Analog I/O Module
The main functions of the analog I/O module are as follows:
-
Monitor voltage or current from analog sensors (such as thermocouple, PT100, PT1000, NI100, NI1000, PTC Binary) via two −10 to +10 V /
0 to 20 mAcapable inputs -
Control voltage-driven actuators (such as variable speed drives or a current loop to the controller’s analog input) via one −10 to +10 V / 0 to 20 mA capable output
-
Capture statistical operational data:
-
Number of power cycles
-
Number of device events
-
Time the module is on
-
The reference number is TPRAN2X1.
The analog I/O module is connected:
-
Upstream to the 24 Vdc source needed to power the downstream actuators
-
Input channel: downstream to an analog sensor or sensor transmitter
-
Output channel: downstream to the control input of a voltage-driven actuator, such as a variable speed drive
Refer to Avatar Wiring Schematics for module wiring.
Devices connected to the analog I/O module must be protected against short circuits by external means like fuses.
The analog I/O module communicates with the bus coupler, sending operational data and receiving commands.
Input/Output Specifications
Channel |
Inputs |
Output |
---|---|---|
Number of analog inputs and outputs |
2 isolated with common point |
1 isolated |
Rated power supply |
24 Vdc |
|
Resolution, maximum |
16 bits, or 15 bits + sign |
12 bits (4096 points) |
Cable type |
Twisted pair shielded |
|
Cable length, maximum |
30 m (98 ft) |
Signal Type: Inputs
Channel |
Inputs |
|||
---|---|---|---|---|
Signal type |
Voltage (Vdc) |
Current (mA) |
Thermocouple |
3–wire RTD (Resistance Temperature Detector) |
Range |
|
|
|
PT100, PT1000, NI100, NI1000 |
Signal Type: Outputs
Channel |
Output |
|
---|---|---|
Signal type |
Voltage |
Current |
Range |
|
|