ModBus: Parameter overview

Holding register
(protocol)

Name

Data type

Scaling and unit

Elements

Access*

40001
(0)

Communication profile version

UINT16

0.001

 

R

40002
(1)

Wink service

BOOL

 

 

RW

40003
(2)

Type of switchgear

ENUM

 

8. EC

R

40014
(13)

BusCommandTimer

ENUM

 

0. -
1. Off
2. Set
3. Active
4. Reset
5. Manual

RW

40015
(14)

Drives on/off

BOOL

 

 

RW

40025
(24)

Control mode

ENUM

 

0. p-c
10. Filling
11. Draining

R

40026
(25)

Actual value

INT16

0.1 bar

 

R

40027
(26)

Current setpoint

INT16

0.1 bar

 

R

40041
(40)

Pump mode 1

ENUM

 

0. Off
1. Manual
2. Auto

RW

40042
(41)

Pump mode 2

ENUM

 

0. Off
1. Manual
2. Auto

RW

40062
(61)

General status

BITMAP

 

0: SBM
1: SSM
8: EBM pump 1
9: EBM pump 2

R

40068
(67)

Setpoint 1

UINT16

0.1 bar

 

RW

40074
(73)

Application

ENUM

 

2nd WP

R

40139 - 40140
(138 - 139)

Fault status

BITMAP32

 

0: Sensor fault
4: Dry running
5: Pump 1 error
6: Pump 2 error
15: High water
16: Overriding Off
18: Plausibility
20: Supply

R

40141
(140)

Acknowledge

BOOL

 

 

R

40142
(141)

Alarm history index

UINT16

1

 

RW

40143
(142)

Fault number alarm history

UINT16

0.1

 

R

40198
(197)

Status of float switch

BITMAP

 

0: Dry running
1: Pumps off
2: Pump 1 on
3: Pump 2 on
4: High water
5: Dry run 2
6: Pump 1 off
7: Pump 2 off

R

Key
* R = read-only, RW = read- and write-accessible