ABB TZIDC Operating Instructions Manual page 24

24 TZIDC DIGITAL POSITIONER | OI/TZIDC-EN REV. B
... 6 Installation
... Electrical connections
Digital input
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
Supply voltage
Input 'logical 0'
Input 'logical 1'
Input Current
Binary output
Output configurable as alarm output by software.
Binary output DO
Terminals
Supply voltage
Output 'logical 0'
Output 'logical 1'
Direction of action
Option modules
Module for analog feedback AO*
Without any signal from the positioner (e.g. 'no power' or
'initializing') the module sets the output to > 20 mA (alarm level).
Terminals
Signal range
• in the event of an error
Supply voltage, two-wire technology
Characteristic curve
Deviation
Change from two to one column
+81 / 82
24 V DC (12 to 30 V DC)
0 to 5 V DC
11 to 30 V DC
Maximum 4 mA
+83 / 84
5 to 11 V DC
(Control circuit in accordance with DIN
19234/NAMUR)
> 0.35 mA to < 1.2 mA
> 2.1 mA
Configurable
'logical 0' or 'logical 1'
+31 / 32
4 to 20 mA (split ranges can be
parameterized)
> 20 mA (alarm level)
24 V DC (11 to 30 V DC)
rising or falling (configurable)
Module for digital feedback SW1, SW2*
Terminals
Supply voltage
Output 'logical 0'
Output 'logical 1'
Direction of action
Description
* The module for analog feedback and the module for digital feedback have
separate slots and can be used together.
Assembly kits for limit monitor
Two proximity switches or microswitches for independent
signaling of the actuator position, switching points are
adjustable between 0 to 100%
Limit monitor with proximity switches Limit 1, Limit 2
Terminals
Supply voltage
Direction of action
Type SJ2-SN (NC; log 1)
Limit monitor with 24 V microswitches Limit 1, Limit 2
Terminals
Supply voltage
Load rating
Contact surface
Mechanical position indicator
Indicator disk in enclosure cover linked with device feedback
shaft.
< 1 %
These options are also available for retrofitting by Service.
+41 / 42, +51 / 52
5 to 11 V DC
(Control circuit in accordance with
DIN 19234 / NAMUR)
< 1.2 mA
> 2.1 mA
Configurable
'logical 0' or 'logical 1'
2 software switches for binary position
feedback (position adjustable within
the range of 0 to 100 %, ranges cannot
overlap)
+41 / 42, +51 / 52
5 to 11 V DC
(Control circuit in accordance with DIN
19234/NAMUR)
Metal tag in proximity Metal tag outside
switch proximity switch
< 1.2 mA > 2.1 mA
+41 / 42, +51 / 52
maximum 24 V AC/DC
Maximum 2 A
10 μm Gold (AU)