... ,DIGITAL OUTPUT MODULE (16 CHANNEIMDSO15,DIGITAL OUTPUT MODULE (8 CHANNELIMFBS01IMFCS01,FREQUENCY COUNTER MODULE 1 INPUTIMFEC11,ANALOG INPUT MODULE (15 INPUTS)IMFEC12 ... OF INSOEIPBLK01,POWER SYSTEM BLANK FACEPLATE SPAIPCHS01,POWER MODULE CHASSIS MOUNTS IPSYIPECB11,POWER ENTRY CIRCUIT BREAKER, 120IPFAN12,FANIPFAN14,POWER SYSTEM FAN, 120 - 240 VACIPFCH01,POWER FAN CHASSISIPFLD01 ...