YOKOGAWA F3RS22-0N, Руководство пользователя

Страница: 29 / 65

3-4
IM 34M6H21-01E 2nd Edition : Aug, 2001-00
3.2 External Wiring
This subsection explains the point-to-point wiring methods.
For multi-point connection, see Section 4.6, “Multi-point Connections.”
For two-wire systems, register setting is required. See Section 4.6 "
„
Setting Registers".
„
RS-422/RS-485 Terminal Block
Connection Terminal block
Applicable wire Size: 0.3 to 1.25 mm
2
thick
(AWG 22 to 18)
Example: CO-SPEV-SB (A) 3P
u
0.5 SQ from Hitachi
Cable, Limited.
Wiring method Crimp-on
Crimp-on terminal For 3.5-mm size
Tightening torque 0.8 N. m
Crimp-on
terminal
Applicable crimp-on
terminal Examples:
V1.25-M3 from J.S.T. Mfg. Co. Ltd.
RAV1.25-3.5 from Nippon Tanshi Co., Ltd.
„
Four-Wire System
RD
SD
SD
RD
SDA
SDB
RDA
RDB
SG
SHIELD
SG
A
B
A
B
F3RS41-0N module’s
port terminals
Remote equipment
(RD A)
(RD B)
(SD A)
(SG)
(SD B)
Terminating resistor
SHIELD
Set the terminating resistor selector swtich to a 4-wire system.
SD A
SD B
RD A
RD B
SG
SHIELD SHIELD terminal
8.6mm
7.3mm
M3.5
Send data A
o
Send data B
o
Send data A
o
Send data B
o
Signal ground
SD B
SD A
RD A
SG
SHIELD
RD B
Terminating resistor
(built-in)