Blocks required, Standard function blocks, Sb159 – Pilz PSS SB FT, Basic license User Manual

Page 144

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Modular Block System: Burner Management

Standard Function Blocks

- Bit 01: Order not maintained when calling up the steps via

NEXT:

Safety shutdown occurs.
Remedy: calling up steps via the parameter

NEXT must be in

ascending order and no steps should be missed out.

Triggering the enable

ENBL from SB152 automatically resets

the sequence (SB149)

• Error messages in the CPU-display

E001:

Parameter errors
The

SSNR does not lie in the limits of 1 ... 200. The incorrect

SSNR is stated in DB015/DW 0000 (refer also to the section
“Administration data blocks DB015, DB016 and DB017” in
chapter 5).

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 access (refer also to the section “Administra-
tion data blocks DB015, DB016 and DB017" in chapter 5).

• OB101:

To call up SB159.

• SB150:

The output parameter

FLAM from SB159 must be supplied to

the input parameter

MONI of the main flame monitoring

SB150. In addition the output parameter

RUN from SB159

must be supplied to the input parameter

RUN of SB150.

• SB152:

The output parameter

ENBL from SB152 must be supplied to

the input parameter

SyOK of SB159, and the output parameter

RUN from SB159 to the input parameter RUN of SB152.
In addition SB152 is responsible for the error reaction.

• SB159:

RUN

• SB255:

To call up the operating system

SB159

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