YASKAWA Z1000U Technical Manual page 66

3.5 Control Circuit Wiring
u
Serial Communications
Refer to BACnet Communications on page 331
depending on the applicable serial communications protocol.
n Serial Communication Terminals
Type
MEMOBUS/Modbus,
BACnet,
Metasys N2, or
Apogee P1
Communication
n Bypass and Drive Control Circuit Wire Size and Torque Specifications
Select appropriate wire type and gauges from
ends. Refer to Table 3.11
Screw
Terminal
Size
DO-7, DO-8, DO-9,
DO-10
DI-1, DI-2, DI-3, DI-4,
DI-5, DI-6, DI-7, DI-8, M3
IG24
IG5, TXRX+, TXRX-,
SHIELD
+V, A1, A2, AC
FM, AM, AC M3
R+, R-, S+, S-, IG
n Ferrule-Type Wire Terminals
Yaskawa recommends using CRIMPFOX 6, a crimping tool manufactured by PHOENIX CONTACT, to prepare wire ends
with insulated sleeves before connecting to the drive. See
2
Size mm (AWG)
0.25 (24)
0.34 (22)
0.5 (20)
66
or
Table 3.9 Control Circuit Terminals: Serial Communications
Name Description
IG5 Isolated ground
TXRX+ (+) Differential communication signal
TXRX- (-) Differential communication signal
SHIELD Shield tie point
Table
for ferrule terminal types and sizes.
Table 3.10 Bypass and Drive Control Circuit Gauge and Torque Values
Bare Wire Terminal
Tightening
Torque
Applicable
N•m
wire size
(lb. in)
2
mm (AWG)
Stranded wire:
0.2 to 1.0
0.5 to 0.6 (24 to 16)
(4.4 to 5.3) Solid wire:
0.2 to 1.5
(24 to 16)
Stranded wire:
0.2 to 1.0
0.5 to 0.6 (24 to 16)
(4.4 to 5.3) Solid wire:
0.2 to 1.5
(24 to 16)
Figure 3.20 Ferrule Dimensions
Table 3.11 Ferrule Terminal Types and Sizes
Type L mm (in)
AI 0.25-8YE 12.5 (0.49)
AI 0.34-8TQ 12.5 (0.49)
AI 0.5-8WH
14.0 (0.55)
AI 0.5-8OG
Refer to MEMOBUS/Modbus Communications on page 351
Ground reference for RS-485 signals. This is an isolated ground
used only for communications and may be used in certain
circumstances to connect to other communication devices floating
ground references.
RS-485 signal levels
Connected to chassis ground
3.10. For simpler and more reliable wiring, use crimp ferrules on the wire
Recomm.
wire size
2
mm (AWG)
0.75 (18)
0.75 (18)
Table 3.11 for dimensions.
d1
d2
d1 mm (in) d2 mm (in)
0.8 (0.03) 2.0 (0.08)
0.8 (0.03) 2.0 (0.08)
1.1 (0.04) 2.5 (0.10)
YASKAWA SIEP YAIZ1D 01C Z1000U HVAC MATRIX Drive Bypass Technical Manual
Notes
Ferrule-Type Terminal
Applicable Recomm.
wire size wire size
2 2
mm (AWG) mm (AWG)
0.25 to 0.5
0.5 (20)
(24 to 20)
0.25 to 0.5
0.5 (20)
(24 to 20)
Manufacturer
PHOENIX CONTACT
for details
Wire Type
Shielded wire,
etc.
Shielded wire,
etc.