beautypg.com

Blocks required, Standard function blocks, Sb154 – Pilz PSS SB FT, Basic license User Manual

Page 94

background image

6-50

Modular Block System: Burner Management

Standard Function Blocks

- Bit 03:

Dir1 and Dir2 driven simultaneously
Remedy: Only drive in one direction and reset the error in the
start position (

Pos1 operated, Pos2 not operated, Dir2 = 0).

- Bit 04: Feasibility check: neither limit switch operated

Remedy: Check contacts and reset the error in the start position
(

Pos1 operated, Pos2 not operated, Dir2 = 0).

- Bit 05: Feasibility check: both limit switches operated

Remedy: Check contacts and reset the error in the start position
(

Pos1 operated, Pos2 not operated, Dir2 = 0).

- Bit 06: Reset button not operated

Remedy: Press reset button

- Bit 07: Valve start position is missing

Remedy: Check contacts and reset the error in the start position
(

Pos1 operated, Pos2 not operated, Dir2 = 0).

• Error messages on the CPU-display

- E 001: Parameter errors

The

SSNR does not lie within the limits 1 ... 200. The incorrect

SSNR is stated in DB015/DW0000 (refer also to the section
“Administration data blocks DB015, DB016 and DB017” in
chapter 5).

- E007: Invalid time value for

T_V

Blocks required

• DB002:

Will be made available when the configurator is called up

• DB015:

Administration data block
DB015 must consist of its total length of 1024 data words and
have Read/Write status (refer also to the section “Administrati-
on data blocks DB015, DB016 and DB017” in chapter 5).

• OB101:

To call up SB154

• SB152:

BR_START for the error reaction

• SB154:

VALVE

• SB255:

To call up the operating system

SB154

This manual is related to the following products: