1771-IA/ABPLC模块
在RTU的四遥操作方面,由于PLC的电平以及功率容量同操作设备不可能正好一致,加上有电气隔离的要求,因此,必须增加辅助的电位转换、功率放大、电气隔离等模块和器件。
对于遥控,当PLC收到开关指令时,输出点到内部电源的通路被接通或关断,如果直接用输出点的输出电流去操作开关设备,则功率根本不够。因此,可把PLC的输出点作为一个小功率继电器的激磁电源,以控制该继电器的常开或常闭触点的开合,再由该继电器去控制配电网的配电开关的操作电源,使配电开关动作,线路或配电设备被投切。
1771-IA/ABPLC模块
1770-SC DATA HWY STATION CONNECTOR
1770-T1 PLC-4 PROGRAMMER
1770-T3 PLC-2 INDUSTRIAL TERMINAL SYSTEM
1770-T4 PLC-3 INDUSTRIAL TERMINAL
1770-TA INDUSTRIAL TERM CRT W/CVR AC PWR CORD NO KB
1770-XA CASSETTE TAPE
1770-XB KEYBOARD CONNECTOR COVER FOR 1770-TA
1770-XE DATA HWY 15 PIN CONNECTOR KIT (FEMALE)
1770-XF DATA HIGHWAY TERMINATOR SET
1770-XG DATA HIGHWAY TERMINATOR SET
1770-XH DATA HIGHWAY TERMINATOR SET
1770-XO LITHIUM D SIZE BATTERY FOR 1772-ME -MEB
1770-XP UV PROM MEMORY USE W/1772-LV SERIES A
1770-XR LITHIUM D CELL BATTERY W/TABS FOR PLC-3 MEMORY MDL
1770-XT REMOTE INPUT/OUTPUT LINK TERMINATOR
1770-XU UV PROM MEMORY USE W/1772-LV SERIES A
1770-XXP CONNECTOR KIT,MALE
1770-XXS CONNECTOR KIT, FEMALE
1770-XY AA LITHIUM BATTERY
1770-XYB LITHIUM BATTERY FOR PLC-5 ENHANCED PROCESSORS
1770-XYC LITHIUM BATTERY FOR PLC-5 PROCESSORS
1770-XYV PLC-5 VME PROCESSOR BATTERY
1770-XZ 1/2 AA LITHIUM BATTERY
1771-1773
MFR. PART NUMBER DESCRIPTION
1771-IA INPUT MODULE
1771-IA2 INPUT MODULE
1771-IB 8 INPUT MODULE
1771-IFE ANALOG INPUT
1771-IGC INPUT MODULE
1771-IJ ENCODER/CTR MOD
1771-IS MULTIPLEXER MOD
1771-IT FAST DC INPUT