31
7 - Technical specification
Total configurability
IN1 Input
(see pages 11,12 and 16)
Features
(at 25°C environmental temp.)
Description
From keypad or serial communication the user selects: input type, type/functionality and display mode of the alarms
Common
characteristics
A/D converter with resolution of 50000 points
Update measurement time: 0.2 seconds
Sampling time: 0.5 seconds
Input bias: -60…+ 60 digit
Input filter: 1…30 seconds (0 = disabled)
Accuracy
0.25% ±1 digits for temperature sensors
0.1% ±1 digits (for mV and mA)
Between 100…240Vac the error is minimal
Resistance thermometer
(for
∆
T: R1+R2
must be <320
Ω
)
Pt100
Ω
at 0°C
(IEC 751)
°C/°F selectable
2 or 3 wire connection
Burnout (with any combination)
Max. wire resistance: 20
Ω
max. (3 wires)
Input drift:
0.35°C/10° Env. Temp.
<0.35°C/10
Ω
Wire Res.
DC input current
(with 2.5
Ω
external shunt)
0… 20mA, 4... 20mA
Rj >10M
Ω
Burnout. Engineering units
Conf. decimal point position
Low range -9999… 32000
High range -9999… 32000
(min. range of 100 digits)
Input drift: <0.1%/20°C Env. Temp.
DC input voltage
0…50mV, 10...50mV
Rj >10M
Ω
7
TECHNICAL SPECIFICATIONS
OP1 output
SPDT relay, 2A/250Vac (4A/120Vac) for resistive load
OP2 output
SPST Relay N.O., 2A/250Vac (4A/120Vac) for resistive load
Thermocouple
L, J, T, K, S, R, B, N, E,
W3, W5 (IEC 584)
Rj >10M
Ω
,
°C/°F selectable
Internal cold junction
compensation with NTC
Error 1°C/20°C ±0.5°C
Burnout
Line:
150
Ω
max.
Input drift:
<2µV/°C Env. Temp.
<5µV/10
Ω
Wire resistance
J1 EN-ed3 17-02-2009 15:05 Pagina 31
