EasyManua.ls Logo

Barber-Colman 7EM - Specifications; General Specifications; Inputs and Control Actions

Barber-Colman 7EM
32 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
24
SPECIFICATIONS
General
Case: Dark grey polycarbonate. Self-extinguishing
degree V-0 according to UL94.
Front Protection: Designed and tested for IP65 and
NEMA 4X.
Installation: Panel mounting by means of brackets.
Rear Terminal Block: 21 screw terminals with safety rear
cover.
Dimensions: 48 x 96mm (1.890 x 3.870 in.) according to
DIN 43700; 89mm (3.504 in.) depth.
Cutout: 45 mm -0 mm, +0.6 mm x 92 mm, -0, +0.8 mm
(1.772 in -0 in, +0.024 x 3.662 in, -0 +0.031 in)
Weight: 600 grams max. (1.6 lbs.).
Power Supply (Switching Mode):
100 to 240 Vac. 50/60 Hz (+10 to -15% of the
nominal value) or 24 Vac/Vdc (±10% of the
nominal value).
Power Consumption: 6 VA.
Insulation Resistance: Greater than 100 M according
to IEC 1010-1.
Isolation Voltage: 1500 Vrms according to IEC 1010-1.
D/A Conversion: Dual slope integration.
Electromagnetic Compatibility and Safety Requirements:
This instrument is marked CE. Therefore, it is
conforming to council directives 89/336/EEC
(reference harmonized standard EN50081-2
and EN50082-2) and to council directivew 73/
23/EEC and 93/68/EEC (reference harmonized
standard EN61010-1).
Installation Category: II
Temperature Drift: <200 ppm/°C (RJ excluded) <400
ppm/°C for RTD input with -19.9/99.9°C range.
Sampling Time: 500 ms.
Resolution:30000 counts.
Accuracy: ±0.2% full scale span or ±1 °C, @ 25 °C and
nominal power supply voltage.
Common Mode Rejection Ratio: 120 dB @ 50/60 Hz.
Inputs
Thermocouples Type: J, K, L, N and T or RTD Pt 100,
keyboard configurable.
Engineering Units: °C and °F keyboard configurable.
Reference Junction: Automatic compensation for
ambient temperature between 0 and 50°C.
Sensor Lead Impedance: 100 maximum for TC input.
RTD Line Resistance: Automatic compensation up to 20
/wire.
Reference Junction Drift: 0.1 °C/°C.
Input Impedance: Greater than 1 M.
Sensor Break: Downscale or upscale programmable.
On RTD inputs, an OVERRANGE is indicated
when input resistance is less than 15 (short
circuit sensor detection.)
Calibration: According to IEC 584-1 and DIN 43710-1977.
Standard Ranges
Input °C °F
L 0 to 800 0 to 999 DIN 43710-1977
J 0 to 800 0 to 999 IEC 584-1
K 0 to 999 0 to 999 IEC 584-1
N 0 to 999 0 to 999 IEC 584-1
Pt100 -19.9 to 99.9 DIN 43760
Pt100 -199 to 500 -199 to 999 DIN 43760
T 0 to 400 0 to 750
Normal Mode Rejection Ratio: 60 dB @ 50/60 Hz.
Operating Temperature: 0 to 50 °C.
Storage Temperature: -20 to 70 °C.
Humidity: From 20 to 85% RH non-condensing.
Protection: 1) Watch dog for automatic reset; 2) DIP
switches for configuration and calibration
parameter protection.
Control Actions
On/off, PID or autotuning (Smart AT)
Special Function: Standby alarm sequence.