Dwyer 16L - Manual (Page 7)

December, 1998 Page 7 of 28 949-1270
CAUTION: DO NOT RUN SIGNAL WIRING IN THE SAME
CONDUIT OR CHASE AS THE POWER WIRING. ER-
RATIC OPERATION OR DAMAGE TO THE CONTROL
CIRCUITRY WILL RESULT.
SWITCH CONTACTS FOR OPTION 948 MUST BE ISOLATED AND CAN
NOT SHARE WIRING WITH OTHER CONTROLS.
948 Truth Table
A B
7 to 6 8 to 6 SP
OPEN OPEN 1SP1
CLOSED OPEN 2SP1
OPEN CLOSED 3SP1
CLOSED CLOSED 4SP1
1 2 3 4 5 6 7 8 9 10 11 12 13
14 15 16 17 18 19 20 21 22 23 24 25
DATA IN 11
DATA OUT 12
DATA GROUND 6
PIN DESCRIPTION
1 SHIELD
2 TRANSMIT
3 RECEIVE
4 RTS
5 CTS PIN DESCRIPTION
6 DSR
7 GROUND
8 DCD
20 DTR
RS-232 DB-25 WIRING
(VIEWED FROM WIRE SIDE)
1 2 3 4 5
6 7 8 9
RS-232 DB-9 WIRING
(VIEWED FROM WIRE SIDE)
PIN DESCRIPTION
1 DCD
2 RECEIVE
3 TRANSMIT
4 DTR
5 GROUND
6 DSR
7 RTS
8 CTS
DATA OUT 12
DATA IN 11
DATA GROUND 6
OPTION 11 12 6 7 8
934, 936 + - na na na
948 na na Signal Ground A B
992 B A na na na
993 Data In Data Out Signal Ground na na