User Manual

Function diagrams
Communication
2-526
© Siemens AG 2011 All Rights Reserved
SINAMICS G120 Control Units CU230P-2 Parameter Manual (LH9), 06/2011
Fig. 2-23 9370 – Send telegram, free interconnection via BICO
- 9370 -
Function diagram
87654321
FP_9370_97_62.vsd
Fieldbus Interface (USS, Modbus, BACnet on RS485)
CU230P-2 HVAC / BT
13.12.2010 V4.4
Send telegram, free interconnection via BICO
<1>
...
<3>
<1>
<1>
Reference quantities for
further interconnection
p200x
The send word 1 must be used as status word (ZSW1). The preconfiguration is set automatically via p0700 = 6.
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 hex; 0° C -> 0%.
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
<2>
The preconfiguration with the speed setpoint is set automatically via p1000 = 6.
<2>
<3>