MODEL: 53U
■ EXTERNAL INTERFACE CODE: 1
■ EXTERNAL INTERFACE CODE: 2, 3
DI +
DI –
AO1 +
AO1 –
AO2 +
AO2 –
AO3 +
AO3 –
AO4 +
AO4 –
CONTACT
INPUT
ANALOG
OUTPUT 1
DO/PO+
DO/PO–
CONTACT
OUTPUT
ANALOG
OUTPUT 2
Shielded Twisted-pair Cable
T1
T2
T3
T4
+
–
To other
Modbus devices
ANALOG
OUTPUT 3
Jumper *1
Term.
Resist.
ANALOG
OUTPUT 4
3
*
U(+)
V(–)
AUXILIARY POWER
CONFIGURATOR
3
*
U(+)
V(–)
AUXILIARY POWER
JACK
CONFIGURATOR *2
JACK
■ EXTERNAL INTERFACE CODE: 4, 5
■ EXTERNAL INTERFACE CODE: 6, 7
DI +
DI –
AO1 +
AO1 –
CONTACT
INPUT
ANALOG
OUTPUT 1
DO/PO+
DO/PO–
AO1 +
AO1 –
AO2 +
AO2 –
AO2 +
AO2 –
CONTACT
OUTPUT
ANALOG
OUTPUT 2
DO/PO1+
DO/PO1–
DO/PO2+
DO/PO2–
ANALOG
OUTPUT 1
CONTACT
OUTPUT 1
ANALOG
OUTPUT 2
CONTACT
OUTPUT 2
3
3
*
*
U(+)
V(–)
U(+)
AUXILIARY POWER
AUXILIARY POWER
V(–)
CONFIGURATOR *2
CONFIGURATOR *2
JACK
JACK
■ EXTERNAL INTERFACE CODE: 8
■ EXTERNAL INTERFACE CODE: 9
DO/PO1+
DO/PO2+
DO/PO3+
DO/PO1+
DO/PO1–
DO/PO2+
DO/PO2–
DO/PO3+
DO/PO3–
DO/PO4+
DO/PO4–
CONTACT
OUTPUT 1
CONTACT OUTPUT 1
CONTACT OUTPUT 2
CONTACT
OUTPUT 2
CONTACT OUTPUT 3
DO/PO COM
Shielded Twisted-pair Cable
T1
T2
T3
+
–
To other
Modbus devices
CONTACT
OUTPUT 3
Jumper *1
Term.
Resist.
T4
CONTACT
OUTPUT 4
3
*
U(+)
V(–)
JACK
AUXILIARY POWER
CONFIGURATOR
3
*
U(+)
AUXILIARY POWER
CONFIGURATOR
V(–)
JACK
• Contact Input Connection E.g.
• Contact Output Connection E.g.
*1. When the device is located at the end of a transmission line via
twisted-pair cable, (when there is no cross-wiring), close across the
terminal T2 – T3 with a leadwire.
When the device is not at the end, no shortcircuit wire is required.
*2. Analog output may momentarily fluctuate while the configurator cable
is left connected.
DI +
DI –
+
DO/PO+
DO/PO–
+
-
-
*3. For UL approved model, L and N are marked, instead of U(+) and V(–).
53U SPECIFICATIONS
ES-6485 Rev.26 Page 6/9
https://www.m-system.co.jp/