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„Aktor M ST L Modbus"
3.3
Technical data
Technical data
Operating voltage
Power consumption
Start up load
Interface
Drive
Inputs and outputs
Connection
Display
Motor deactivation
Travel noise
Piston stroke
Floating time
Operating power
Position indicator
Valve anti-blocking
function
Permissible fluid
temperature in the
valve
Ambient tempera-
ture
101274584-V01.11.2019
24 V AC ±10 %, 50/60 Hz;
4.8 VA; 24 V DC ±10 %; 2.5
W
Dimensioning:
- 9.0 VA (24 V AC)
- 4.7 W (24 V DC)
nominal:
- 4.8 VA (24 V AC)
- 2.5 W (24 V DC)
- 24 V DC; 5.0 A; 0.025 A
- 24 V AC; 7.2 A; 0.052 A
RS485 Modbus RTU slave;
max. 1000 m depending
on the baud rate
Directly via Modbus via au-
tomation station or gateway
2 universal in- or outputs
(P1, P2) independently para-
metrizable via Modbus as:
- binary input, volt free
max. 500 Ohm; 1 mA; 13
V DC
- analogue input, see table
"sensor types", S.4
- analogue output 0..10 V
DC only P2
Two pre-assembled cables
1.5 m; 2 x 2 x 0.5 mm
2
shielded
and 1.5 m; 4 x 0.5 mm
2
LED display for operating
voltage and status
Drive stem:
extending = load-depend-
ent,
retracting = load-dependent
<31 dB (A)
max. 14 mm
22 s/mm
nominal 500 N
Stroke scale
Optional activation
Parametrization via Modbus
0 -120 °C
0 - 50 °C
Ambient humidity
Overvoltage cate-
gory
Pollution degree
Protection class
s
2
s
Protective system
2
Installation position
Maintenance
Weight
Bus communication
Interface
Type of transmission Modbus RTU slave
Supported baud
rates
Start/stop bits
Number of bus par-
ticipants
Bus load
Termination
Bias network
Recommended line
Bus topology with
115.200 baud
Bus topology with
38.400 / 57.600 baud
Bus topology with
9.600/19.200 baud
Stub lines
Supported Modbus
function codes
Technical description
In operation: 0 - 85 % r.h.,
not condensing
Out of operation: 0 - 85 r.h.,
not condensing
Degree of protection
2
IP54
NOTICE
Short circuit due to drip-
ping water
f Do not feed the cable in
from the top.
III according to EN 60730
360°
maintenance-free
396 g
EIA-485 / RS-485
9.600, 19.200, 38.400
(factory setting), 57.600,
115.200 bps
8N1, 8N2 (factory setting)
Up to 32 recommended,
max. 64
1/8 unit load
Switchable in the appliance,
120 Ohm
To be set in the master
Twisted pair cable with
shield (characteristic imped-
ance
about 120 Ohm)
Recommended max. line
length 500 m
Recommended max. line
length 750 m
Recommended max. line
length 1000 m
Max. line length 2 m
Code
Function
0x03
Read holding reg-
ister
0x06
Write holding reg-
ister
0x03
Read holding mul-
tiple
0x10
Write holding mul-
tiple
9
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