Part Number Inputs Outputs Power Supply Number Type Number Type EC-20HRP 12 24V DC 8 Relay 85~264V AC EC-28HRP 16 24V DC 12 Relay 85~264V AC EC-40HRP 24 24V DC 16 Relay 85~264V AC EC-60HRP 36 24V DC 24 Relay 85~264V AC EC-D20HRP 12 24V DC 8 Relay 19.2~30V DC EC-D28HRP 16 24V DC 12 Relay 19.2~30V DC EC-D40HRP 24 24V DC 16 Relay 19.2~30V DC EC-D60HRP 36 24V DC 24 Relay 19.2~30V DC Part Number Inputs Outputs Power Supply Number Type Number Type EC-20HTP 12 24V DC 8 Transistor 85~264V AC EC-28HTP 16 24V DC 12 Transistor 85~264V AC EC-40HTP 24 24V DC 16 Transistor 85~264V AC EC-60HTP 36 24V DC 24 Transistor 85~264V AC EC-D20HTP 12 24V DC 8 Transistor 19.2~30V DC EC-D28HTP 16 24V DC 12 Transistor 19.2~30V DC EC-D40HTP 24 24V DC 16 Transistor 19.2~30V DC EC-D60HTP 36 24V DC 24 Transistor 19.2~30V DC Programming Program processing Cyclical processing of a stored program Speed 1.5µs per basic instruction Program Capacity 1949 Words Memory Type EEPROM Timers/Counters 96 in Total Timers (Basic Value) 0.01 to 9.99s, 0.1 to 99.9s, 1 to 999s (T0 to T9 from 0.1 to 999.9s) Counters (Basic Value) 1 to 999 (C0 to C9 from 1 to 999) Programming/MMI-Interface 1 x RS232, direct connection to PC or manual programmer Network Interface 1 x RS485, depending on type, max. 8 users in network Inputs / Outputs Digital Inputs 12 / 16 / 24 / 36, depending on type, 24V DC, NPN or PNP, 7mA/input Digital Outputs 8 / 12 / 16 / 24, depending on type, Transistor 0.5A or Relay 1.0A Analogue Inputs 2 analogue inputs, depending on type, 0-10V or 4-20mA, 11 bit Analogue Outputs 1 analogue output, depending on type, 0-10V or 4-20mA, 8 bit High Speed Counter Input Eight characters BCD, 2-channel incrementing or decrementing, max. 10KHz General Nominal Voltage 85V to 264V AC / 19.2V to 30V DC Nominal Frequency 47 to 63 Hz (AC Type) Max. Permissable Voltage Dip Less than 20ms Ambient Temperature 0 to 55°C Humidity 20 to 90% (no condensation) Working Environment No corrosive gases or dusts Working Elevation Up to 2000m