Beckhoff BK3120 User Manual

Product overview
BK3xx010 Version: 4.3.0
Technical data
Type BK3000, BK3010 BK3100, BK3110 BK3120 LC3100
Number of Bus Terminals 64 64 (255 with K-bus exten-
sion)
64
Digital peripheral signals 512 inputs/outputs (BK3x00)
256 inputs/outputs (BK3x10)
max. 1020 inputs/outputs 256 inputs/outputs
Analog peripheral signals 128 inputs/outputs (BK3x00) max. 64 inputs/outputs -
Configuration possibility Via the KS2000 configuration software or the controller
Max. number of bytes
(inputs and outputs)
BK3000: 244bytes BK3100:
64 bytes (DP and FMS oper-
ation)
128 bytes (DP operation
only)
128bytes 32bytes
BK3010: 32bytes BK3110: 32bytes
Baud rate (automatic de-
tection)
up to max. 1.5
Mbaud
up to max. 12 Mbaud
Bus connection 1 x D-sub plug, 9-pin with shielding spring-loaded terminals
Power supply 24V
DC
(-15 % /+20 %)
Input current 70mA + (total K-bus current)/4, 500mA max.
(BK3x00)
70mA + (total K-bus current)/4, 200mA max.
(BK3x10)
70 mA + (total K bus cur-
rent)/4, max. 500 mA
70 mA + (total K bus cur-
rent)/4, max. 200 mA
Starting current 2.5 x continuous current
Recommended fuse maximum 10A
K-bus current up to 1750mA (BK3x00)
500mA (BK3x10)
1750mA 500mA
Power contact voltage maximum 24 V
DC
Power contact current
load
maximum 10A
Electrical isolation Power contact / supply / fieldbus Power supply / fieldbus
Dielectric strength 500V (power contact/ supply/ fieldbus) 500 V (supply / fieldbus)
Weight approx. 170 g approx. 150 g approx. 170 g approx. 100 g
Permissible ambient tem-
perature (operation)
0°C … +55°C -25°C … +60°C 0°C … +55°C
Permissible ambient tem-
perature (storage)
-25°C … +85°C
Permissible relative hu-
midity
95% (no condensation)
Vibration/shock resis-
tance
conforms to EN 60068-2-6 / EN 60068-2-27
EMC immunity / emission conforms to EN 61000-6-2 / EN 61000-6-4
Protection class IP20
Installation position variable
Approvals
CE, ATEX [}33], cULus, GL CE, ATEX [}33], cULus,
GL, IECEx
CE, ATEX [}33], cULus

Beckhoff BK3120 Specifications

General

Brand	Beckhoff
Model	BK3120
Category	Adapter
Language	English