6SpecificationsPlug-in Expansion CardsComponent description Plug-in expansion cards for installation in the probe moduleOperating temperature –20 to 55 °C (–4 to 131 °F); 95% relative humidity, non-condensingStorage temperature –20 to 70 °C (–4 to 158 °F); 95% relative humidity, non-condensingAnalog output card 4 x analog current outputs (0–20 mA or 4–20 mA, max. 500 Ohm)Terminals max. 1.5 mm2 (AWG15)Analog/digital input card 4 x analog/digital inputs (0–20 mA or 4–20 mA) Terminals max. 1.5 mm 2Internal relay card4 x change over contacts (SPDT)Maximum switching voltage: 250 VAC, 125 VDCNominal Switching Current: 250 VAC, 5 A; 125 VAC, 5 A; 30 VDC, 5 ATerminals max. 1.5 mm2 (AWG15)Fieldbus interface card Modbus RS485 (YAB021), Modbus RS232 (YAB047) or Profibus DP (YAB020)DIN Rail Switch Cabinet Expansion ModulesFunction For installation in the switch cabinet. Any expansions required can be combinedwhen a base module is available.Enclosure rating IP20Power supply 24 VDC (max. 30 V) from base moduleOperating temperature 4 to 40 °C (39 to 104 °F); 95% relative humidity, non-condensingStorage temperature –20 to 70 °C (–4 to 158 °F); 95% relative humidity, non-condensingBase module (LZX915)Supply of expansion modules with 24 VDC and connection to the sc1000networkSetting terminating resistor (with DIP switch) for the sc1000 networkProvision of connection for a display module (LXV402) for the configuration ofthe systemBase module can supply a maximum of 2000 mA to the extension modules.Dimensions: 23 x 100 x 115 mm (1 x 4 x 4.5 in.)Relay module (LZX920)4 x normally closed into change over contacts (SPDT)Maximum switching voltage: 250 VAC, 125 VDCMaximum switching current: 250 VAC, 5 A; 125 VAC, 5 A; 30 VDC, 5 AMaximum switching power: 150 WCan be programmed for limit, status-monitoring or for various control functions,communication status indication by LED.Terminals max. 2.5 mm2 (AWG 11)Current consumption: <100 mADimensions: 45 x 100 x 115 mm (2 x 4 x 4.5 in.)Output module (LZX919)2 analog current outputs (0–20 mA or 4–20 mA, max. 500 Ohm)Terminals max. 2.5 mm2 (AWG 11)Current consumption: <150 mADimensions: 23 x 100 x 115 mm (1 x 4 x 4.5 in.)Input module (LZX921)Analog/Digital inputs (can be programmed as 0–20 mA or 4–20 mA), INPUT ordigital INPUTInternal resistance: 180 OhmTerminals max. 2.5 mm2 (AWG 11)Current consumption: <100 mADimensions: 23 x 100 x 115 mm (1 x 4 x 4.5 in.)