任何一个连接到串口的设备都需要+5V的DC电源，该直流电源是由系列90-30电源模板提供的，在这里必须考虑计算大功率的消耗(参看第12章中标题为“电源模板容量计算”相关部分)。所有的系列90-30 CPU都安排有串口
GE FANUC A03B-0807-C002 / ABU05A 5-SLOT RACK, NIB
DAYCO 7212 GRAY LOW PRESSURE AIR/WATER/MULTI?PURPOSE-HOS
LABOD ELECTRONIC μPOS1.1 LS BOARD
FORCE CONTROL MB01-210-519-05 POSISTOP MOTOR BRAKE, NNB
PARKER 801-4 PUSH-LOC AIR HOSE, ?”X125′,
PARKER 801-4 GREEN PUSH-LOC AIR HOSE, ?”X250′,
PARKER EW10-102-10 HYDRAULICS, NIB
GENERAL ELECTRIC B295SR120HP ELECTRONIC BALLAST, LOT OF
MITSUBISHI ELECTRIC FREQROL 2HP VARIABLE FREQUENCY AC D
INDRAMAT RECO INTERBUS 24VDC INPUT MODULE RME12.2-32-DC..?.
ALLEN BRADLEY 1A-2.9A OVERLOAD RELAY 193-A2D1 SER A LO
MITSUBISHI ELECTRIC MELSERVO SERVO SYSTEM BACKPLANE MR-
BRADY 3460-6 SELF-STICKING LABEL, LOT OF 200, NNB (WRAP
INDRAMAT CTA 4 OPERATOR INTERFACE KEYPAD CTA04.1B PART
KEYENCE LIGHT CURTAIN MULTIBEAM 24 OPTICAL AXES PJ-S24
AMPHENOL RFX 46650-75RFX 1 WATT BNC MALE CAP, LOT OF 70
