Hach sc1000 Specifications, Plug-in Expansion Cards, DIN Rail Switch Cabinet Expansion Modules

Specifications

Plug-in Expansion Cards

Component description	Plug-in expansion cards for installation in the probe module
Operating temperature	–20 to 55 °C (–4 to 131 °F); 95% relative humidity, non-condensing
Storage temperature	–20 to 70 °C (–4 to 158 °F); 95% relative humidity, non-condensing
Analog 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 mm2
	4 x change over contacts (SPDT)
Internal relay card	Maximum switching voltage: 250 VAC, 125 VDC
	Nominal Switching Current: 250 VAC, 5 A; 125 VAC, 5 A; 30 VDC, 5 A
	Terminals max. 1.5 mm2 (AWG15)
Fieldbus interface card	Modbus RS485 (YAB021), Modbus RS232 (YAB047) or Profibus DP (YAB020)
DIN Rail Switch Cabinet Expansion Modules
Function	For installation in the switch cabinet. Any expansions required can be combined
	when a base module is available.
Enclosure rating	IP20
Power supply	24 VDC (max. 30 V) from base module
Operating temperature	4 to 40 °C (39 to 104 °F); 95% relative humidity, non-condensing
Storage temperature	–20 to 70 °C (–4 to 158 °F); 95% relative humidity, non-condensing
	Supply of expansion modules with 24 VDC and connection to the sc1000
	network
	Setting terminating resistor (with DIP switch) for the sc1000 network
Base module (LZX915)	Provision of connection for a display module (LXV402) for the configuration of
	the system
	Base 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.)
	4 x normally closed into change over contacts (SPDT)
	Maximum switching voltage: 250 VAC, 125 VDC
	Maximum switching current: 250 VAC, 5 A; 125 VAC, 5 A; 30 VDC, 5 A
	Maximum switching power: 150 W
Relay module (LZX920)	Can 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 mA
	Dimensions: 45 x 100 x 115 mm (2 x 4 x 4.5 in.)
	2 analog current outputs (0–20 mA or 4–20 mA, max. 500 Ohm)
Output module (LZX919)	Terminals max. 2.5 mm2 (AWG 11)
	Current consumption: <150 mA
	Dimensions: 23 x 100 x 115 mm (1 x 4 x 4.5 in.)
	Analog/Digital inputs (can be programmed as 0–20 mA or 4–20 mA), INPUT or
	digital INPUT
Input module (LZX921)	Internal resistance: 180 Ohm
	Terminals max. 2.5 mm2 (AWG 11)
	Current consumption: <100 mA
	Dimensions: 23 x 100 x 115 mm (1 x 4 x 4.5 in.)

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