User's Manual

3. Installing the Hardware
EAC-2100 Manual: (Draft, 02/01) Page 3-8
3.4 Connecting External Alarms/Controls (Optional)
The EAC-2100 includes the following inputs and outputs, which may be used to
monitor or control non-EAC-2100 equipment:
• 4 digital inputs
• 4 open collector digital outputs
• 4 analog inputs
• 1 +5 Vdc/100 mA source for powering external circuitry
These inputs and outputs are located on the DB15 connector on the front of the
controller module. The signals on the pins are controlled and monitored via the local or
remote link. Electrical specifications for the pins are shown in Figure 3-7.
(UPDATE)
Figure 3-6. External Alarm/Control Connector Pin Out
Pin Function Pin Function
1 +5 Vdc/100 mA 14 Ground
2 Ext. Digital Output 4 15 Ground
3 Ext. Digital Output 3 16 Ground
4 Ext. Digital Output 2 17 Ground
5 Ext. Digital Output 1 18 Ground
6 Ext. Digital Input 4 19 Ground
7 Ext. Digital Input 3 20 Ground
8 Ext. Digital Input 2 21 Ground
9 Ext. Digital Input 1 22 Ground
10 Ext. Analog Input 4 23 Ground
11 Ext. Analog Input 3 24 Ground
12 Ext. Analog Input 2 25 Ground
13 Ext. Analog Input 1