110
YASKAWA
SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
3.9
External Interlock
For applications that will have unwanted effects on the system if the drive stops, make an interlock between fault
relay output (MA, MB, MC) and the MFDO
DriveReady
signal.
◆
Annunciation Contact Outputs
Annunciation contacts for customer use are provided at terminal blocks TB1 as indicated in . Annunciation contacts
identify the status of bypass operation. Contacts are rated for 2 Amps, 24 Vdc/120 Vac +/- 15% maximum.
Function
Name
Terminal Block
Terminals
Type
Motor Run
DO-7
TB1
1-2-3
Form C
HAND Mode
DO-8
TB1
4-5-6
Form C
AUTO Mode
DO-9
TB1
7-8-9
Form C
System Fault
DO-10
TB1
10-11-12
Form C
*1
These are the default settings. Set
Z2-23 to Z2-26
to select other functions.
Use
Z2-23 to Z2-26
to reprogram the function of output relays DO-7 through DO-10. These form C dry contact relays
are for customer use in annunciation to building automation systems (BAS) or other circuits. Each contact is rated for
2 amps at 120 Vac.
◆
Building Automation System Run/Stop Circuit
DI-1 (TB2-1 by default setting in
Z2-01
) is available to connect the normally open (N.O.) Run/Stop contact from a
BAS or other remote controller for AUTO Mode control.
These terminals must have contact closure for the motor to run in AUTO Mode.
◆
Safety Interlock Circuit
DI-2 (TB2-2 by default setting in
Z2-02
) is provided to connect safety devices in a normally-closed series circuit,
such as: freeze up thermostats, smoke/fire sensors, high pressure limits, temperature limits or vibration detectors.
The keypad will display the status
“
Safety Open
”
, and trigger a Safety Open fault if a N.C. safety circuit is not closed
between DI-2 and IG24 (TB2-10) on PCB A2 at power-up with a Run command in HAND or AUTO mode. An open
circuit between DI-2 and IG24 will prevent bypass operation.
Take one of these steps to ensure proper operation prior to startup:
1. Install a N.C. safety circuit between DI-2 and IG24 on PCB A2.
2. Install a jumper between DI-2 and IG24 (on PCB A2. A normally-closed safety circuit may also be used in place
of this jumper
◆
Building Automation System Interlock Circuit (Drive and Bypass Enable Input)
The keypad will display the status
“
INTRLOCK OPN
”
and possibly a
“
BAS Ilock-open
”
alarm or
“
BAS Ilock TO
”
fault if a N.C. safety circuit is not closed between DI-3 (TB2-3 by default setting of
Z2-03
) and IG24 on PCB A2 at
powerup with a Run command in HAND or AUTO Mode. An open circuit between TB2-3 and IG24 (TB2-10) will
prevent bypass operation.
Take one of these steps to ensure proper operation prior to startup:
1. Install a N.C. BAS Interlock Circuit/Damper Interlock between DI-3 and IG24 on PCB A2.
2. Install a jumper between DI-3 and IG24 on PCB A2. You can also use a normally-closed BAS interlock in place
of this jumper.
◆
Remote Transfer to Bypass
Terminal TB2-4 is a programmable input with a default setting of
“
Remote Transfer to Bypass
”
operation. Use
Z2-04
to change the function of this terminal.
Содержание HV600
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Страница 454: ...5 14 Z Bypass Parameters 454 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
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Страница 780: ...11 3 European Standards 780 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...