Spirax Sarco SP7-20 - Electrical Data for Inputs and Outputs; Analog and Fieldbus Input Data; Digital Input Functions

IM-P706-03 CTLS Issue 1
24
SP7-20 Smart Positioner
3.2.3 Electrical data for inputs and outputs
Note : When using the device in potentially explosive atmospheres, note the additional connection data in
Use in potentially explosive atmospheres on page 4
3.2.4 Analog input
Only for devices with HART Communication.
Set point signal analog (two-wire technology)
Terminals +11/−12
Nominal operating range 4 to 20 mA
Split range configuration between 20 to 100 % of the nominal operating range can be parameterized
Maximum 50 mA
Minimum 3.6 mA
Starting at 3.8 mA
Load voltage 9.7 V at 20 mA
Impedance at 20 mA 485 Ω
3.2.5 Fieldbus input
Only for devices with PROFIBUS PA or FOUNDATION Fieldbus Communication.
Bus Connection PROFIBUS PA FOUNDATION fieldbus
Terminals +11/−12 +11/−12
Supply voltage (Power feed from the Fieldbus) 9 to 32 Vdc 9 to 32 Vdc
Max. permissible voltage 35 Vdc 35 Vdc
Input Current 10.5 mA 11.5 m A
Current in the event of an error 15 mA (10.5 mA + 4.5 mA) 15 mA (11.5 mA + 3.5 mA)
3.2.6 Digital input
Only for devices with HART Communication.
Input for the following functions:
-
no function
-
move to 0 %
-
move to 100 %
-
Hold previous position
-
block local configuration
-
block local configuration and operation
-
block any access (local or via PC)
Binary input DI
Terminals +81/−82
Supply voltage 24 Vdc (12 to 30 Vdc)
Input ‘logical 0’ 0 to 5 Vdc
Input ‘logical 1’ 11 to 30 Vdc
Input Current Maximum 4 mA