18 BCU-01/11 control units
Reference voltage for
analog VREF and
-VREF
(XAI:1
and
XAI:2)
Connector pitch 5 mm, wire size 2.5 mm
2
10 V ±1% and –10 V ±1%,
R
load
1…10 kohm
Maximum output current: 10 mA
Analog inputs AI1 and
AI2 (XAI:4 … XAI:7).
Current/voltage input
mode selection by
switches
Connector pitch 5 mm, wire size 2.5 mm
2
Current input: –20…20 mA,
R
in
: 100 ohm
Voltage input: –10 …10 V,
R
in
> 200 kohm
Differential inputs, common mode range ±30 V
Sampling interval per channel: 0.25 ms
Hardware filtering: 0.25 ms, adjustable digital filtering up to
8 ms
Resolution: 11 bit + sign bit
Inaccuracy: 1% of full scale range
Inaccuracy with Pt100 sensors: 10 °C (50 °F)
Analog outputs AO1 and
AO2
(XAO)
Connector pitch 5 mm, wire size 2.5 mm
2
0…20 mA,
R
load
< 500 ohm
Frequency range: 0…500 Hz
Resolution: 11 bit + sign bit
Inaccuracy: 2% of full scale range
Drive-to-drive link
(XD2D)
Connector pitch 5 mm, wire size 2.5 mm
2
Physical layer: RS-485
Termination by switch
RS-485 connection
(X485)
Connector pitch 5 mm, wire size 2.5 mm
2
Physical layer: RS-485
Drive interlock
connection (XDIL)
Connector pitch 5 mm, wire size 2.5 mm
2
Input voltage range: -3…30 V DC
Logic levels: “0” < 5 V, “1” > 17 V
For the unit to start, both connections must be “1”
Current consumption: 66 mA (continuous) per DIL channel per
inverter module
EMC (immunity) according to IEC 61326-3-1
Drive interlock output
(XDIL OUT)
Connector pitch 5 mm, wire size 2.5 mm
2
To DIL connector of inverter module
Control panel
connection
(X13)
Connector: RJ-45
Cable length < 3 m
Ethernet connection
(XETH)
Connector: RJ-45
SDHC memory card slot
(SD CARD)
Memory card type: SDHC
Maximum memory size: 4 GB
The terminals on the board fulfill the Protective Extra Low Voltage (PELV) requirements. The
PELV requirements of a relay output are not fulfilled if a voltage higher than 48 V is
connected to the relay output.
