OHAUS TD52 User manual
TD52 Indicator
Discrete I/O Option
Instruction Manual
Interfaz E/S Discreta
Manual de instrucciones
Interface discrète I/O
Manuel d’instruction
Discrete I/O-Schnittstelle
Bedienungsanleitung
Modulo d’Interfaccia I/O
Manuale di Istruzioni
I/O 折
折ↅ
∎䞷広㢝
EN-1
INTRODUCTION
This discrete I/O interface Kit is for use with OHAUS TD52P and TD52XW indicators.
When installed, the system software allows the relay to be programmed in a variety of ways.
BASIC APPLICATIONS
Applications include driving external Over/Accept/Under displays, motor controls for semi-automatic
filling systems, sortingsystems, interfacingto industrial PLC systems, etc. The Relay outputs can also
be used as slave relays to drive high power relays in larger systems.
For the setup in each application, please refer to the instruction manual supplied with scale.
Set up the discrete I/O controls as described in the I/O menu section of that manual.
CAUTION: Read all safety warnings before installing, making connections, or servicing the
Discrete I/O PCB. Failure to comply with these warnings could result in personal injury
and/or property damage. Retain all instructions for future reference.
KIT CONTENTS
Screws (4)
Connector, 3 Pin
Cable Gland
I/O PCB
Cable to mainboard
Connector, 6 Pin
()
B
Conn
board
C
C
able
G
lan
d
C
e
ws
(
4
)
ector, 3 P
e to main
ect
o
P
i
n
b
oa
rd
EN-2
INTERFACE INSTALLATION
CAUTION: THE INSTALLATION AND WIRE CONNECTIONS TO THE DISCRETE I/O
BOARD SHOULD ONLY BE DONE BY AUTHORIZED AND QUALIFIED
PERSONNEL, SUCH AS AN ELECTRICIAN.
WARNING: BEFORE MAKING CONNECTIONS TO THE RELAY TERMINALS,
POWER OFF THE SYSTEM AND REMOVE ALL EXTERNAL AC POWER
CONNECTIONS.
WARNING: WHEN MAKING ANY LINE VOLTAGE CONNECTIONS TO THE
DISCRETE I/O, FOLLOW NATIONAL ELECTRICAL CODE (NEC) OR LOCAL
AUTHORITY WIRING STANDARDS AND SAFETY PRACTICES.
For TD52P:
1. Separate the indicator from the base by loosening load cell cable male connector.
Remove the interface option cover.
2. Break off the rib of the accessory cover as shown.
Rib
Load cell cable male connector
Interface option cover
EN-3
3. Connect the cable to the main board connector 2 as shown. Place the ferrite in the slot of
the rear housing as shown.
4. Install the relay board. Secure it with the 2 screws. Connect the cable to the relay board
12 pin connector.
Cable
Ferrite
Main board
connector 2
12 Pin Connector
Screw
EN-4
5. Connect the relay cable to the 3 pin and 6 pin connectors. Fix the relay cable with the
nylon cable tie to avoid falling off from the terminal block.
6. Put the interface option cover back on the terminal.
For TD52XW:
1. Remove the interface option cover. Remove the 6 screws with sealed washers. Remove
the M25 hole plug as shown.
3 Pin / 6 Pin Connector
Nylon cable ties
Relay Cable
Screw
Load cell cable male
connector
M25 Hole plug
EN-5
2. Rotate the rear housing down away from the front housing as shown.
3. Connect the cable to the main board connector 2. Place the ferrite in the slot of the
internal cover as shown.
cable
Ferrite
Main board connector 2
EN-6
4. Disassemble the cable gland by loosening the cap nut and removing the rubber seal.
Pass the relay output through the cap nut, then spread the rubber seal and place it over
the cable. Now pass the cable through the body of the cable gland.
5. Install the relay board. Secure it with 2 screws. (Note: boss post is 5 and 7.)
Connect the cable to the relay board 12 pin connectors. Put the relay cable through the
M25 hole. Connect it to the 3 pin and 6 pin connectors.
Relay Output Cable
M25 Gland
Cap Nut
Boss Post 5, 7
EN-7
6. Put the rear housing back on the front housing. Re-install the 6 screws.
7. Fasten the M25 gland to the rear housing.
Screw
12Pin
Connector
3Pin / 6pin
Connector
Relay cable
Relay cable
M25 Gland
EN-8
8. Push the rubber seal into the M25 cable gland.
9. Fasten the cap nut of M25 gland.
For TD52XW with reversed rear cover:
1. Remove the interface option cover. Remove the 6 screws with sealed washer. Remove
the M25 hole plug as shown.
Rubber Seal
Cap nut of M25 gland
Screw
M25 hole plug
Load cell cable male connector
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