ZM400 Series Indicators Service Manual
143
13.7 ZM remote inputs and outputs, Opto-22 module
1 2 3 4 5 6 7 8
GN
D
RE
L
AY
V
O
L
TA
G
E
OU
T1
OU
T2
OU
T
3
(TB2)
CUTOFFS (TRIPS) CONNECTOR
-VDC/GND
EXT ERNAL POWER
+ 5 T O 30 VDC
K1
K2
K3
+
-
-
+
-
+
1 2 3 4 5 6 7 8
(TB2)
EXTERNAL INPUTS CONNECTOR
INPUT
T YPICAL REM OT E
SW1
SW2
GN
D
IN
1
IN
2
IN
3
DI3
USING EXTERNAL DC VOLTAGE
TO OPERATE RELAYS
1 2 3 4 5 6 7 8
RE
LA
Y
V
O
L
T
A
G
E
OU
T
1
OU
T2
OU
T3
(TB2)
CUTOFFS (TRIPS) CONNECTOR
(TYPICAL RELAY CONNECTION)
K1
K2
K3
+
-
-
+
-
+
USING IN5VDC VOLTAGE
TO OPERATE RELAYS
1 2 3 4 5 6
+5
V
D
C
(TB3)
COM 1 & 2 RS232 (SERIAL)
MAXIMUM CURRENT
DRAW OF THE
+5VDC IS 500mA
1 2 3 4 5 6 7 8
R
EL
A
Y
V
O
LT
A
G
E
O
UT
1
OU
T2
OU
T3
(TB2)
CUTOFFS (TRIPS) CONNECTOR
(TYPICAL RELAY CONNECTION)
K1
K2
K3
+
-
-
+
-
+
USING IN24VDC VOLTAGE
TO OPERATE RELAYS
1 2
+2
4
V
D
C
(TB5)
BATTERY POWER CONNECTOR
MAXIMUM CURRENT DRAW
OF THE +24VDC IS 1 AMP
NOTE:
EXTERNAL INPUT CONNECTIONS
ARE 5VDC TTL LOGIC LEVEL
(INTERNALLY LIMITED TO 14mA).
INPUTS WORK WITH EITHER A DRY
CONTACT SWITCH (SW1, SW2) OR A
0 TO +5VDC DIGITAL INPUT (DI3).
NOTE:
CUTOFFS (TRIPS) ARE
RATED AT A MAXIMUM OF
250mA PER OUTPUT, UP
TO A MAXIMUM VOLTAGE
OF 30VDC.
NOTE:
CUTOFFS (TRIPS) ARE
RATED AT A MAXIMUM OF
250mA PER OUTPUT, UP
TO A MAXIMUM VOLTAGE
OF 30VDC.
NOTE:
CUTOFFS (TRIPS) ARE
RATED AT A MAXIMUM
OF 250mA PER OUTPUT,
UP TO A MAXIMUM
VOLTAGE OF 30VDC.
(TYPICAL RELAY CONNECTION)
ZM Opto board (PN AWT05-506036)
WARNING: EXCEEDING ANY OF THE CURRENT LIMITS OR VOLTAGE MAXIMUMS
WILL DAMAGE THE INDICATOR.
Indicator TB2-1
Ground
ZM Opto Box TB1-1
Indicator TB2-2
Input 1
ZM Opto Box TB1-7
Indicator TB2-3
Input 2
ZM Opto Box TB1-6
Indicator TB2-4
Input 3
ZM Opto Box TB1-5
Indicator TB2-5
Output 1
ZM Opto Box TB1-4
Indicator TB2-6
Output 2
ZM Opto Box TB1-3
Indicator TB2-7
Output 3
ZM Opto Box TB1-2
Indicator TB2-8
Relay V5VDC
ZM Opto Box TB1-8
Indicator TB2-8
Relay V5VDC
Indicator TB3-6
ZM Opto Box Wiring Information