Phoenix Contact IB IL AO 4/U/0-10-ECO Handleiding (190 Pagina's)

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11.5.3 Order of the Inline terminals

11.5.3.1 General order

The order of the terminals within an Inline station should depend on the current con-

sumption of the I/O from the potential jumpers U

M

and U

S

.

As the voltage at every power terminal is reinjected into the potential jumpers U

M

and U

S

,

the section (main circuit) between a bus coupler and a power terminal or between a

power terminal and another power terminal must always be considered when calculating

the current. If power terminals are not used, the entire station is a main circuit.

Within a main circuit, install the terminals according to their current consumption. In-

stall the terminals with the highest current consumption first. This has the advantage that

the high supply current does not flow through the entire main circuit and thus does not

flow through all the terminals.

The following order is recommended.

Please also observe the following notes:

– In the event of any further restrictions regarding the position of a terminal, please re-

fer to the terminal-specific data sheet.

– For the current consumption of the terminals, please refer to the relevant terminal-

specific data sheet.

Table 11-1 Order of the Inline terminals within a main circuit

Function Abbreviation in order

designation

Function identi-

fication

Note

1 Digital output DO, SDO Pink, red,

dark red

In descending order of current consumption

2 Digital input DI, SDI Light blue, blue,

dark blue

In descending order of current consumption

3 Relay DOR, SDOR Dark red

4 Power ELR, MLR,

EC AR, DC AR

Dark red See 11.5.3.4

5 Special functions Orange In descending order of current consumption

– Open and

closed-loop

control

PWM, CNT,

SSI, INC, TEMPCON

– Communication RS, ASI MA, DALI

– Detection INC-IN, SSI-IN,

IMPULSE-IN

– Safety SAFE Please observe any special requirements

(subsequent safety-related segment circuit or

subsequent power-level terminals).

6 Analog output AO Yellow In descending order of current consumption;

see 11.5.3.3

7 Analog input AI, SGI, TEMP Green In descending order of current consumption;

see 11.5.3.3

IB IL TEMP 2 UTH-PAC As the last terminal

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