Description
REF615C_D A network of resistors and capacitors establishes input thresholds and provides input filtering.
Optoisolators provide isolation between the field inputs and the module’s logic components. Data
from all 16 inputs is placed into a data buffer. The module’s circuit LEDs show the current states of
the 16 inputs in this data buffer.
REF615C_D Parallel-to-serial converters change input data from the data buffer into the serial format needed by
the Bus Interface Unit.
After checking the Board ID and verifying that the module is receiving appropriate logic power
from the Bus Interface Unit (which is reflected by the state of the module’s Power LED), the Bus
Interface Unit then reads the filtered, REF615C_D converted input data
The Terminal Block with box terminals has 25 terminals for each module, each of which
accommodates one AWG #14 (avg 2.1mm2 cross section) to AWG #22 (avg 0.36mm2 cross
section) wire, or two wires up to AWG #18 (avg. 0.86mm2 cross section). When an external jumper
is used, the wire capacity is reduced from AWG #14 (2.10mm2 ) to AWG #16 (1.32mm2 ).
The I/O Terminal Block with barrier terminals has 18 terminals per module. Each terminal can
accommodate one or two wires up to AWG #14 (avg 2.1mm2 cross section).
REF615C_D The I/O Terminal Block with Connectors has one 20-pin male connector per module. The mating
connector is Amp part number 178289-8. Any tin-plated contact in the AMP D-3000 series can be
used with the connector (Amp part number 1-175217-5 for high contact force receptacle for 20-24
gauge (0.20-0.56mm2 ) wires), 1-175218-5 for high contact force receptacle for 16-20 gauge (0.56-
1.42mm2 )).
If the module is installed on an I/O Terminal Block with Barrier Terminals, an Auxiliary Terminal
Block can be used to provide additional wiring terminals. For the I/O Terminal Block with Wire to
Board Connectors, external connection points are usually be preferred, although an Auxiliary
Terminal Block can be used.
Auxiliary Terminal Blocks have all terminals connected together internally. The Auxiliary
Terminal Block with box terminals has 13 terminals, each of which accommodates one AWG #14
(avg 2.1mm2 cross section) to AWG #22 (avg 0.36mm2 cross section) wire, or two wires up to
AWG #18 (avg. 0.86mm2 cross section). The Auxiliary Terminal Block with barrier terminals has
nine terminals, each of which can accommodate one or two wires up to AWG #14 (avg 2.1mm2
cross section).
The following illustration shows how an optional Auxiliary Terminal Block with Box Terminals
can be used for power connections when installing this module on an I/O Terminal Block with Box
Terminals.
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(1) Source purchase to reduce the price difference in the intermediate phase
(2) Stable channel and more guaranteed supply
Lead time problem
(1) For the spot products in stock, the delivery can be arranged on the same day after the contract payment is signed
(2) Order products and deliver according to the quoted delivery date
Xiamen Xiongba adheres to the enterprise philosophy of “improving the value of spare parts supply chain”,
For the simple purchase procedure of spare parts, ensure that they are delivered to the site in a timely manner, and help users reduce the risk of downtime caused by the shortage of spare parts
The emergency spare parts support service is complete, and the user can customize the spare parts. The quality of the spare parts is reliable. All the spare parts provided enjoy a one-year super long warranty
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