Schedule objects, A series – GE Industrial Solutions A Series Lighting Control Panelboards Modbus Register Map User Manual

Page 38

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A Series

®

Lighting Controller Modbus Register Map

Schedule Objects

32

Schedule Objects

Each schedule object has a block of registers that are
used to maintain the schedule.
The first object starts at register address 20001 and the
second object starts at 20291. Table60 indicates the list
of schedule objects and their associated registers.Each
day has eight pairs of ON/OFF times. Day 1 represents

Monday, Day 7 represents Sunday, and Day 8 & 9
represents Calendar day(s). If a day has fewer than
eight pairs, all empty pairs are filled with 0xFFFF on its
ON/OFF time. Schedule properties can be edited with
function code 06 and 16 and read with function code 3.
Due to constraints in the code, you can only remove an
entry by writing 0xFFFF with function code 06.

Register

SCH Object

Type Register

SCH Object

Type

20001 –
20290

SCH1

RW

22321 –

22610

SCH9

RW

20291 –
20580

SCH2

RW

22611 –

22900

SCH10

RW

20581 –
20870

SCH3

RW

22901 –

23190

SCH11

RW

20871 –
21160

SCH4

RW

23191 –

23480

SCH12

RW

21161 –
24450

SCH5

RW

23481 –

23770

SCH13

RW

21451 –
21740

SCH6

RW

23771 –

24060

SCH14

RW

21741 –
22030

SCH7

RW

24061 –

24350

SCH15

RW

22031 –
22320

SCH8

RW

24351 –

24640

SCH16

RW

Table 60. Schedule Registers

Note that the first entry of each day’s time slot has to be 00:00 to indicate midnight and the time slot’s value can be
changed but not its time. To schedule 24 hours ON, only one entry is needed; set the midnight value to 0x0001 and it
will be turned OFF at midnight the next day. To delete an entry, fill the time and value with 0xFFFF. Only one entry can
be deleted at a time. You cannot delete all entries with one write.
Configuration properties are in sets for each Schedule and have the address space shown in Table 61. Each object has
290 registers and there are 16 objects per panel.

Offset Modbus Reg. DB size

Property

Format

Range

Type

0

20001

Byte

OutOfService

Int

0–1

RW

1

20002

Byte

Value

Int

0–1

RW

Start Schedule List

2

20003

Byte

Int

00:00–23:59

RW

3

20004

Byte

Day 1 Entry 1: Time

Value

Int

0 – Off, 1 – On

RW

4

20005

Byte

Int

00:00–23:59

RW

5

20006

Byte

Day 1 Entry 2: Time

Value

Int

0 – Off, 1 – On

RW

6

20007

Byte

Int

00:00–24:00

RW

7

20008

Byte

Day 1 Entry 3: Time

Value

Int

0 – Off, 1 – On

RW

8

20009

Byte

Int

00:00–23:59

RW

9

20010

Byte

Day 1 Entry 4: Time

Value

Int

0 – Off, 1 – On

RW

10

20011

Byte

Int

00:00–24:00

RW

11

20012

Byte

Day 1 Entry 5: Time

Value

Int

0 – Off, 1 – On

RW

12

20013

Byte

Int

00:00–23:59

RW

13

20014

Byte

Day 1 Entry 6: Time

Value

Int

0 – Off, 1 – On

RW

14

20015

Byte

Int

00:00–24:00

RW

15

20016

Byte

Day 1 Entry 7: Time

Value

Int

0 – Off, 1 – On

RW

16

20017

Byte

Int

00:00–23:59

RW

17

20018

Byte

Day 1 Entry 8: Time

Value

Int

0 – Off, 1 – On

RW

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