47LR
P. 4 / 4
EM-9503-B Rev.
■
CONNECTION DIAGRAM
■
TERMINAL BLOCK
•
How to remove the terminal block cover
Insert the minus tip of a screwdriver into each hole at the
four corners of the cover and pull it to the direction as
indicated below to separate the terminal block cover.
9
10
POWER
U(+)
V(–)
LOAD
Inductive
Load (Coil)
Varistor or
CR Circuit
• DC Powered
LOAD
Inductive
Load (Coil)
Diode, Varistor or
CR Circuit
■
Relay Protection
• AC Powered
17
15
16
■
ALARM SUFFIX CODE 1: N.O. contact, 4 points
20
18
19
Lc (COM)
Lb (NC)
La (NO)
Hc (COM)
Hb (NC)
Ha (NO)
17
15
16
20
18
19
Lc, LLc
LLa
La
Hc, HHc
Ha
HHa
LL OUTPUT
L OUTPUT
H OUTPUT
L OUTPUT
H OUTPUT
HH OUTPUT
9
10
POWER
U(+)
V(–)
■
ALARM SUFFIX CODE 2: SPDT contact, 2 points
9
10
POWER
U(+)
V(–)
■
ALARM SUFFIX CODE 0: No alarm output
+
–
7
8
1
2
3
DC OUTPUT
+
–
7
8
DC OUTPUT
+
–
7
8
DC OUTPUT
A
B
B
RTD
1
2
3
A
B
B
RTD
1
2
3
A
B
B
RTD
Note: The section enclosed by broken line is only with DC output option.
•
How to remove the terminal block
The terminal block is separable in two pieces. Loosen two
screws on both sides of the terminal block to separate.
Be sure to turn off the power supply, input signal and
power supply to the output relays before separating the
terminal block.
Terminal Cover
Separable
Terminal Block
Terminal Block
Screw
