Unit 8A Arnhem Road Newbury. RG14 5RU SM 3300 - Interface modules Models INT MOD ANA INT MOD SER INT MOD DIG INT MOD CON General Features Description Isolated analog interface Multi-protocol serial interface Digital I/O interface Isolated contacts interface Analog controller interface High accuracy, low drift 16 bit AD and DA conversion Compatible with other Delta Elektronika 15p analog interfaces Factory calibrated for optimum accuracy Isolated contacts 4 relays with make-and-break contacts Additional (floating) Interlock with 24V enable system Programmable via Ethernet Plug and play for the SM3300 series power supplies Multiple interfaces possible per power supply Isolated from the output voltage Working voltage 1000V Floating with respect to earth 8 inputs Logic high = 2.5 ... 30V, Logic low = 0V 8 Open Drain outputs 0 - 30V, max. 200mA Programmable via Ethernet or sequences Serial controller interface Multi protocol RS232, RS485, RS422, USB Web based config

Isolated Analog Controller interface Typical Applications • Analog programming of voltage and current • Analog monitoring of voltage and current • Remote monitoring of the status signals: OverTemp, Limit, PowerSink OverLoad • Remote Shut down of the power output using a 5V signal Specifications Analog Programming Programming inputs input range accuracy offset temp. coeff. offset input impedance Monitoring output output range accuracy offset temp. coeff. offset output impedance Reference voltage on prog. connector +12 V output on prog. Connector Status outputs CC - status LIM- status OT - status...

Serial interface (multi-protocol) Typical Applications • RS232 Programming • Balanced RS422 Programming • USB Programming • Balanced RS485 Bi-directional Programming Communication speeds (bps) Insulation prog. connectors - internal circuits prog. connectors - earth Safety Operating Temperature Humidity Storage temperature Programming connector Pluggable, SM3300 interface slots 1, 2, 3 and 4. See paragraph 'Hardware Installation' in this manual. Maximum 4 per unit. RS422 & RS485 wires via push wire or so-called push in connector (contra header supplied) RS232 via 9 pole D-connector (female), USB...

Digital User I/O Typical Applications • Hardware triggering of sequences • Interaction with other equipment • Stand-alone automation • Safety or Alarm indications Logic inputs 1... 8 Input range Input impedance Load current +5V Logic outputs 1 ... 8 Output type Output impedance Open Drain (True = 0V, False = open) 7 Ohm (max 30V/200mA) Insulation prog. connectors - internal circuits prog. connectors - earth Safety Operating Temperature Humidity Storage temperature Mounting Programming connector Pluggable, SM3300 interface slots 1, 2, 3 and 4. See paragraph 'Hardware Installation' in this manual....

Isolated Contacts Typical Applications • Trigger an external safety alarm • Interact in automated processes • Switch the output On/Off with a remote 24Vdc signal • Using a floating signal for triggering the Interlock function Relay contacts 1... 4 Contact voltage Contact current Maximum switching capacity Floating Interlock Open circuit voltage Floating Enable Nominal input voltage Input voltage range Input impedance Insulation prog. connectors - internal circuits prog. connectors - earth Safety Operating Temperature Humidity Storage temperature Mounting Programming connector Pluggable, SM3300...