Modbus registers - Basic Documentation - GMA121.1E - GMA126.1E - GMA131.1E - GMA136.1E - GMA161.1E - GMA161.1E/MO - GMA163.1E - GMA164.1E - GMA166.1E - GMA321.1E - GMA321.1E/SW - GMA326.1E

OpenAir™ GMA...1 actuators with spring return

Product Family
OpenAir
Product Group
Damper actuators
Content Language
English
Content Type
Technical Documentation > Basic Documentation
Product Version
Status
Valid
Date
2018-01-11
Document No
CM2Z4614en
Download ID
22970
Stock No.
BPZ:GMA121.1E
BPZ:GMA126.1E
BPZ:GMA131.1E
BPZ:GMA136.1E
BPZ:GMA161.1E
BPZ:GMA163.1E
BPZ:GMA164.1E
BPZ:GMA166.1E
BPZ:GMA321.1E
BPZ:GMA326.1E
S55499-D300
S55499-D512
Product No.
GMA121.1E
GMA126.1E
GMA131.1E
GMA136.1E
GMA161.1E
GMA161.1E/MO
GMA163.1E
GMA164.1E
GMA166.1E
GMA321.1E
GMA321.1E/SW
GMA326.1E
Access level
Internet
File Type
html

Reg.

Name

R/W

Unit

Scaling

Range / enumeration

Process Values

1

Setpoint

RW

%

0.01

0..100

2

Override control

RW

--

--

0 = Off / 1 = Open / 2 = Close

3 = Stop / 4 = GoToMin / 5 = GoToMax

3

Actual position

R

%

0.01

0..100

256

Command

RW

--

0 = Ready / 1 = Adaption / 2 = Selftest
3 = ReInitDevice / 4 = RemoteFactory Reset

Parameters

257

Opening direction

RW

--

--

0 = CW / 1 = CCW

258

Adaptive Mode

RW

--

--

0 = Off / 1 = On

259

Operating Mode

RW

--

--

1 = POS

260

MinPosition

RW

%

0.01

0..100

261

MaxPosition

RW

%

0.01

0..100

262

Actuator Running Time

R

s

1

90

513

Backup Mode

RW

--

--

0 = Go to BackupPosition

1 = Keep last position

2 = Disabled

514

Backup Position

RW

%

0.01

0..100

515

Backup Timeout

RW

s

1

0..65535

516

Startup Setpoint

RW

%

0.01

0..100

764

Modbus Address

RW

--

--

1..247 / 255 = “unassigned”

765

Baudrate

RW

--

--

0 = auto / 1 = 9600 / 2 = 19200
3 = 38400 / 4 = 57600 / 5 = 76800
6 = 115200

766

Transmission Format

RW

--

--

0 = 1-8-E-1 / 1 = 1-8-O-1

2 = 1-8-N-1 / 3 = 1-8-N-2

767

Bus Termination

RW

--

--

0 = Off / 1 = On

768

Bus Conf. Command

RW

--

--

0 = Ready / 1 = Load / 2 = Discard

769

Status

R

-- --

See below, Register 769 “Status”

Reg. Name R/W Value Example
Device information
1281 Factory Index R Two bytes, each coding an ASCII char. 00 5A 🡪 00 “Z”
Device is of Series “Z”
1282 Factory Date HWord R Two bytes, the lower coding the Year (hex)

Read 1282 🡪 000F

Read 1283 🡪 0418

HWord LWord
-- YY MM DD
Hex 00 0F 04 18
Dec 00 15 04 24

🡪 Device was manufactured
24 April, 2015

1283 Factory Date LWord R

High byte: coding the month (hex)

Low byte: coding the day (hex)

1284 Factory SeqNo HWord R Hword + LWord = HEX-representation of Sequence number:

Read 1284 🡪 000A

Read 1285 🡪 A206

AA206(hex) 🡪 696838 (dec)

🡪 Device has sequence
number 696838

1285 Factory SeqNo LWord R
1409 ASN [Char_16..15] R

Each register: Two bytes, each coding an ASCII char.

ASN is coded beginning with reg. 1409

Example:
0x47 44 = GD

0x42 31 = B1

0x38 31 = 81

0x2E 31 = .1

0x45 2F = E/

0x4D 4F= MO

🡪 ASN is GDB181.1E/MO

1410 ASN [Char_14..13] R
1411 ASN [Char_12..11] R
1412 ASN [Char_10..9] R
1413 ASN [Char_8..7] R
1414 ASN [Char_6..5] R
1415 ASN [Char_4..3] R Reserve
1416 ASN [Char_2..1] R

Register 769 “Status”

Status

Bit 00

1 = reserved

Bit 06 1 = Adaption done
Bit 01

1 = Backup mode active

Bit 07 1 = Adaption in progress
Bit 02

1 = reserved

Bit 08 1 = Adaption error
Bit 03

1 = reserved

Bit 09 1 = Selftest failed
Bit 04

1 = Mechanical fault, device

jammed or manual override

Bit 10 1 = Selftest passed
Bit 05

1 = Nom. lifetime exceeded

Bit 11 1 = Invalid configuration

Supported function codes

Function codes

03 (0x03)

Read Holding Registers

04 (0x04)

Read Input Registers

06 (0x06)

Write Single Register

16 (0x10)

Write Multiple Registers (Limitation: Max. 120 registers within one message)