Remote Terminal Section 4-2
55
Remove the switch cover to access the DIP switch and terminator switch. Set
these as shown below. The switch cover is in a slightly different position on
G72C Remote Terminals.
+–
Pins
1 to 6
ON
(right):
Terminator
OFF (left):
All others
Word numbers are computed as binary numbers with pins 1 through 5 repre-
senting the one’s place though the 16’s place. For example, turning on all five
pins would set word 31, i.e., 2
0
+ 2
1
+ 2
2
+ 2
3
+ 2
4
= 1 + 2 + 4 + 8 + 16 = 31.
Pin 5 must be set OFF for all Remote Terminals, in C120 Systems, i.e., the
highest word that can be set is 15.
The word actually allocated to a Remote Terminal depends on the PC that
controls it and is computed as shown in the following table.
PC Allocated word
C120 and C500 Same as switch setting
C1000H and C2000H 32 x word multiplier of Master + switch setting
C200H Switch setting + 200
Pin 6: Output HOLD/STOP Mode
OFF: STOP mode All output words set to OFF for transmission errors.
ON: HOLD mode All output words retain status for transmission errors.
Transmission errors for Remote Terminals are the same as those for Slaves.
Switches
Pins 1 to 5: Word Setting
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