Ceco electronics offers a wide range of variable frequency drives. Inverter starvert ih comes with the following standard features: cpu - 32 bits high speed dsp; control method - volts/hz with space vector; pwm technology; 2 ai, 3 ao; ct, vt dual ratings; 6 multi-function inputs; 5 multifunction outputs [3 open - collectors, 2 relays]; 2 - 10 khz carrier frequency; 0.5 - 400 hz o/p frequency; 2 - 10 khz carrier frequency; external control for dc injection braking. Options: communication board; rs-485; f-net; modbus - rtu; device - net; profibus; and dynamic braking unit.