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ГК Атлант Инжиниринг – официальный представитель в РФ и СНГ
Pin assignment of 14-pin screw terminal block(7188XA/7188XAD):
Pin Name Description
1
DO1
100mA, 30Vmax.
2
DO2
100mA, 30Vmax.
3
DI1
3.5V ~ 30V
4
DI2
3.5V ~ 30V
5
RXD4 RXD pin of COM4 (RS-232)
6
TXD4 TXD pin of COM4 (RS-232)
7
GND
GND pin of COM3 & COM4
8
TXD3 TXD pin of COM3 (RS-232)
9
RXD3 RXD pin of COM3 (RS-232)
10 INIT* Initial pin
11 D2+
DATA+ pin of COM2 (RS-485)
12 D2-
DATA- pin of COM2 (RS-485)
13 +VS
V+ of power supply (+10 to +30VDC unregulated)
14 GND
GND of power supply
Note: COM3=(TXD3, RXD3, GND), COM4=(TXD4, RXD4, GND),
COM3&COM4 share the same GND-pin(pin 7)
Pin assignment of COM1 connector (DB-9 Male):
Pin Name Description
1
DCD
Data Carrier Detect (RS-232)
2
RXD
Receives Data
D1+
DATA+ of RS-485 (JP1 select RS-485)
3
TXD
Transmits Data
D1-
DATA- of RS-485 (JP1 select RS-485)
4
DTR
Data Terminal Ready (RS-232)
5
GND
Signal ground of RS-232
6
DSR
Data Set Ready (RS-232)
7
RTS
Request To Send (RS-232)
8
CTS
Clear To Send (RS-232)
9
RI
Ring Indicator (RS-232)
Note: The COM1 can be used as a RS-232 or RS-485 port selected by JP1.
Refer to Sec. 1.5 for JP1 settings. If JP1 is set in RS-232, the connector of
COM1 is the same as the DB-9 RS-232 connector of the PC. If JP1 is set in
RS-485, the COM1 can directly drive the 7000 series modules. Refer to Sec.
1.6.6 for wire connections.
7188XA/B/C & 7521/2/2A/3/4/7 Series Hardware User' s Manual, Ver. 3.0 Sep/2002, 7Mh-001-20 -----
+7(495)109-02-08 sales@bbrc.ru www.bbrc.ru
(JP1 select RS-232)
(JP1 select RS-232)
13
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