Feature Value
Output data
[byte]
128 (process data) and 42 (diagnos‐
tic data)
194 (process data)
Data content "Technical description
SIGMA CONTROL 2 process im‐
age", document number 7_7601xPA.
"Technical description
SIGMA AIR MANAGER 4.0 process im‐
age", document number 7_9696_PA.
Tab. 23 Technical Specifications - Modbus TCP interface
Assignment of the Modbus TCP interface
Pin * Signal Conductor colour Description
1 TD+ Yellow Send positive (positive transmit)
2 TD– Orange Send negative (negative Transmit)
3 RD+ White Positive receive
4, 5, 7, 8 — — —
6 RD- Blue Negative receive
Housing Cable shield — High-impedance (1 MOhm/47 nF) connection with func‐
tional earthing (FE)
* Position of pins 1 through 8, see chapter 9
Tab. 24 Assignment of the Modbus TCP interface
Recommended conduit
Feature Value
Conductor Network conductor, CAT5 shielded, CU, for example: 7.7629.0
Plug Bus plug RJ45, IP20, for example: 7.7628.0
Maximum cable length [m] 100
Tab. 25 Recommended conductors - Modbus TCP interface
3.2.4 DeviceNet module
Communication module
Feature Value
Bus DeviceNet adapter (Slave), galvanically isolated
EDS file 324-8172-EDS_ABCC_DEV_V_2_3_1.eds
Functions Implicit and explicit messaging, UCMM, change-of-state, cyclic IO, polled IO
Baud rate [kbps] Automatic recognition, possible baud rates: 125–500
Input data [byte] 64
Output data [byte] 128
Data content "Technical description SIGMA CONTROL 2 process image", document number
7_7601xPA.
Tab. 26 Technical specifications - SIGMA CONTROL 2 communication module
3 Technical Specifications
3.2 Communication modules
No.: 901700 10 E
Service Manual Controller
SIGMA CONTROL 2 BLOWER ≥ 2.5.3
15
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