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SED2 VFD Startup, Operation, and Maintenance Manual

76 Siemens Building Technologies, Inc.

Network Communications

Table 8 lists the parameters required for correct APOGEE™ system FLN

communications and control of the SED2.

CAUTION:

Changes made to the parameters other than what is listed in

Table 8 can result in damaging the drive or building equipment.

Table 8. Parameters for Network Communications.

Parameter Value

P0003:

User access

Level

Set to 3 to allow access to required parameters.

P2040:

CB telegram

off time

Set to 0 (watchdog disabled) to tell the SED2 to start looking

for communication via the setting of P2041.

P2041[0]:

CB parameter

Set to 1 for FLN (P1) control.

(Set to 2 for FLN (N2) control.)

P0918:

CB address

Set to 99 for (P1) addressing of the device.

(Set to 3 for (N2) addressing of the device.)

Unit must be powered down to establish P1 communications,

and then the address is assigned.

The address will return to the default of 99 when the drive is

powered down.

P0700[0]

Set to 6 tells the SED2 to look for a start command from the

network in the auto mode.

P1000[0]

Set to 6 tells the SED2 to look for its speed source from the

network in the auto mode.

Since there is a limited life to EEPROM writes, set the Network Fault

Indicator to 0 only when troubleshooting a communications problem.

If a factory reset of parameters is desired, set P0010 to 30 and then set

P0970 to 1.

Appendix B: SED2 Point Maps provides a SED2 P1 point map for

APOGEE

Automation Systems and a SED2 N2 point map for Johnson

Controls, Inc. systems.

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