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ГК Атлант Инжиниринг – официальный представитель в РФ и СНГ
Pin assignment of 13-pin screw terminal block(7522/7522D):
Pin Name Description
1
CTS3 Clear To Send of COM3 (RS-232)
2
RTS3 Request To Send of COM3 (RS-232)
3
RXD3 Receives Data of COM3 (RS-232)
4
TXD3 Transmits Data of COM3 (RS-232)
5
GND
Signal ground of COM3 & COM4
6
DO1
Digital output, 150mA, 30V
7
DI3
Digital input, 3.5V ~ 30V
8
DI2
Digital input, 3.5V ~ 30V
9
DI1/
Initial pin or digital input, 3.5V ~ 30V
INIT*
10 D2+
DATA+ pin of COM2 (RS-485)
11 D2-
DATA- pin of COM2 (RS-485)
12 +VS
V+ of power supply (+10 to +30VDC unregulated)
13 GND
GND of power supply
Pin assignment of COM1 connector (DB-9 Male):
Pin Name
Description
1
Data+
DATA+ of RS-485 port
2
TXD
Transmits Data (RS-232)
3
RXD
Receives Data (RS-232)
4
N/C
No Connection
5
GND
Signal ground of RS-232
6
N/C
No Connection
7
CTS
Clear To Send (RS-232)
8
RTS
Request To Send (RS-232)
9
Data-
DATA- of RS-485 port
Note: The COM1 can be used as a RS-232 port or a RS-485 port. It is not
recommended to use both RS-232 & RS-485 at the same time.
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
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