GESTRA LRR 1-52, Руководство по установке

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10
LRR 1-52, LRR 1-53
Supply voltage
24 VDC +/– 20%
Fuse
external 0.5 A (semi-delay)
Power consumption
5 VA
Reset hysteresis
MAX limit: – 3 % of the adjusted MAX limit, fixed setting
Input/output
Interface for data exchange with operating & display unit URB 50
Inputs
1 volt-free input, 24 VDC, for external command "Control OFF", "Valve CLOSED",
"Intermittent blowdown OFF" (stand by).
1 analogue input for potentiometer 0 - 1000 Ω, two-wire connection (indication of valve position)
Outputs
2 volt-free change-over contacts, 8 A 250 V AC / 30 V DC cos
ϕ
= 1 (continuous blowdown valve).
2 volt-free change-over contacts, 8 A 250 V AC / 30 V DC cos
ϕ
= 1,
De-energizing delay: 3 seconds (MIN/MAX alarm)
or
1 volt-free change-over contact, 8 A 250 V AC / 30 V DC cos
ϕ
= 1,
De-energizing delay: 3 seconds (MAX alarm)
1 volt-free change-over contact, 8 A 250 V AC / 30 V DC cos
ϕ
= 1 (intermittent blowdown valve)
Provide inductive loads with RC combinations according to manufacturer's specification to ensure
interference suppression.
1 analog output 4-20 mA, max. load 500 ohm (actual value)
Indicators and adjustors
1 tri-colour LED indicator (start-up = amber, power ON = green, malfunction = red)
1 code switch with four poles for configuration
Housing
Housing material: base: polycarbonate, black; front: polycarbonate, grey
Conductor size: 1 x 4.0 mm 2 solid per wire or
1 x 2.5 mm
2 per stranded wire with sleeve to DIN 46228 or
2 x 1.5 mm
2
per stranded wire with sleeve to DIN 46228 (min.
∅
0.1 mm)
Terminal strips can be detached.
Fixing of housing: Mounting clip on supporting rail TH 35, EN 60715
Electrical safety
Pollution degree 2 for installation in control cabinet with protection IP 54, completely insulated
Protection
Housing: IP 40 to EN 60529
Terminal strip: IP 20 to EN 60529
Weight
approx. 0.5 kg
Technical data