Omega Engineering OMB-CHARTSCAN 1400, User Manual

Page: 47 / 273

Hardware 3-15
CSN14/TC/P
Thermocouple and Low Volts Card with Subminiature Plugs
The CSN14/TC/P card contains 16 differential input channels, each of which may be configured as any
thermocouple type or as a milli-volt input. Temperature values may be returned in units of °C, °F, °K, °R, or mV.
This signal conditioning card contains “subminiature plug type” connectors. There are no user configuration switches
or jumpers on the CSN14/TC/P card.
Number of Channels:
• 16 differential; programmable by channel for specific thermocouple type or voltage.
Input Types:
•
J, K, T, E, R, S, B, N; and ±10V, ±5V, ±1V, ±100mV
Input Connector:
•
Subminiature-plug
Temperature Range, Accuracy, and Resolution
1
•
Type J: -100
°
to +760
°
C
-200
°
to -100
°
C
±
0.5
°
C
± 0.8°C
0.10
°
C
0.20°C
• Type K: -100 ° to +1372 ° C
-200°C to -100°C
± 0.6 ° C
± 0.8°C
0.10 ° C
0.20°C
• Type T: -100 ° to +400 ° C
-200
°
to -100
°
C
± 0.5 ° C
± 0.8°C
0.15 ° C
0.25°C
•
Type E: -100
°
to +1000
°
C
-200°C to -100°C
±
0.7
°
C
± 0.9 ° C
0.10
°
C
0.20°C
• Type R: 0.0 ° to +1780 ° C ± 2.0 ° C 0.40 ° C
• Type S: 0.0 ° to +1780 ° C ± 2.0 ° C 0.40 ° C
• Type B: +350 ° to +1820 ° C ± 2.0 ° C 0.50 ° C
•
Type N: -100
°
to +1300
°
C
-200° to -100°C
±
0.6
°
C
± 0.9°C
0.15
°
C
0.20°C
Temperature Units:
• °
C,
°
F,
°
K,
°
R, mV and volts.
Fault Detection:
•
Open T/C may be detected by a software query.
Cold Junction Sensors:
• One for every 4 input channels.
Input Impedance and Input Bias Current:
• 1M Ohm typical; and 20 nA maximum
Maximum Common Mode Voltage
4
:
•
200 VAC, or 200 VDC peak
Maximum Normal Mode Voltage:
•
10 VDC or 10VAC peak
Common Mode Rejection:
•
100 dB typical
Maximum Allowable Input:
• ±
25V rms
Channel-to-Power Ground
Isolation:
•
± 200V peak
Channel-to-Channel Isolation:
• ±
200V peak.
Temperature Coefficient:
•
< (0.1 x rated accuracy)%/°C