Johnson Controls 40 25 TON, Установка, эксплуатация и обслуживание

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193
JOHNSON CONTROLS
5276178-JIM-C-0118
6
As stated above the MAC address can also be set using
the SERVICE key. Go to parameter “PI MANUAL
MAC ACCESS”. Press the

key and enter the MAC
address number using the numeric keypad and then press
the

key again. The MAC address can be a number
from 0 to 127. If the MAC address is entered using
the User Interface the control will ignore any values
entered through the MAC Address Switches. In order
to make the MAC Address switches active again a value
of –1 would need to be entered for the “PI MANUAL
MAC ACCESS”. In order to use the above procedure to
establish the Device Object Instance (DE) the value for
“DE MODIFIER OFFSET” MUST BE SET TO –1.”
In most applications the above procedure allows the
Device Object Instance (DE) to be established. Some
applications may request that the Device Object Instance
(DE) be set to a given value. This can be done through
the User Interface. To do this you would use the “DE
MODIFIER ADDRESS” in conjunction with the “DE
MODIFIER OFFSET”. Using this feature the Device
Object Instance (DE) would be the (“DE MODIFIER
ADDRESS” x 100) plus “DE MODIFIER OFFSET”.
For example if you wanted a DE address of 2010 the “DE
MODIFIER ADDRESS” to 20 and the “DE MODIFIER
OFFSET” to 10. The Device Object instance (DE) is
limited to a value between 0 and 4,194,303.
The “DE MODIFIER ADDRESS” and the “DE
MODIFIER OFFSET” are both set using the SERVICE
key of the User Interface. Go to parameter “DE
MODIFIER ADDRESS”. Press the

key to enter the
DE Modifier Address number using the numeric keypad
and then press the

key again. Then go to parameter
“DE MODIFIER OFFSET”. Press the

key to enter the
DE Modifier Offset number using the numeric keypad
and then press the

key again.
Additional Settings
The following parameters can also be programmed
using the SERVICE key:
PORT 1
“P1 BAUD RATE”
“P1 MANUAL MAC ADDRESS”
“P1 PARITY”
“P1 PROTOCOL”
“P1 STOP BITS”
PORT 2
“P2 BAUD RATE”
“P2 MANUAL MAC ADDRESS”
“P2 PARITY”
“P2 PROTOCOL”
“P2 STOP BITS”
PORT 3
“P3 BAUD RATE”
“P3 MANUAL MAC ADDRESS”
“P3 PARITY”
“P3PROTOCOL”
“P3 STOP BITS”
PORT 4
“P4 BAUD RATE”
“P4 MANUAL MAC ADDRESS”
“P4 PARITY”
“P4 PROTOCOL”
“P4 STOP BITS”
Table 80 gives the BACnet name, BACnet Object Type
and Instance, and the Modbus Register Address for the
available communication points.
Any time a change is made to the MAC
address using the DIP switches or a
change to the above communication
parameters using the SERVICE key of
the User Interface the main power to
the unit must be cycled OFF and back
ON to change the value in memory.