10.4 APOGEE FLN (P1) Communications
YASKAWA
SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
719
■
Wiring Diagram for More than One Bypass
shows how to wire more than one connected bypass using serial communications.
Figure 10.8 Wiring Diagram for More than One Bypass
Note:
When you install the bypass at the end of the network line, set DIP switch S1 to
“
ON
”
to enable the termination resistor. Set DIP switch S1 to
“
OFF
”
on all other bypasses.
■
Recommended Cable
Table 10.9 APOGEE FLN Cable Specifications
Specification
Description
Cable configuration
Twisted shielded pair
Gauge
•
Stranded wire: 0.2 mm
2
to 1.0 mm
2
(24 AWG to 16 AWG)
•
Sold wire: 0.2 mm
2
to 1.5 mm
2
(24 AWG to 16 AWG)
Wire lay
Minimum 6 twists per foot
Shields
100% foil with drain wire
NEC type
UL type CMP
Temperature
-20 °C to +60 °C
Note:
Cable lengths cannot be loner than 152 m (500 ft) at 4800 bps.
◆
Slope and Intercept Conversion
Several parameters are available for monitoring purposes. The available parameters include FREQ OUTPUT (Point
3), SPEED (Point 5), CURRENT (Point 6), TORQUE (Point 7), POWER (Point 8), DRIVE TEMP (Point 9), KWH
(Point 10), and RUN TIME (Point 12). These points can be unbundled for monitoring or used in various global
control strategies.
■
Bypass Controlled Feedback
The most typical application is Supervisory Control. The sensor for the control variable (for example, water
temperature) is hard-wired to the bypass and the control device (fan) is modulated using the PI control loop built into
PLC
R+
Bypass
OFF
R-
S+
S-
IG
2
3
1
TXRX+
TXRX-
IG5
S1
Bypass
OFF
2
3
1
TXRX+
TXRX-
IG5
S1
Bypass
ON
2
3
1
TXRX+
TXRX-
IG5
S1
Содержание H6B1A002
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Страница 454: ...5 14 Z Bypass Parameters 454 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
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