SC Series Instruction Manual - Model SC500 page 33
Options Connector
5
5.3.2 3 Form A Relays
Option
Table 5-6: Options Connector with Option 58h (3 Form A Relays)
Pin
Label
Function
Reference
Pin
Availability
1 (left)
OUT/+TX
RS-232 Data Out (Option 53a)
RS-485 Tr (Option 53d)
5
Option 53a
or 53d
2
IN/-TX
RS-232 Data In (Option 53a)
RS-485 Transmit - (Option 53d)
5
Option 53a
or 53d
3
DSR/+RX
RS-232 Data Set Ready (Option 53a)
RS-485 R (Option 53d)
5
Option 53a
or 53d
4
-RX
RS-485 Receive -
5
Option 53d
5
GND
RS-232/RS-485 reference
-
Option 53a
or 53d
6
N/C
No Connection
-
7
RELAY3 COM
Relay 3 common
-
Option 58h
8
RELAY3 NO
Relay 3 normally open
7
Option 58h
9
RELAY1 COM
Relay 1 common
-
Option 58h
10
RELAY1 NO
Relay 1 normally open
9
Option 58h
11
RELAY2 COM
Relay 2 common
-
Option 58h
12 (right)
RELAY2 NO
Relay 2 normally open
11
Option 58h
Summary of Contents for SC500
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