
8 • TECHNICAL SPECIFICATIONS
Inputs
Accuracy main input
Thermal drift
Main input
(configurable digital filter)
Type TC (Thermocouples) (ITS90)
Cold junction error
RTD type (scale settable in indicated range,
with/without decimal point) (ITS90)
Max. line resistance for RTD
Accuracy auxiliary input
Auxiliary input
Logic input
Functionality
Safety
°C / °F selection
Linear scale ranges
Controls
pb - dt - it
Action - Control outputs
Max. power limit heat / cool
Cycle time - Softstart
Fault power setting
Automatic blanking
Configurable alarms
Alarm masking
Outputs
Relay (OUT 2, 3, 4)
Logic (OUT 2)
Continuous (OUT 2)
Functional modules
“RR” double relays
Power supply
Power supply
Power supply for amplified probe
Serial
Serial interface
Baude rate
Protocol for Geflex master
Optional field bus protocols
General characteristics
Indications
Protection
Working / storage temperature range
Relative humidity
Installation
Weight max
0,2% f.s. ±1 scale points at 25°C ambient temperature
0,005% f.s. / °C
TC, RTD 60mV,1V Ri
≥
1M
Ω
; 20mA Ri=50
Ω
Sampling time 120 msec.
J, K, R, S, T, (IEC 584-1, CEI EN 60584-1, 60584-2)
a custom linearization can be inserted
0,1° / °C
DIN 43760 (Pt100), JPT100
20
Ω
0,2% f.s. ±1 scale points at 25°C ambient temperature
- Potentiometer
≥
1K
Ω
- 0/2...10V (Ri >100K)
- 0/4...20mA (Ri >50
Ω
)
Sampling time 240msec
24V, 8mA
Detection of short circuit or opening of probes, LBA alarm, HB alarm
Configurable
-1999...9999
Pid, Autotune, on-off
0,0...999,9 % - 0,00...99,99 min - 0,00...99,99 min
heat / cool - on / off, PWM, GTT
0,0...100,0 %
0...200 sec - 0,0...500,0 min
-100,0...100,0 %
Maintains sampling of process variable PV; when active, disables the control
Up to 4 alarm functions assignable to an output and configurable of type: maximum, minimum,
symmetrical, absolute/relative, LBA, HB
Exclusion during warm up memory, reset from digital input
NO, 3A, 250V cos
ϕ
=1
24Vdc, 35mA
0/2...10V, 0/4...20mA at 500
Ω
max.
NO, 3A 250V cos
ϕ
=1 unico comune
24Vdc ±25%, 5W max.
+24Vac ± 25% 40mA max.
RS485, optoisolated
1200, 2400, 4800, 9600, 19200
MODBUS RTU
CANopen 10K...1Mbit/sec PROFIBUS DP 9,6...12Mbit/sec
3 LEDs (diagnostics)
IP20
0...40°C / -20...70°C
20...85% Ur non condensing
Barra DIN EN50022 or panel from 5MA screws
600gr
15
80346B_MHW_GFX-VALVOLE_0709_ENG