connectionS and PortS
21
DEWE3-A4L • Technical reference • Printing version 1.0.0 • September 22, 2022
EPAD2 connector
To connect DEWETRON EPAD2 modules to the system, a LEMO EGG.1B.304 socket is provided. Shield is connected on
housing.
1
2
4
3
+12 V
DC
GND
RS-485 A
RS-485 B
Fig. 8: Pin assignment EPAD2 connector
Mating connector
`
LEMO FGG.1B.304.CLAD52Z (for cable diameter 4.1 to 5.0 mm)
`
LEMO FGG.1B.304.CLAD62Z (for cable diameter 5.1 to 6.0 mm)
PTP/IEEE 1588
(optional)
The DEWE3-OPT-IRIG/PTP function is an optional feature and provides the following synchronization input modes:
`
PTP/IEEE 1588
`
IRIG
PTP/IEEE 1588
specifications
IP mode
Multicast
Protocol
UDP / IPv4; ETH
Delay mechanism
End-to-end; peer-to-peer
IP address method
DHCP
Connector
RJ-45 Ethernet plug for 10 / 100 Mbit Ethernet connection; only for
synchronization, no data transfer possible
Programmable correction limit
10 ns to 500 ms
Tab. 5: PTP/IEEE 1588 specifications
IRIG input specifications
Supported codes
IRIG code A or B; DC
Compatibility (DC code)
DC level shift (edge detection); TTL / CMOS compatible
Low: <0.8 V
High: >2 V
Tab. 6: IRIG input specifications