Operating Instructions

3 Function diagrams 3.7 Communication, fieldbus interface (USS, MODBUS, BACnet)
SINAMICS G120 CU230P-2 Control Units
546 List Manual (LH9), 04/2014, A5E33838102B AA
Fig. 3-42 9370 – Send telegram, free interconnection via BICO (p0922 = 999)
- 9370 -
Function diagram
87654321
fp_9370_97_62.vsd
Fieldbus Interface (USS, MODBUS, BACnet)
CU230P-2 BT/HVAC
07.04.2014 V4.7
Send telegram, free interconnection via BICO (p0922 = 999)
...
Reference quantities for
further interconnection
p200x
The send word 1 must be used as status word (ZSW1).
Physical word values are inserted in the telegram as referenced variables. p200x apply as reference variables (telegram contents = 4000
hex, if the input variable has the value p200x).
The following applies for temperature values: 100 °C -> 100 % = 4000
PZD send word 1
PZD send word 2
PZD send word 3
PZD send word 4
PZD send word 5
PZD send word 6
PZD send word 7
PZD send word 8
Send telegram
Diag send word
r2053
[0 … 7]
PZD send word
(0)
p2051[0]
PZD send word
(0)
p2051[1]
PZD send word
(0)
p2051[2]
PZD send word
(0)
p2051[3]
PZD send word
(0)
p2051[4]
PZD send word
(0)
p2051[5]
PZD send word
(0)
p2051[6]
PZD send word
(0)
p2051[7]
Fieldbus
The preconfiguration with the speed setpoint is set automatically via p1000 = 6.
<1>
<2>
<3>
<3>
<1>
<1>
<2>