3.3 Commissioning
299
7SD610 Manual
C53000-G1176-C145-4
Figure 3-18 PC interfacing directly to the device - example
Figure 3-19 PC interfacing via modem — schematic example
Checking a Con-
nection using
Direct Link
For two devices linked with fibre optical cables (as in Figure 3–18 or 3–19), this con-
nection is checked as follows.
• Both devices at the link ends have to be switched on.
• Check in the operating indications or in the spontaneous indications:
– If the indication „PI1 with“ (protection data interface 1 connected with no.
3243) is provided with the device index of the other device, a link has been es-
tablished and one device has detected the other.
– The device also indicates the device index of the device which communicates
correctly (e.g. annunciation „Rel2 Login“, No. 3492, when relay 2 has been
contacted).
• In case of an incorrect communication link, you see the message „PI1 Data
fault“ (No 3229). In this case, recheck the fibre optical cable link.
– Have the devices been linked correctly and no cables been mixed up?
– Are the cables free from mechanical damage, intact and the connectors locked?
– Otherwise repeat check.
Continue with the margin heading „Consistency of Topology and Parameterization“.
Checking a Link
with a Communica-
tion Converter
If a communication converter is used, please note the instructions enclosed with the
device. The communication converter has a test setting where its outputs are looped
back to the inputs.
Links via the communication converter are tested by means of local loop-back (Figure
3-20, left).
www . ElectricalPartManuals . com
To Next Page
Loading...
