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IAC Programmable Controllers
IAC 420
Universal Multi-Loop Intelligent Advanced Controller
The IAC 420 is designed for use in both small and large buildings. It has a stand-alone
capability, or may be configured from a central computer over the serial link. The IAC
420 has pre-sets for common applications or can be fully customised.
INSTALLATION DETAILS
Power supply:
24Vac (±10%) 47/63Hz
Power Consumption:
6VA max (excluding any connected outputs)
15 Volt dc Output:
25 mA max
Power failure reserve:
E2PROM preserves configuration data and user settings.
Inputs:
6 x configurable inputs
Outputs:
3 x 0 to 10V outputs, 6 x digital (triacs on/off) outputs
ACCESSORIES
841-1-201
Real Time Clock Board
Terminals Control
Range
Outputs
IAC 420 – F
Fixed
3 loop
-40 to +150°C
20 to 90% rh
250 to 9750 Ohms
0 to 10,000 Lux
3 x 0 to 10Vdc
3 x 24V pulsed
24V switched
1 x 15Vdc
IAC 420 – P
Plug-in
Data Sheet 2.801
Satchwell Product Catalogue – SATCHWELL Sigma – IAC Programmable Controllers
IAC CONTROLLERS
FEATURES
• Serial link
• Configured via VisiSat
• Configurable switched outputs
• Six configurable inputs
• 15Vdc supply output
• 0 to 10Vdc or stepped fan control
• Three off 2-stage controllers
• Optional Real Time Clock
(RTC) board
FEATURES
• 6 PID control loops
• Compensation and optimisation
modules
• Configured via VisiSat
• Standard selectable applications
• Six temperature (resistive)
sensor inputs
• Six 0 to 10Vdc inputs
• Eight Voltage free switched
inputs
INSTALLATION DETAILS
Power supply:
24Vac (±10%) 50/60Hz
15 volt dc output:
30 mA max
Power Consumption:
10VA
Power failure reserve:
Non volatile RAM preserves memory up to 10 years.
Inputs Sensors:
Six temperature (resistive). Six 0 to 10 Volt dc, max input 10 Volts dc
Digital input:
Eight voltage free contacts, opto isolated, can be used for pulse
counting, 0.5Hz max.
Actuator Outputs:
Four 0 to 10 Volt dc. Eight digital (triac on/off) outputs
IAC 600
Universal Multi-Loop Intelligent Advanced Controller
The IAC 600 is a Multi-loop Configurable Controller designed primarily for use
in typical multi-loop situations such as air-conditioning systems and Central Plant
Heating/Cooling Systems.
The IAC 600 includes full plant sequence control and rotation based on plant hours
run. It also has a number of preset applications in the software to cater for typical
control schemes.
Control
Range
Outputs
IAC 600-B
IAC 600-S
6 x PID loops
-40 to +150°C
20 to 90% rh
250 to 9750 Ohms
0 to 10,000 Lux
4 x 0 to 10Vdc
8 x on/off triac
1 x 15Vdc
Data Sheet 2.951