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Johnson JVRCM270 Guide D'utilisation page 84

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Port Diagram
The touch-screen centralized controller detects the status of DI2 every 5 seconds. When DI2 is closed,
emergency stop is triggered, and the controller records the operating modes and set temperatures of IDUs that
are active at that moment, and sends a shutdown command to these IDUs. Then, the controller detects the
statuses of DI2 and IDUs every 60 seconds. If DI2 is still closed, the controller continues to send shutdown
commands to IDUs. If DI2 is open, the controller releases the emergency stop. If "Recovery after emergency
stop" is enabled, the controller sends a startup command to these IDUs and restores the IDUs to the recorded
operation statuses before the emergency stop.
After emergency stop is released, the controller will enable "Recover devices after emergency stop" according to
configurations in "Advanced Settings".
Note: Emergency stop can be triggered only on devices that have been started up for more than 3 minutes.
X1
X2
Y5
R
C
X
Y
E
DI1
DI2
DO1
DO2
AI1
AI2
The Ethernet interface connected to the network is
LAN
The USB 2.0 interface is used to export reports,
USB
import floor plans and topology files.
X6 Y6
DI1
DI2
NC
DO1
DO2
NC
AI1
AI2
NC
LAN
24VAC
24VAC
Interface X, XYE bus (COM1-6)
Interface Y, XYE bus (COM1-6)
Interface E, XYE bus (COM1-6)
Reserved
Emergency stop dry contact
Reserved
Reserved
Reserved
Reserved
used to access the device.
6
USB
Figure 1.6
V.1

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