Specifications

Specifications and Selection Criteria 43
1785-SO036C-EN-P - April 2002
1771 and 1785 Communication
Modules
Spec & Select
Catalog number: Function: Design considerations:
Backplane Current
Load:
1771-ACN,
-ACNR
Interfaces I/O modules in an I/O
chassis to a ControlNet scanner port
across a ControlNet network
Place in remote ControlNet
chassis
Requires ControlNet PLC-5
controller
1.0A
1771-ASB Interfaces I/O modules in an I/O
chassis to a remote scanner port
across a universal remote I/O link
Place in a remote chassis
Requires any PLC-5 controller that
supports universal remote I/O
1.0A
1771-SDN Interfaces a local PLC-5 controller to
a maximum of 2 DeviceNet networks
Place in the local chassis 1.2A
1771-DA Interfaces a PLC-5 controller and a
peripheral device that generates
ASCII characters
Place in the local chassis 1.3A
1771-DB Provides an interface between a
PLC-5 controller, 1771 backplane
and RS-232, -422 or -485 devices
Place in the local chassis .75A (with 1747-PIC)
.65A
1771-DCM Provides a remote I/O adapter port
for a local PLC-5 controller to
communicate with a remote I/O
scanner port of a supervisory
process across a remote I/O link
Place in the local chassis 1.2A
1771-KE Provides an interface between
RS-232-C devices and Data Highway
link with both full and half duplex
protocols
Place in the local chassis. Power
source is the 1771 I/O chassis
power supply.
1.2A
1771-KF Provides an interface between
RS-232-C devices and Data HIghway
link with both full and half duplex
protocols
Includes mounting bracket for
external mounting or in a standard
industrial enclosure (NEMA Type
12 or similar)
Power source is user-supplied
(1771-P2 or similar)
1.2A
1785-KA Provides an interface between a DH+
link and a Data Highway link
Place in the local chassis 2.0A
1785-KE Interfaces a DH+ link to an
RS-232-C
Place in the local chassis 1.2A