York YHAU-CE, Установка, эксплуатация и обслуживание, Страница: 50 / 136

JOHNSON CONTROLS
50
FORM 155.35-ICOM2.EN.CE/GB (1018)
DATE: 10/30/2018
SECTION 4 - TECHNICAL DATA
TABLE 11 - CABLE DIAGRAM (RS-422 OR RS485)
PIN CONNECTION PIN.
NO.
RS-422 OR RS-485
5
1
9
6
LD20598
SIGNAL NAME DIRECTION MEANING
1 RDA Input Receive Data A (+)
2 RDB Input Receive Data B (-)
3 SDA Output Send Data A (+)
4 ERA Output Data Terminal Ready A (+)
5 SG Signal Ground
6 CSB Input Send Possible B (-)
7 SDB Output Send Data B (-)
8 CSA Input Send Possible A (+)
9 ERB Output Data Terminal Ready B (-)
Shell FG Frame Ground (Common with SG)
FIGURE 16 - 2-WIRE 1:1 CONNECTION WITH USER-CREATED CABLE
2-Wire Cable Diagrams Without Adaptor
The following are sample cable diagrams for a 2-wire
type connection.
LD21546