CTI 2550-A 8-Channel Isolated Analog Input Module
2550-A 8-Channel Isolated Analog Input Module
The 2550-A is a high-speed 8-channel isolated analog input module designed to be compatible with the 2500 Series® I/O base. The 2550-A translates analog input signals into an equivalent digital word.
Features
Fast 4 mSec update time for all 8 channels
Isolated 1500V channel-to-PLC-backplane
Isolated 1500V channel-to-channel
No external power supply required for module
No external current resistor required
On-board calculations for 4-20 mA offset inputs
The 2550-A is a high-speed 8-channel isolated
analog input module designed to be compatible with
the CTI 2500 Series and Simatic® 505 base . The
2550-A translates analog input signals into an
equivalent digital word.
Features
• 1500V channel-to-channel isloation
• 1500V channel-PLC backplane isolation
Specifications
Input Channels:
Classic
8 isolated analog input channels
Isolation: 1500VDC Channel-to-channel and
1500 VDC channel-to-PLC
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
8 WX mode: 4mSec all channels
Digital Filtering Time Constant: 0.3Sec
DC Input Resistance:
Voltage mode: 1MW
Current mode: 250W
Repeatability: 0.05%
Accuracy:
Voltage mode: 0.1% of full scale from 0-60oC
Current mode: 0.2% of full scale from 0-60oC
Resolution 8WX Mode:
Unipolar 12 bits pls sign:
0-5VDC range = 1.25 mV/step
0-10VDC range = 2.5 mV/step
0-20mA = 5µA/step
Bipolar 11 bits pls sign: -5 to +5VDC range = 2.5 mV/step -10 to +10VDC range = 5 mV/step -20 to +20mA = 10µA/step
Common Mode Rejection:
>140db @ 60Hz
Normal Mode Rejection:
>40db @ 60Hz
Connector: standard CTI 2500-40F 40-position
removeable connector, 14-22 AWG
Backplane Power: 6 Watts (maximum)
Module Size:: Single-wide
Input ESD Protection: 20.000V
Overrange Protection: 500V
Shipping Weight: 1.5 lb. (0.68 Kg)
• Fast 4ms update time for all channels
• External isolators not required
• No external power supply required for the
module
• On-board calculations for 4-20mA offset inputs
• Single-wide module