
16
Step 5: Wire the Communications
RS-232 Connections (COM1)
RS-485 Connections (COM1 and COM2)
Infrared Connections (COM4)
5
1
9
6
Null modem cable pinout
Pin 3 - Transmit Data - Pin 2
Pin 2 - Receive Data - Pin 3
Pin 7 - Request to Send- Pin 8
Pin 8 - Clear to Send- Pin 7
Pin 5 - Signal Ground- Pin 5
Pin 6 - Data Set Ready- Pin 4
Pin 4 - Data Terminal Ready- Pin 6
Specification
Meter Connected to Computer
Meter Connected to External
Modem
Connector Type
DB9 female end for mating with male connector on the meter
Wire
Null modem RS-232 cable
Straight-through RS-232 cable
Maximum Cable Length
15.2 m
(50 ft)
Data Rate
300 – 115,200 bps
Isolation
Optical
Duplex
Full
Compliance
ANSI/IEEE C37.90-1989 surge withstand and fast transient tests
SH
RS-485 Shield (electrically connected to chassis ground)
–
RS-485 Data Minus
+
RS-485 Data Plus
Connector Type
Captured wire
Wire
Shielded twisted pair RS-485 cable,
22 AWG (0.33 mm
2
) or larger
Maximum Cable Length
1219 m (4000 ft) total for entire bus
Data Rate
300 – 115,200 bps
Maximum Devices (per bus)
32
Isolation
Optical
Duplex
Half
Compliance
ANSI/IEEE C37.90-1989 surge withstand
and fast transient tests
Connect SH at
one end only
Interface
ANSI C12.18 Type II optical port
Location
Front of meter
Data Rate
1,200 – 19,200 bps
Duplex
Half
Содержание 9510
Страница 1: ...9510 9610 Power Meter Installation Guide ...
Страница 2: ......
Страница 26: ...26 ...
Страница 27: ......