General Description; Technical Features - Seneca K107A Manual Del Usuario

K107A / K107B
EN
Half-duplex RS485 serial bus with 3-point insulation

General Description

The K107A and K107B modules are half duplex serial buses with 3-point insulation.
Although both modules feature:
Timed automatic direction switching.
Communication speeds that can be configured by dip-switch,
They differ in the type of interface present on the X side:
K107A: RS485
K107B: RS232B

Technical features

Power supply features
Power-supply :
Consumption :
X-side port characteristics
Type:
Capacity:
Terminator:
Protection:
Y-side port characteristics
Type:
Capacity:
Terminator:
Protection:
19,2..30 Vdc
max 22 mA at 24 Vdc
under normal operating conditions.
K107A :RS485, K107B: RS232B
32 standard nodes for K107A
Yes for K107 A, No for K107B
Up to 30 Vdc
RS485 half-duplex
32 standard nodes
Yes
Up to 30 Vdc