Watlow Series SD31 PID with Optional Countdown Timer Manual do Utilizador Página 14

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Watlow Series SD31 12 Chapter 2 Install and Wire
Ethernet Gateway
The EM00-GATE-0000 is a bridge that allows up
to 32 Watlow controllers to be directly connected to
an Ethernet network.
The gateway provides a bridge for Modbus mes-
sages between the Ethernet bus and EIA-485 or
EIA-232 links. The Gateway supports full product
configuration monitoring and configuration of run-
time parameters via MODBUS TCP over TCP/IP
using a software package such as Watlow’s
WATVIEW™.
The Series SD31 can be configured using
WATVIEW with or without the EM Gateway.
For more information, go to www.watlow.com and
search on EM Gateway.
Figure 12a — Connecting to the Watlow EM Gateway
(Ethernet to EIA/TIA 485 Serial Modbus connection).
Controllers must be wired in a daisy chain configuration.
Note: UL Approved, Class 2, power supply required as EM
Gateway power source: 24VÎ (dc), part 0830-0474-000.
T+/R+
T-/R-
3
4
Ethernet
RJ45
24Võ (ac/dc)
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