3.2.1 PROFIBUS module
Communications module
Feature
Value
Controller
SIGMA CONTROL 2
SIGMA AIR MANAGER 4.0
Bus
PROFIBUS DP-V0 Slave, RS485
GSD file
KAES0CEC.gsd
KAKO0EFB.gsd
Baud rate
Automatic recognition, possible baud rates:
[kbps]: 9.6/19.2/45.45/93.75/187.5/ 500
[Mbps]: 1.5/3/6/12
Input data
64 byte
Output data
128 byte
Diagnostic data 31 byte
—
Data content,
see
"Technical description
SIGMA CONTROL 2 process im‐
age", document number
7_7601_PA.
"Technical description
SIGMA AIR MANAGER 4.0 process im‐
age", document number 7_9696_PA.
Tab. 19 Technical specifications - PROFIBUS
Assignment of bus interface (Sub-D port, 9 poles, screw locking)
Pin
Signal
Description
1, 2, 7, 9 —
—
3
B
RxD/TxD positive, RS485 Level
4
RTS
Send request
5
GND
- for terminator, data delivery (isolated)
6
VP
+5 V for terminating resistor (isolated, short-circuit proof, max. 10 mA)
8
A
RxD/TxD negative, RS485 Level
Housing Cable shield Compliant with PROFIBUS standard, connected internally via filter to func‐
tion earth (FE)
Tab. 20 Assignment of PROFIBUS interface
3.2.2 Modbus module
Communications module
Feature
Value
Controller
SIGMA CONTROL 2
SIGMA AIR MANAGER 4.0
Bus
SIGMA CONTROL 2 or ASCII, RS485 or RS232, galvanically isolated
Baud rate
[bps]
Adjustable, possible baud rates:
1200 / 2400 / 4800 / 9600 / 19200 / 38400 / 57600 / 76800 / 115200
Stop bits
Possible settings 1 / 2
Parity
Possible settings None / Even / Odd
Bold elements: Factory setting
3
Technical Specifications
3.2
Communication modules
No.: 901700 14 E
Service Manual Controller
SIGMA CONTROL 2 BLOWER ≥ 4.0.X
13