而且位串 I1 的某位也为 1，那么位 串 I2 中的对应位将会在 0 和 1 之间交替变化，只要功能块 ENABLE 为 ON 则 每次扫描都会改变状态。如果使能接收到的为脉冲，且速率为期望速率的两 倍，可得到更长周期，使能接受到的应是一次扫描长度的脉冲（触发线圈或 自复位定时器）。
8 Alno Creations A887-3-AE Universal Backplate 7 1/4″
Kele RES-1 Universal Resistance Transducer
Fuji Multi Display 14-Light Annuciator Interface AP30C
Siemens 3RT1033-1AP60 Contactor
Nortel CDMA RF Surge Suppressor NOR-NTGS5ORS
Honeywell MS7510A2206 Spring Return Damper Actuator
ABB Kent-Taylor 61S414CR1M Low Pressure Unit 0/5 In.
Air Products and Controls SL-2000-N 4-Wire Duct Smoke D
FUJI Electric EL25PO Earth Leakage Protective Relay
Sanyo Denki 127K49570 Stepping Motor StepSyn
Natively Academy Spanish Version 7.2 Multimedia Languag
(2) TURCK VAS 22-B669-2M-RS 5.3T CABLE CORDSET
Jeep 3335.3351-04 05206453AF Key Fob Remote
Turck MS13-121 Ex0-R Amplifier Relay MS13121EX0R NOB
HCM Hitachi 23100-026 .050 PVC Ribbon Cable 100′
Honeywell VK8105M Gas Valve
