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Sercos Fiber-optic Connectors
The sercos fiber-optic ring is connected by using
the sercos receive (RX) and transmit (TX)
connectors.
ATTENTION: To avoid damage to the sercos RX and TX connectors use only
finger-tight torque when attaching the fiber-optic cables. Do not use a wrench
or any other mechanical assistance. For more information, refer to Fiber-optic
Cable Installation and Handling Instructions, publication 2090-IN010.
Table 12 - Sercos Specifications
Attribute
Value
Data rates
8 Mbps (fixed)
Light intensity
Adjustable, low or high power, selectable via the keypad/LCD display (see
Cyclic update period
500 μs, minimum
Node addresses
Assigned on each IDM unit, see
since it is not a sercos device.
Enable Input
One digital input is supplied to enable all connected IDM units.
The enable status is transmitted to all of the IDM units.
Terminal Description
1
+24V DC Enable Supply
2
Enable Input
3
24V DC Common
(1) Maximum/minimum that the connector will accept—these are not recommendations.
Table 13 - Enable Input Specifications
Signal
Description
ENABLE Optically isolated, single-ended active high signal. Current loading is
nominally 10 mA. A 24V DC input is applied to this terminal to enable all
modules. The reaction time for all IDM units connected to the IPIM is 30 ms,
maximum.
Rockwell Automation Publication 2094-UM003A-EN-P - May 2012
Kinetix 6000M System Connector Data
page
70. The IPIM module does not have a sercos address
Strip
Length
Signal
mm (in.)
ENABLE 24V+
+
7.0
(0.275)
ENABLE INPUT
EN
ENABLE 24V COM
-
Chapter 4
Receive
Transmit
page
68).
1
Min/Max
(1)
Torque
Wire Size
2
N•m (lb•in)
mm
(AWG)
0.235 (2.0)
0.14...1.5
(30...14)
IDM Unit
Reaction
Edge/Level
Time
Sensitive
30 ms
Level
41
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