3 tem pe ra ture moni to ring 65, 4 error sta tus regis ter 65, Er ror sta tus re gis ter 65 – Samson 5476 User Manual

Page 65: Ex cess tem pe ra tu re alarm 65, Tem pe ra tu re mo ni to ring 65, Temperature monitoring, Error status register, 3 temperature monitoring, 4 error status register

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8.3

Temperature monitoring

Should a deviation arise in a control circuit that is greater than 10 °C for longer than 30 min-
utes, the bit D12 is automatically set in the error status register.

If this function is not required, configure FB36 = ON, select “steig“ and leave the input BE8
unswitched.

8.4

Error status register

The error status register is used to indicate controller or system errors. In modem operation with
Dial-up also upon corrected fault function, any change in state of the error status register causes
the building control station to be dialed.

BITMAP error status register (FSr)

Number = Bit no. in HR

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

A set bit is indicated by

on the

right of number

2

0

2

1

2

2

2

3

2

4

2

5

2

6

2

7

2

8

2

9

2

10

2

11

2

12

2

13

2

14

2

15

Sensor breakage

D_0

Default values read

D_1

DHW set point not reached

D_2

Mode switch HK faulty

D_3

Mode switch DHW faulty

D_4

1)

BE1 = active + (FB43 = ON)

D_5

1)

BE2 = active + (FB42 = ON)

D_6

1)

BE3 = active + (FB41 = ON)

D_7

1)

BE4 = active + (FB40 = ON)

D_8

1)

BE5 = active + (FB39 = ON)

D_9

1)

BE6 = active + (FB38 = ON)

D_10

1)

BE7 = active + (FB37 = ON)

D_11

1)

BE8 = active + (FB36 = ON)

D_12

Data error alarm from WMZ

D_13

Meter bus communication error D_14

Unauthorized access

D_15

1)

The binary inputs BE1 to BE8 appear in the error status register whenever the associated function
block FB_ = ON

EB 5476 EN

65

Operational faults

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