Functionality of the basic unit 07 KT 98 User program 1 MB User data 1 MB + 256 kB RETAIN + 128 kB (Flash EPROM) Digital inputs 24 in 3 groups of 8 each, electrically isolated Digital outputs 16 transistor outputs in 2 groups of 8 each, electrically isolated Digital inputs/outputs 8 in 1 group, electrically isolated Analog inputs 8 in 1 group, individually configurable to 0...10 V, 0...5 V, +10 V, +5 V, 0...20 mA, 4...20 mA, Pt100 (2-wire or 3-wire), differential inputs, digital inputs Analog outputs 4 in 1 group, individually configurable to 0...10 V, 0...20 mA, 4...20 mA Serial interfaces COM1, COM 2 as MODBUS interfaces, for programming and test functions and as freely programmable interfaces Parallel interfaces for connection of couplers 07 KP 90 (RCOM), 07 KP 93 (2 x MODBUS), 07 MK 92 (freely programmable) System bus interface CS31 Integrated couplers see next page High-speed counter integrated, many functions configurable Real-time clock integrated SmartMedia Card memory medium for operating system, user program and user data LED displays for signal conditions, operating statuses and error messages Power supply voltage 24 V DC Data backup with lithium battery 07 LE 90 Programming software 907 AC 1131 as of V 4.1 (07 KT 98 with ARCNET interface) 907 AC 1131 as of V 4.2.1 (07 KT 98 with PROFIBUS-DP interface)
