LC 300

Accessories Electronic Overload Guard

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Datasheet

Redundant system with two independent inputs for load cells, according to category 3 standard EN 13849-1:2008, PL d (corresponding to SIL 2 IEC 62061).
Load limiter with double security
Alarm for loadcell malfunctioning or power failure
Supply from 10 to 30 Vdc
4-digit red led service display
Mounting on DIN rail
Operating temperature from -10° to +50°C
Removable screw terminal blocks 5.08

Power supply:	10÷30 Vdc
Max consumption:	6 W
Insulation:	class III
Display:	numeric; 4-digit, 7-segment red led (h 7 mm)
Filter:	Selectable 0.25 Hz - 3 Hz
Measuring range:	from -3.9 to +3.9 mV/V
Input sensitivity:	0,2 microV
Linearity:	<0.01% of full scale
Thermal drift:	<0.002% of full scale/°C
Internal resolution:	24 bits
Operating temperature:	-10 / +50°C (humidity max 85% non-condensing)
Storage temperature:	-20/+60 °C
Keyboard:	4 mechanical keys
Calibration of zero and full scale:	executable from keyboard
Material:	Polyamide 6.6 UL 94V-0 self extinguishing
Connections:	removable screw terminal blocks 5.08
Load cells Input:	max 4 350 Ohm for both measuring channels
Interruption control load cell cable:	indication on the display and via relay
Logic outputs alarm:	4 relay outputs
2 ANALOGUE OUTPUTS:	4÷20 mA (1 per channel)
Resolution:	16 bit
Calibration:	digital from the keyboard
Impedance:	max 300 Ohms
Linearity:	0.03% of full scale
Thermal drift:	0.002% of full scale/°C
Dim:	136 x 125 x 65 mm (L x H x P); 171 x 125 x 65 mm (L x H x P) Analog
CE Conformity:	EN 61000-6-2, EN 61000-6-3 EMC to EN 61010-1 for electrical safety, EN 13849-1 parts of control systems related to safety

PIN	TERMINAL BOARD 14P
1	RP2 Channel 2 Prealarm Relay. COM
2	RP2 Channel 2 Prealarm Relay. NC
3	RP2 Channel 2 Prealarm Relay. NO
4	RP2 Channel 2 Lookout Relay. COM
5	RP2 Channel 2 Lookout Relay. NC
6	RP2 Channel 2 Lookout Relay. NO
7	RP1 Channel 2 Prealarm Relay. COM
8	RP1 Channel 2 Prealarm Relay. NC
9	RP1 Channel 2 Prealarm Relay. NO
10	RP1 Channel 2 Lookout Relay. COM
11	RP1 Channel 2 Lookout Relay. NC
12	RP1 Channel 2 Lookout Relay. NO
13	Power supply -
14	Power supply + (10-30 Vdc)