16
81503D_MHW_400-401_12-2010_ENG
13 • TECHNICAL SPECIFICATIONS
Display 4 digit green LED’s, digit height 10mm
Keys 4 mechanical keys (Man/Aut, Raise, Lower, F)
Accuracy 0.25% f.s. at 25°C ambient temperature
Main input TC, RTD (Pt100), PTC
60mV Ri ≥ 1MΩ, 10V Ri ≥ 10KΩ, 20mA Ri = 50Ω
Thermocouples IEC 584-1 (J, K, R, S, T, B, E, N)
Cold junction error 0,1° / °C
RTD type (scale configurable within indicated DIN 43760 (Pt100)
range, with or without decimal point)
Max. RTD line resistance 20Ω
PTC type 990Ω, 25°C
Safety Detection of short circuit or opening of sensors,
LBA alarm, HB alarm (401)
°C / °F selection Faceplate configurable
Linear scale ranges -1999...9999, configurable decimal point position
Control actions Pid, Autotune, on-off
pb 0,0...999,9 %
dt 0,00...99,99 min
di 0,00...99,99 min
Action Heat or cool
Control outputs on/off, pwm
Limitation Max power heat / cool 0,0...100,0 %
Cycle time 0...200 sec
Type of main output Relay, logic
Softstart 0,0...500,0 min
Fault power setting -100,0...100,0 %
Power off function Maintains PV display; can be excluded
Configurable alarms Up to 3 alarm functions assignable to an output and configurable as:
maximum, minimum, symmetrical, absolute/relative, LBA, HB (401)
Alarm masking Exclude on power-up
Relay contact NO (NC), 5A, 250V cosϕ = 1
Logic output for static relays 10Vdc (6V/20mA) for OUT1, 24Vdc (10V/20mA) for OUT2/OUT3
Optional current transformer input (mod. 401) C.T. 50mAac, 50/60Hz, Ri = 10Ω
Power supply (standard) 100...240Vac ±10%
(optional) 11...27Vac/dc ±10%
50/60Hz, max 10VA
Faceplate protection IP65
Working / Storage temperatures 0...50°C/-20...70°C
Relative humidity 20...85% non condensing
Environmental conditions of use For internal use only, altitude up to 2000m
Installation Panel mounting, extractable from front
Weight 160g for the complete version
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