Loop-Powered LCD Indicator - PR Electronics 5531B

The 5531 indicator is powered by the 4 to 20 mA current loop and is easily scaled to display the correct process value.
Because it does not require separate power wiring, the 5531 is perfect for remote display of process loops.
The 5531B can be mounted in Ex Zone 1.
The 5531B1 Ex display includes the 8501 enclosure and can be mounted in Ex Zone 2 or 22 (gas or dust).
The 5531B2 includes the 8501 enclosure and can be mounted in Ex Zone 1, 2, 21 or 22 (gas or dust).

With a full measurement range of 3.6 to 23 mA, the 5531 is NAMUR NE43 compliant.
The display can be push-button scaled to any range between -9999 to 9999, and reverse display action is possible.
The LCD backlight can be set to half or full intensity for easy viewing in low light conditions.
The display only requires 1.5 VDC, (75 Ω loop load), with the backlight turned off.
The input is HART transparent.
The front push-buttons can be disabled to prevent unauthorized adjustment.

Once panel mounted with the included gasket, the 5531 provides IP65 ingress protection.

Specification

ENVIRONMENTAL CONDITIONS
Operating temperature	-20°C to +60°C
Storage temperature	-20°C to +60°C
Calibration temperature	20…28°C
Relative humidity	< 95% RH (non-cond.)
Protection degree	IP65, from front
MECHANICAL SPECIFICATIONS
Dimensions (HxWxD)	48 x 96 x 120 mm
Cut out dimensions	44.5 x 91.5 mm
Weight approx.	200 g
Cable glands and cable diameter	M16 x 1.5 / Ø 5…8 mm
Wire size, connector terminal 1 – 4	0.13…2.08 mm2 / AWG 26…14 stranded wire
COMMON SPECIFICATIONS
Supply
Supply voltage	Input loop-powered
Response time
Response time (0…90%, 100…10%)	< 1 s
EMC immunity influence	< ±0.5% of span
Signal / noise ratio	> 60 dB
Updating time	500 ms
INPUT SPECIFICATIONS
Current input
Measurement range	3.6…23 mA
Loop error detection, 4…20 mA: Low	~ < 3 mA
Loop error detection, 4…20 mA: High	~ > 24 mA
Input voltage drop, without backlight	< 1.5 V @ 20 mA
Input voltage drop, with full backlight	< 10.5 V @ 20 mA
OUTPUT SPECIFICATIONS
Display
Display readout	± 9999 (4 digits)
Digit height	16 mm
OBSERVED AUTHORITY REQUIREMENTS
EMC	2014/30/EU
EAC	TR-CU 020/2011
APPROVALS
ATEX	KEMA 05ATEX1044 X (5531A/B1) KEMA 05ATEX1105 X (5531B/B2)
EAC Ex	RU C-DK.HA65.B.00355/19

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