Annunciation Contacts - YASKAWA E7N Technical Manual

Annunciation Contacts

Contacts for customer use are provided and wired to TB1 and TB2 as follows for use as annunciators of Bypass unit operation.
All are 5 amp at 120 VAC contacts.
Function
Motor Run
Hand Mode
Auto Mode
System Fault
* = Dedicated
@ = Programmable
Programmable Output Relays 1, 2 and 3 may be re-programmed via DIP switches S2 and S3 on the Bypass Control PCB A2.
These relays provide form C "dry contacts" for customer use in annunciation to Building Automation Systems or general duty
in other control logic circuits. Each contact is rated for 5 amps at 120 VAC.
The additional programmable output relay functions are described in the table below:
Function
Bypass Run
Damper Actuator
Auto Transfer
Drive Run
Serial Com Run
Hand Mode
Auto Mode
System Fault
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Table 2.4 Output Relays - Factory Defaults
Name (E7N-00) Terminal Block
Motor Run *
Relay 1 @
Relay 2 @
Relay 3 @
Table 2.5 Programmable Output Relay Functions
Annunciates running in Bypass mode
Intended to close a contact in a damper actuator circuit
whenever the motor is commanded to run (operation similar
to the dedicated "Motor Run" relay)
Annunciates automatic transfer to Bypass operation due to a
Drive fault
Annunciates running in Drive mode
Annunciates that the run command is coming from serial
communications
Annunciates that the Drive or Bypass is being operated in
Hand (local) mode
Annunciates that the Drive or Bypass is being operated in
Auto (remote) mode
Annunciates that a Drive, motor overload or control circuit
fault has occurred
Electrical Installation 2 - 9
Terminals
TB1 10-11
TB1 12-13-14
TB2 1-2-3
TB2 4-5-6
Description
Type
Form A
Form C
Form C
Form C
Factory Default
No
No
No
No
No
Relay 1
Relay 2
Relay 3