| Price | variable |
| MOQ | 1 |
| Delivery Time | Negotiate |
| Brand | Yokogawa |
| Place of Origin | japan |
| Certification | CE |
| Model Number | ALF111-S51 |
| Packaging Details | Carton |
| Payment Terms | T/T |
| Supply Ability | 50pcs/weeks |
| Place of Origin | japan | Description | Yokogawa Foundation Fieldbus Communication Module |
| Packaging Details | Carton | Product type | Foundation Fieldbus Communication Module |
| Communication functions | LAS function, Clock master function | Model Number | ALF111-S51 |
| Supply Ability | 50pcs/weeks | Certification | CE |
| Weight | 0.4 Kg | Brand Name | Yokogawa |
| Payment Terms | T/T | Current consumption | 0.5 A or less |
| Price | variable | Delivery Time | Negotiate |
| Product NO. | ALF111-S51 | Minimum Order Quantity | 1 |
| Withstanding voltage | From field to system: 1500 V AC/minute | Manufacturer | Yokogawa |
| Transmission speed | 31.25 kbps |
ALF111-S51 Yokogawa Foundation Fieldbus Communication Module
Manufacturer
:
Yokogawa
Product
No.
:
ALF111-S51
Product
Type
:
Foundation
Fieldbus
Communication
Module
Model
:
ALF111
=
Foundation
Fieldbus
Communication
Module
-S
:
Standard
type
5
:
With
no
explosion
protection
1
:
With
ISA
Standard
G3
option
Weight
:
0.4
Kg
Shipping
Weight
:
2
Kg
GENERAL
This
document
describes
about
Model
ALF111
FOUNDATION
fieldbus
Communication
Module
(for
FIO)
which
is
to
establish
communication
between
field
control
stations
(FCS)
and
fieldbus
devices
compliant
to
the
FOUNDATION
fieldbus(H1)
such
as
transmitters
and
valve
positioners.
HARDWARE
SPECIFICATIONS
The
FOUNDATION
fieldbus
communication
module
(ALF111)
performs
as
the
Link
Active
Scheduler
(LAS)
to
exchange
data
with
devices
compliant
with
FOUNDATION
fieldbus
(H1)
protocol.
The
hardware
specifications
for
this
module
are
as
shown
in
the
table
below
| Item | Specifications |
| Model | ALF111 |
| Interface |
FOUNDATION
fieldbus
(low
speed
voltage
mode) 4 ports (1 segment (*1) per port) |
| Transmission speed | 31.25 kbps |
| Withstanding voltage | From field to system: 1500 V AC/minute |
| Bus connection (external connection) |
•
Pressure
clamp
terminals
(removable
terminal
block
with
built-in
terminators
that
can
be
switched
on/off.
) • Connects with terminal board via a dedicated cable. |
| No. of control I/O channels (*2) | Max. 48 points/segment (Complies with high- and medium-speed scanning cycle by specifying up to 6 points of I/O points as high-speed scanning type on the ER bus.) |
| No. of fieldbus devices | Max. 32 units per segment (*3) (ALF111 counts as one unit) (*4) |
| Communication functions | LAS function, Clock master function |
| Dual-redundancy | Enabled to set up two units of ALF111 installed in the annexed slots in the same node unit. |
| Current consumption | 0.5 A or less |
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