIN 40BS12 3/4 12 TOOTH 3/4 IN SINGLE ROW CHAIN SPROCKET D377482
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MARTIN 35B33 1/2IN ROUGH BORE SINGLE ROW CHAIN SPROCKET D387693
NEW MARTIN 35B23 SINGLE ROW CHAIN SPROCKET D429636
NEW MARTIN 40B16SS STAINLESS CHAIN SINGLE ROW 1-5/16IN BORE SPROCKET D234676
NEW REXNORD NS8500-17T 40MM DOUBLE ROW SPROCKET D383680
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NEW MARTIN D40B24H CHAIN DOUBLE ROW 1-3/8IN BORE SPROCKET D285769
NEW MARTIN 50A43 STEEL CHAIN SINGLE ROW 2-3/4IN BORE SPROCKET D348688
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NEW MARTIN 50A32 STEEL CHAIN SINGLE ROW 2-3/4IN BORE SPROCKET D348751
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NEW MARTIN 60A16 CHAIN SINGLE ROW 3/4 IN SPROCKET D253349
NEW MARTIN 40BTB30 1610 TAPER BUSHED CHAIN SINGLE ROW SPROCKET D365011
NEW AMETRIC 1/2-15 CHAIN SINGLE ROW 3/8 IN SPROCKET D303392
NEW MARTIN 40BS13 5/8 CHAIN SINGLE ROW 5/8 IN SPROCKET D274591
NEW MARTIN 35BS23 KEYWAY 1 IN SINGLE ROW CHAIN SPROCKET D370457
NEW MARTIN 50SH18 CHAIN SINGLE ROW TAPER BUSHED SPROCKET 18 TOOTH D323847
NEW MARTIN 60C33 47MM SINGLE ROW CHAIN SPROCKET D461277
MARTIN 40A14 1 IN DOUBLE ROW CHAIN SPROCKET B370863
NEW MARTIN 40B20F CHAIN SINGLE ROW 1-1/2 IN SPROCKET B279494
NEW TSUBAKI 80B24TL 24 TOOTH CHAIN SINGLE ROW 1-11/16 IN SPROCKET D303972
NEW LINN GEAR 60B17 1-5/8 IN BORE SINGLE ROW CHAIN SPROCKET D462202