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ГК Атлант Инжиниринг – официальный представитель в РФ и СНГ
Pin assignment of bottom 14-pin screw terminal block:
Pin Name Description
1
DO
100 mA, 30V max.
2
DI
3.5V ~ 30V
3
D1+
DATA+ pin of COM1 (RS-485)
4
D1-
DATA - pin of COM1 (RS-485)
5
CTS1 Clear To Send of COM1 (RS-232)
6
RTS1 Request To Send of COM1 (RS-232)
7
GND
Signal ground of RS-232
8
TXD1 Transmits Data of COM1 (RS-232)
9
RXD1 Receives Data of COM1 (RS-232)
10 INIT* Initial pin, 3.5V ~ 30V
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: 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.
Pin assignment of top 14-pin screw terminal block:
15 RXD3
RXD pin of COM3 (RS-232)
16 TXD3
TXD pin of COM3 (RS-232)
17 RXD4
RXD pin of COM4 (RS-232)
18 TXD4
TXD pin of COM4 (RS-232)
19 GND
GND pin of COM3/4/5/6 (RS-232)
20 RXD5
RXD pin of COM5 (RS-232)
21 TXD5
TXD pin of COM5 (RS-232)
22 RXD6
RXD pin of COM6 (RS-232)
23 TXD6
TXD pin of COM6 (RS-232)
24 GND
GND pin of COM5/6/7/8 (RS-232)
25 RXD7
RXD pin of COM7 (RS-232)
26 TXD7
TXD pin of COM7 (RS-232)
27 RXD8
RXD pin of COM8 (RS-232)
28 TXD8
TXD pin of COM8 (RS-232)
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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