10
4.3 Man-Machine Communication
Local console:
- The controls on the local console are enabled regardless of the value of P103.
- Acknowledgment of faults is possible.
Remote control console:
- All parameters may be read depending on the authorised access level.
- All unit controls are enabled if P103 = remote or BMS.
- In this case, the following parameters may be accessed for modification:
- On/Off.
- Cooling/Heating.
- All adjustment parameters are locked, depending on the authorised access level, except for the first 11 if P103 = local.
- Acknowledgment of faults is not possible.
- Test mode is possible.
BMS:
- All parameters (except P100, P103, P104 and P105) are accessible in read mode..
- All parameters (except P1 to P99, P100, P103, P104 and P105) are accessible in write mode. However, access to parameters P1 to P99 is
possible when P99 is unlocked on the machine
‟s local console.
- Acknowledgment of faults is not possible.
NOTE
: All the registers (see communication protocol) appear regardless of the value of P103.
To enable write mode, P103 must be set to
„remote or BMS‟.
To be able to switch between heating and cooling, P199 must be set to
„cooling/heating‟ via the console.
To be able to switch between setpoints 1 and 2, P120 must be set to
„2‟ via the console.
Locking the console:
Available only on the local console on the unit.
The factory setting for the console is
„unlocked‟.
The lock status is saved in the event of a mains power failure.
If lock mode is enabled while modifying a parameter, any
modifications made are aborted and the controller is reset to its
initial value.
To lock the console, simultaneously hold down the
+
and
–
buttons for 5 seconds (possible in any menu on the console).
The following message appears on the screen for 5 seconds then
machine state reappears.
All modifications from the local console are then inhibited.
Any attempts to make modifications will cause the above message to appear for 3 seconds.
To unlock the console, simultaneously hold down the
+
and
-
buttons for 5 seconds. The following message appears on the screen for
3 seconds:
5 ACCESS LEVELS
C
ONNECT
2
features three parameter access levels:
- Level 1: Users
- Level 2: Technicians/Maintenance
- Level 3: CIAT Technicians (full access)
5.1 Selecting an authorised access level
Authorised access levels are selected in menu 14 (ACC. LEVEL SELECT.). The following screen appears:
- Level 3 provides automatic access to all levels (CIAT technicians).
- Level 2 provides access to levels 1 and 2 only (Technicians/Maintenance and CIAT technicians).
- Level 1 provides access to level 1 only (all users).
5.2 Accessing the various access levels
5.2.1 Restricting access to level 1 only
- Access level 2 is the default access level.
- If you are in a higher level and you want to restrict access to level 1 only, simultaneously hold down the
ESC
and
OK
buttons for 10 seconds.
C O N S O L E
L O C K E D
C O N S O L E
U N L O C K E D
C O N T R O L L E R I N L E V E L x
1 4 - 1 A C C E S S T O L E V E L 2
1 4 - 2 A C C E S S T O L E V E L 3
Summary of Contents for Magister 2 Series
Page 2: ......
