CTI 2550-A, Installation And Operation Manual

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C T I 2550-A Installation and O peration G uide 23
SPECIFICATIONS
Input Channels: 8 isolated input channels
Signal Range: Unipolar: 0 to 5VDC, 0 to 10VDC, or 0 to 20mA
Bipolar: -5 to +5VDC, -10 to +10VDC, or -20 to +20mA
Update Time: 8WX mode: 4 mSec all channels
Digital Filtering Time Constant: 0.3 Sec
DC Input Resistance: Voltage Mode: 680k
W
Current Mode: 250
W
DC Accuracy: Voltage Mode: 0.1% of full scale from 0
/
to 60
/
C
Current Mode: 0.2% of full scale from 0
/
to 60
/
C
Resolution (8WX Mode): Unipolar: 12 bit plus sign 0-5VDC range=1.25mV/step
0-10VDC range=2.5mV/step
0-20mA range=10
:
A/step
Bipolar: 11 bit plus sign +5 to -5VDC=2.5 mV/step
+10 to -10VDC range=5mV/step
-20 to +20mA range=10
:
A/step
Common Mode Range:
±
150 VDC, 130 VAC 50/60Hz
Common Mode Rejection: >140db @ 60Hz (digital filtering disabled)
Normal Mode Rejection: >40db @ 500 Hz
Connector: Removable, standard Siemens® front face
connector #2587705-8006
Wire Gauge: 14-22 AWG
Input Protection: Input ESD Protection: 20,000V
Overrange Protection: 100V
Isolation: 1500VDC channel-to-channel
1500VDC channel-to-PLC