SSI America Video Gaming Accessories 9200 Manuel D’Utilisation

SSi Manual SERIES 9200

31                                              Programmable Dual-loop

Zone Assignments

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The zone assignment feature allows the SERIES 9200 program to change set points on all instruments of a

multi-zone furnace.  The SERIES 9200 has up to five (5) temperature and atmosphere zone assignments

available.   The SERIES 9200 programmer looks for appropriate zone assignments whenever a set point is

to be sent to the atmosphere or temperature controller.  The temperature set point is sent to every
instrument number in the temperature zone assignment.

If the 

ZONE_OFF

 (Zone Offset) “opcode” had been used in the program the set point sent to the specified

zone instrument will have the offset added.  For example, a 3-zone pit furnace where the bottom zone

usually has a higher set point. The middle zone and the top zone usually have a lower set point.  The
bottom zone temperature controller is assigned to zone 1, the middle temperature controllers to zone 2,

and the top zone controller to zone 3.

If the first three steps of a program are as shown below, then the bottom zone set point is 1725, the

middle zones are 1750, and the top zone is 1800.

1

ZONE_OFF

50

1

2

ZONE_OFF

25

3

3

SETPT

1750

The first step sets the offset for zone 1 to –25 degrees; therefore, the bottom zone controller would be
sent a set point of 1725 when step 3 is executed.  Likewise step 2 sets the offset for zone 4 to 50 degrees.

The top zone then receives a set point of 1800.  The middle zone controller would receive the 1750. The