142
Connecting to the Host’s RS-422A/485 Port
Section 5-2
5-2-5
1:N Connection among RS-485 Ports
The connection method in which the RS-485 ports of multiple NT31/NT31Cs and
one host are connected in a 1:N connection is described here.
NT31/NT31C
25-pin connector
9-pin connector
Serial port B
(RS-485, 25-pin type)
CPU
RS-485 cables
(max. total length 500 m)
CS1G/H
C200HX/HG/HE-ZE
24V
DC
PRINTER PORT B
Max. 2 m
Relay terminal block
Reference: Communication using the RS-422A type NT link (1:N) method is possible when a
serial communication board is installed at CS1 series CS1G/H, and when a com-
munication board is installed at the C200HX/HG/HE (–ZE).
Summary of Contents for NT31 Series
Page 1: ...Cat No V043 E1 2 Programmable Terminal NT31 31C OPERATION MANUAL...
Page 2: ...iii NT31 31C Programmable Terminal Operation Manual Produced March 1999...
Page 41: ...30 Before Operating Section 1 5...
Page 75: ...64 Using a Memory Unit NT31 NT31C without V1 Section 3 6...
Page 160: ...149...
Page 174: ...163...
Page 193: ...182...
Page 211: ...200...
Page 235: ...224 c Return to the screen on which screens are specified...
Page 262: ...251...
Page 360: ...349 It is not possible to control a gloval window by touch switch operation...
Page 468: ...457 254 255 0 2 7 1 4 5 3 3 0 0 0 5 9 8 0 3...
Page 476: ...465 Special Functions Section 7 16...
Page 495: ...484 OFF...
Page 610: ...599 Commands Responses Section 9 3...
Page 630: ...619 Examples of Actual Applications of Memory Link Section 10 2...