NOTE
The maximum current for the analog outputs 0-10V is 1mA.
NOTE
Where Live Zero Monitoring is used, it is important that any
analog inputs not being used for the frequency controller,
i.e. being used as part of the Building Management System
decentral I/O, should have their Live Zero function disabled.
Terminal
Parameters
Terminal
Parameters
Terminal
Parameters
Analog inputs
Analog inputs
Relays
X42/1
, 26-1*
53
6-1*
Relay 1 Term 1, 2, 3
5-4*
X42/3
, 26-2*
54
6-2*
Relay 2 Term 4, 5, 6
5-4*
X42/5
, 26-3*
Analog outputs
Analog output
X42/7
26-4*
42
6-5*
X42/9
26-5*
X42/11
26-6*
Table 3.3 Relevant parameters
It is also possible to read the analog inputs, write to the analog outputs and control the relays, using communication via the
serial bus. In this instance, these are the relevant parameters.
Terminal
Parameters
Terminal
Parameters
Terminal
Parameters
Analog inputs (read)
Analog inputs (read)
Relays
X42/1
53
Relay 1 Term 1, 2, 3
X42/3
54
Relay 2 Term 4, 5, 6
X42/5
Analog outputs (write)
Analog output (write)
X42/7
42
6-53 Terminal 42
Output Bus Control
NOTE! The relay outputs must be enabled via
Control Word Bit 11 (Relay 1) and Bit 12 (Relay
2)
X42/9
X42/11
Table 3.4 Relevant parameters
Setting of on-board Real Time Clock.
The Analog I/O option incorporates a real time clock with
battery back-up. This can be used as back up of the clock
function included in the frequency converter as standard.
See section Clock Settings, parameter group 0-7*.
The Analog I/O option can be used for the control of devices
such as actuators or valves, using the Extended Closed loop
facility, thus removing control from the Building
Management System. See section Parameters: Ext. Closed
Loop – FC 100 parameter group 21-**. There are three
independent closed loop PID controllers.
Parameter Description
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HVAC Drive Programming Guide
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