Commissioning The Bus Coupler - Aventics RMV04-8DI_M8 Instrucciones De Servicio

126 AVENTICS | PROFIBUS DP | R499050016–BDL–001–AE
Commissioning and Operation
O O
O O
O
O
O
O O
Fig. 20: LED displays on the M8 output module (left) and M12 (right)
Tab. 21: Meaning of the LED display on the output module
LED Color
U Green
Q1
Red
Off
U Green
Q2
Red
Off
O0 to O7 Off
Yellow Corresponding HIGH level output
7.4

Commissioning the bus coupler

Before commissioning the system, the following steps must
have been carried out and completed:
W
You have assembled the valve systems and the bus coupler
(see "Assembling the bus coupler on the valve system" on
page 89).
W
You have connected the bus coupler
(see "Connecting the bus coupler electrically" on page 91).
O
Meaning
Load supply U available
Q1
Diagnosis: Overload/short circuit of controlled
output O0, O1, O2, or O3
Load supply U not available (e.g. emergency OFF)
Q1
Load supply U available
Q2
Diagnosis: Overload/short circuit of controlled
output O4, O5, O6, or O7
Load supply U not available (e.g. emergency OFF)
Q2
Corresponding LOW level output