
Device functions
Page 20
RES-5011
Version 2
8
Device functions
See also section 6.6 "Wiring diagram (standard)" on page 13.
8.1
LEDs and controls
In addition to the functions shown above, the LEDs also indicate various controller operating states. These states
are described in detail in the table below:
LED
Blinks slowly (1 Hz)
Blinks fast (4 Hz)
Lit continuously
AUTOCAL
(yellow)
RS bit set (reset)
AUTOCAL requested but
function blocked (e.g.
START active)
AUTOCAL executing
LED blinks at a different frequency:
Supply voltages incorrect (too low)
12 13 14 15 16 17 18
9
8
6
5
10 11
7
4
3
2
1
Vi s u a l
LINK
(green LED)
RX/TX
(yellow LED)
Lit if connection exists to
Ethernet.
Lit or blinking if Ethernet
frames are transmitted.
(green LED)
(yellow LED)
(yellow LED)
ALARM
(red LED)
AUTOCAL
OUTPUT
HEAT
Indicates pulses in
measurement mode. In control
mode, luminous intensity is
proportional to heating current.
Lit while AUTOCAL process is
executing.
Lit or blinking to indicate fault.
Lit during heating phase.
µC POWER
NETWORK
STATUS
(green LED)
MODULE
STATUS
(red/green)
(red/green)
24V POWER
(green LED)
Lit (green) if connection exists
to EtherNet/IP scanner; lit (red)
to indicate network error.
Lit (green) if there are no
communication errors.
Lit if internal power supply for
EtherNet/IP interface is OK.
Lit if external 24VDC power
supply is present.
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