Honeywell Fusion4 MSC-L - 3.9.2.2 Characteristics; 3.9.3 Analog Output; 3.9.3.1 Functional Description

System Description - Output Functions
Fusion4 MSC-L Part No.: 4418309_Rev09
3- 54 Installation & Operation Manual
Honeywell
3.9.2.2 Characteristics
3.9.3 Analog Output
3.9.3.1 Functional Description
The Analog Output (AO) supports 2-wire passive 4-20 mA. The AO
does NOT provide a power supply to power the loop.
FIGURE 3-32 illustrates the simplified block diagram of the AO
connection to the external devices.
FIGURE 3-32 AO connections
Item Minimum Typical Maximum Unit
Isolation - - 2500 V
AC
Output load voltage - - 30 V
DC
Output load current (Sink) - - 10 mA
Output load current (Source) - - 10 mA
F
MAX
Switching frequency - - 10 kHz
T
ON
and T
OFF
pulse width 15 - - µs
Output Saturation voltage
(over entire temp range)
- - 1 V
DC
CNx
CAN-ARM-MSC or
CAN-IN-OUT-MSC
1, 3 or 5 (AO_ax)
4-20mA
AO+
AO-
T
+
-
24V
DC
External DC
power supply
2, 4 or 6 (AO_bx)
NPN
External equipment