Yaskawa Z1000U HVAC Matrix Bypass - Manual (Page 98)

u Serial Communications
Refer to BACnet Communications on page 361 or Refer to MEMOBUS/Modbus Communications on page 381 for details
depending on the applicable serial communications protocol.
n Serial Communication Terminals
Table 3.9 Control Circuit Terminals: Serial Communications
Type Name Description Notes
MEMOBUS/Modbus,
BACnet,
Metasys N2, or
Apogee P1
Communication
IG5 Isolated ground
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.
TXRX+ (+) Differential communication signal
RS-485 signal levels
TXRX- (-) Differential communication signal
SHIELD Shield tie point Connected to chassis ground
n Bypass and Drive Control Circuit Wire Size and Torque Specifications
Select appropriate wire type and gauges from Table 3.10 . For simpler and more reliable wiring, use crimp ferrules on the wire
ends. Refer to Table 3.11 for ferrule terminal types and sizes.
Table 3.10 Bypass and Drive Control Circuit Gauge and Torque Values
Terminal
Screw
Size
Tightening
Torque
N •m
(lb. in)
Bare Wire Terminal Ferrule-Type Terminal
Wire Type
Applicable
wire size
mm 2 (AWG)
Recomm.
wire size
mm 2 (AWG)
Applicable
wire size
mm 2 (AWG)
Recomm.
wire size
mm 2 (AWG)
DO-7, DO-8, DO-9,
DO-10
DI-1, DI-2, DI-3, DI-4,
DI-5, DI-6, DI-7, DI-8,
IG24
IG5, TXRX+, TXRX-,
SHIELD
M3
0.5 to 0.6
(4.4 to 5.3)
Stranded wire:
0.2 to 1.0
(24 to 16)
Solid wire:
0.2 to 1.5
(24 to 16)
0.75 (18)
0.25 to 0.5
(24 to 20)
0.5 (20)
Shielded wire,
etc.
+V, A1, A2, AC
FM, AM, AC
R+, R-, S+, S-, IG
M3
0.5 to 0.6
(4.4 to 5.3)
Stranded wire:
0.2 to 1.0
(24 to 16)
Solid wire:
0.2 to 1.5
(24 to 16)
0.75 (18)
0.25 to 0.5
(24 to 20)
0.5 (20)
Shielded wire,
etc.
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 Table 3.11 for dimensions.
d1
d2
8 mm
L
Figure 3.20 Ferrule Dimensions
Table 3.11 Ferrule Terminal Types and Sizes
Size mm 2 (AWG) Type L (mm) d1 (mm) d2 (mm) Manufacturer
0.25 (24) AI 0.25-8YE 12.5 0.8 1.8
PHOENIX CONTACT
0.34 (22) AI 0.34-8TQ 10.5 0.8 1.8
0.5 (20)
AI 0.5-8WH or
AI 0.5-8OG
14 1.1 2.5
3.5 Control Circuit Wiring
98 YASKAWA SIEP YAIZ1D 01A Z1000U HVAC MATRIX Drive Bypass Technical Manual