ELPRO 905U-L, Руководство по установке

Страница: 22 / 40

905U-L Wireless I/O Installation Manual
905U-L Wireless I/O Page 22 of 40
Version 1.9
Inputs and outputs
The units have the following inputs and outputs:
Input/output 905U-L-T 905U-L-R Description For more
information, see
…
Digital inputs
2
Suitable for Voltage free contact,
NPN transistor, 0-5V signal. Digital inputs on
page 23.
Relay outputs
3 250VAC 1A / 30VDC 1A. Relay outputs
Important Information
on page 24.
Status outputs
2 2 Max 30VDC, 500 mA. Indicate
module status, communication
failure and local setpoint status. Status outputs on
page 25.
Analog inputs
1 4-20 mA with over-range and
under-range.
0-10 mA with over-range.
Analog input on page
26.
+24V Loop supply
1
Provides power for 1 external
current loop (up to 35 mA). Installing the power
supply on page 21.
Analogue setpoint
1
Allows discrete setpoint to be
controlled from analog input.
Threshold adjustable via rotary
switch. Refer to the User
Manual .
Thermocouple /
millivolt input
1
Provides measurement of E, J, K,
T type Thermocouple, millivolt
signals and user-defined
thermocouple types. Thermocouple input
on page 29
Thermocouple
setpoint
1
Lets you control discrete setpoint
from thermocouple with threshold
adjustable via rotary switch. Refer to the User
Manual .
Pulse inputs
2 Up to 10Hz. Pulse input on page
30.
Analog output
1
0-22 mA, suitable for loop
powered, floating input or single-
ended input device. Analog output on
page 31.
For more information, see the next sections.