Input/Output Ports - nvent RAYCHEM T2000 Installation, Operating And Maintenance Manual

7.3 INPUT/OUTPUT PORTS
54 | nVent.com
– Flashing Green and Red: The AC 2000+ is in Run Mode but an internal failure has occurred.
All previously saved configuration data was found to be corrupt and default values are
being used. The user must re-configure the AC 2000+ beginning at step 1.
– Flashing Amber: The AC 2000+ is still in Configuration Mode not in Run Mode. Verify that
dip switch E1 is open and make sure the AC 2000+ is correctly inserted into left-most slot
of the card rack.
– Red or Off: The AC 2000+ is in Run Mode but an internal failure has occurred.
The AC 2000+ should be returned to nVent for service.
7.2.1 DIP SWITCH SETTINGS
There are six dip switches located along the top edge of the AC 2000+ (see Figure 7-1).
The function of each dip switch is described in the following table:
Dip Switch Function
E1 Configuration Mode Active When Closed
E2 Not Used
E3 Not Used
E4 Break Mode Active When Closed
E5 Watch Dog Timer Enabled When Closed
E6 Manual Reset Active When Closed
OPEN
AC 2000+
Figure 7-1 Dip switch Location on AC 2000+
7.3.1 HTC COMMUNICATION PORT
The AC 2000+ alarm/communications interface card can communicate with both the
CM 2000 and the CM 2000+ control modules through its HTC communication port.
A TRANSMIT LED and a RECEIVE LED are located on the front panel of the AC 2000+ to
indicate activity on this port. The following descriptions give details on all of the different
control module combinations supported by the AC 2000+:
Used With CM 2000 Control Modules Only:
A maximum of 40 CM 2000 control modules may be used with a single AC 2000+.
The communications rate must be set to 300 baud.
Used With CM 2000+ Control Modules Only:
A maximum of 256 CM 2000+ control modules may be used with a single AC 2000+.
The communications rate may be set to 9600 baud (recommended) or 300 baud.
DIP SWITCH
D794-003