Mounting and wiring
EL1502, EL1512
41
Version: 3.5
4.9
LEDs and connection
4.9.1
EL1502 - LEDs and connection
Fig. 30: EL1502
LEDs
LED
Color
Meaning
UP/DOWN, GATE
CLOCK CH.1
green
Signal at U/D, Gate input (
operating mode 32 bit up/down counter, 32 bit gated counter)
[
}
115]
Signal at the Clock input, channel 1 (
operating mode 2 x 32 bit counter) [
}
115]
CLOCK
CLOCK CH.2
green
Signal at Clock input (
operating mode 32 bit up/down counter, 32 bit gated counter)
[
}
115]
Signal at the Clock input, channel 2 (
operating mode 2 x 32 bit counter [
}
115]
)
OUTPUT1
OUTPUT2
green
Signal at the corresponding output
Connection
Terminal point
Description
Name
No.
U/D, Gate
Clock Ch.1
1
Up/down input (
operating mode 32 bit up/down counter [
}
115]
),
Gate input (
operating mode 32 bit counter with gate function [
}
115]
)
Clock 1 input (
operating mode 2 x 32 bit counter [
}
115]
)
+24 V
2
+24 V (internally connected to terminal point 6 and positive power contact)
0 V
3
0 V (internally connected to terminal point 7 and negative power contact)
Output 1
4
Output 1
Clock
Clock Ch.2
5
Clock input (
operating mode 32 bit up/down counter [
}
115]
) and (
operating mode 32 bit
counter with gate function [
}
115]
)
Clock 2 input (
operating mode 2 x 32 bit counter [
}
115]
)
+24 V
6
+24 V (internally connected to terminal point 2 and positive power contact)
0 V
7
0 V (internally connected to terminal point 3 and negative power contact)
Output 2
8
Output 2
