Honeywell Local Operator Interface S7999B User Manual
Page 11
S7999B, S7999C SOLA LOCAL OPERATOR INTERFACE
11
65-0303—05
Fig. 12. S7999C wiring diagram for lead lag.
M32007
DO NOT CONNECT THE S7999C TO
TERMINALS 1 2 3. THIS WILL RENDER
THE DISPLAY INOPERABLE.
DISPLAY CAN BE CONNECTED TO MB1
OR MB2; A, B, C AS LONG AS THE
REMAINING MB TERMINAL IS USED
FOR THE SLAVE COMMUNICATIONS.
WIRE V-INFINITY POWER SUPPLY
TO + AND - TERMINALS.
S7999C CONNECTED TO THE MASTER
CAN CONFIGURE THE MASTER.
IT CAN ALSO CONFIGURE THE SLAVE
INFORMATION IN THIS CONTROL AS WELL
AS MONITOR THIS SLAVE’S ACTIVITIES.
S7999C CONNECTED TO EACH SLAVE
CAN ONLY CONFIGURE THAT SLAVE AS
WELL AS MONITOR THAT SLAVE’S ACTIVITY.
UP TO A MAXIMUM OF 8 SOLA SLAVES
IN A LEAD LAG NETWORK.
WIRING KEY
LOW VOLTAGE
DATA
LINE VOLTAGE
1
1
3
3
4
4
5
5
4
4
4
3
3
1
1
1
2
2
2
2
2
3
+
Y
G
–
S7999C
MID-LEVEL DISPLAY
2
3
C
B
A
C
B
A
1
SOLA
LL MASTER AND SLAVE 1
J3
MB1
ECOM
MB2
2
3
C
B
A
C
B
A
1
SOLA SLAVE 2
J3
MB1
ECOM
MB2
2
3
C
B
A
C
B
A
1
SOLA SLAVE 4
J3
MB1
ECOM
MB2
2
3
C
B
A
C
B
A
1
SOLA SLAVE 3
J3
MB1
ECOM
MB2
L1
L2
120
VAC
V+
N
L
V-
V-INFINITY
FSC-S5-12U
+
Y
G
–
S7999C
MID-LEVEL DISPLAY
+
Y
G
–
S7999C
MID-LEVEL DISPLAY
+
Y
G
–
S7999C
MID-LEVEL DISPLAY