Bypass Control Circuit Terminal Functions - YASKAWA E7N Technical Manual

Bypass Control Circuit Terminal Functions

The functions of the control circuit terminals are shown in Table 2.15.
Type No.
TB1-1
TB1-9
TB1-2
Auto Mode run/stop command
TB1-9
TB1-3
TB1-9
Digital
TB1-4
input
TB1-9
signals
TB1-5
TB1-9
TB5-4
Drive Input Terminal S7
TB5-2
TB5-5
Drive Input Terminal S6
TB5-2
TB3-2 +15 VDC power supply
Analog input or Speed Command
when connected to Drive
Terminal A2 by DIP switches
TB3-3
Analog Input or Speed Command
when connected to Drive
Analog
Terminal A1 by DIP switches
input
signals
Multi-function analog input
TB5-9
connected to Drive terminal A2
TB3-1
Analog input common
TB5-7
Shield wire, optional ground line
PE
TB1-10
TB1-11
TB1-12
TB1-13 Programmable Relay 1
TB1-14
Digital
output TB2-1
signals
TB2-2 Programmable Relay 2
TB2-3
TB2-4
Programmable Relay 3
TB2-5
TB2-6
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Table 2.15 Bypass Control Circuit Terminals
Signal Name
NC Safety Circuit
BAS Interlock
Remote Transfer
Smoke Purge
+15 VDC power supply for analog Transmitters
4 to 20 mA/100% or 0 to +10
(H3-08 and DIP switch S1-2)
S1-3 and S1-4
S1-3 and S1-4
4 to 20 mA/100% or 0 to +10
(H3-08 and DIP switch S1-2)
connection point
Motor Run
Form C Relay Function Selections:
1. Bypass Run
2. Damper Actuator
3. Auto Transfer
4. Drive Run
5. Serial Com. Run
6. Hand Mode
7. Auto Mode
8. System Fault
See Table 2.6 for DIP Switch programming
Electrical Installation 2 - 21
Function
Fault when OPEN
Run when CLOSED; stopped when OPEN.
Enable Drive when Closed
Transfer to Bypass when Closed
Transfer to Bypass when Closed
Programmable Input
Programmable Input
Function set by
VDC/100%
0 to +10 VDC/100%
Function set by
VDC/100%
–
–
CLOSED During Motor Operation
Signal Level
Dry
Contacts
+15 VDC
(Max. current: 20 mA)
4 to 20 mA(250Ω)
H3-09. 0 to +10 V(20 kΩ)
0 to +10 V(20 kΩ)
4 to 20 mA(250Ω)
0 to +10 V(20 kΩ)
H3-09.
–
–
Dry contacts
Contact capacity:
5 A max. at 250 VAC
5 A max. at 120 VAC