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19
Status LED’s
As shown in figure 2 .2 on page 16, the RM-89 has two status LED’s on the rear cover . These LED’s are present on side
connector units as well . The tables below list the various states of the LED’s and their meaning .
Module Status LED
Network Status LED
Position Reset
The large plug on the back of the RM-89 covers a momentary push button that can be used to reset the position data to zero .
See figure 2 .1, Address and Bus Value Switch Locations on page 14 for the location of the switch .
• The position is reset to zero on every press of the button and the resulting offset is stored in Flash
memory .
• The position can also be preset over the network, but using the push button may be easier in some
applications .
Note:
Once the position is reset to zero, the plug must be re-installed and securely tighten in order to maintain the IP rating of the
RM-89 . Use care when installing the plug so that the o-ring that seals against the back cover is not damaged .
Table 2 .7 Module Status LED States
LED State
Definition
Off
No Power
Alternating Red/Green
Self-Test (Run on power up .)
Steady Green
Device Operational
Steady Red
Hardware Fault . (Cycle power . If fault persists, contact TURCK for sup-
port .)
LED State
Definition
Off
No Power
Alternating Red/Green
Power up Self-Test
Flashing Green
No established connections, unit in Idle state
Steady Green
Connection established
Flashing Red
Network Connection Timeout
Steady Red
Duplicate address on network .
Table 2 .8 Network Status LED States
Содержание DeviceNet RM-89
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