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5 control inputs c1 and c2 – KROHNE IFC 110 Converter EN User Manual

Page 18

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18

IFC 110 F

05/2003

2.4

Status outputs A1 / A2 / D1 / D2

PLEASE NOTE:
The output terminal A1 can be used as status output A1 or as a 2nd pulse output A1 for
electromechanical totalizers.
Setting is as described in Fct. 3.07 HARDWARE, see Sections 4.4 and 5.18.

Status outputs A1/A2 and D1/D2 with the common centre grounding contacts A⊥ and B⊥ are

electrically isolated from each other and from all other circuits.

Setting data and functions can note down in the Table in Sect. 3.

Please also refer to Section 2.7 ”Standard factory settings”.

All operating data and functions are adjustable, see Sections 4.4 and 5.8, Fct. 1.07-1.10.

Active mode:

uses the internal power supply, terminals E+/E-

Passive mode:

requires external power supply, U

ext

≤ 32V DC/24V AC, I ≤ 100mA

(I

≤ 200mA for A1 in case of polarized DC operation, see Section 6.3)

• The following operating conditions can be signalled using the status outputs:

- flow direction (F/R mode)

- limits

- error messages

- active range in case of range change-over

- inverse operation of A1 and A2 or D1 and D2,

i.e. used as change-over switch with common centre grounding contact A

⊥ or D⊥.

Connection diagrams see Section 2.6

Schematic wiring diagram for status outputs A1/A2 and D1/D2.

This status outputs have MOSFET switches as outputs which switch direct and alternating
voltages similar to relay contacts.

2.5

Control inputs C1 and C2

Control inputs C1 and C2 are electrically connected (common centre grounding

contact C

⊥) but electrically isolated from all other circuits.

Setting data and functions can note down in the Table in Sect. 3.

Please also refer to Section 2.7 ”Standard factory settings”.

All operating data and functions are adjustable, see Sections 4.4 and 5.9, Fct. 1.11-1.12.

Active mode:

uses the internal power supply, terminals E+/E-

Passive

mode: requires external power supply, U

ext

≤ 32V DC/24V AC, I ≤ 10mA

• The following operating conditions can be initiated using the control inputs:

- external range change

- holding of output values

- zeroing the outputs

- resetting the internal totalizer

- resetting (deleting) the error messages

Connection diagrams see Section 2.6