8200-M628-O1 Rev A
212G/212GX Installation & Technical
Page 10
INSTALLATION, CONT.
Optically Isolated Inputs
(requires additional hardware)
Included with the I/O are 4 programmable inputs that may be used to remotely (up to 100 feet)
initiate various functions within the indicator. These inputs are accessed via a terminal block
(P9) on the back of the PC board (see Figure No. 9). The 4 inputs are defined as follows:
TERMINAL NO.
Function
1 Gross
2 Print
3 Zero
4 Tare
5 GND
NOTE! The input must be connected to Gnd to initiate the function.
Optically Isolated Outputs
(requires additional hardware)
PRESET WEIGHT COMPARATOR CHECKWEIGHER LOGIC LEVEL OUTPUT
If desired, you may use the optically isolated outputs from your Model 212G/212GX indicators’
preset weight comparators or checkweigher to remotely (up to 100 feet) control peripheral
devices used to manage the flow of material or signal when the weight is within preset limits.
J11 (12V) - ACTIVE REMOTE OUT JUMPER
The Active Remote Out jumper J11, when connected, allows the 212G/212GX indicators to
supply (source) 12 VDC to a solid-state relay or other load of 200 ohms or greater. To operate
from the 12 VDC source, the positive connection from the relays must be connected to the
PWC connector pins and the negative wire from the relays to the GND pin. See Figure No. 9
for jumper and REMOTE OUTPUT connector location.
For completely isolated outputs, J11 must be open (positioned on one plug-in pin only or
removed) and the user must provide 12 to 24 VDC to the SRC pin and a ground return to the
load. The load must still be 200 ohms or greater.
To connect the control cable to the preset weight comparator/checkweigher logic level output
connector P10, first loosen the gland connector located on the bottom of the 212G/212GX.
Refer to Figure No. 2 for the exact location of the connector. Slip the cable through the
connector and into the enclosure. Remove 2 inches of the cable insulating jacket and then 1/4
inch of insulation from each of the internal wires. Make the proper terminations on terminal
block P10. To terminate a wire, first press down on the terminal block release bar, insert the
wire into the terminal and remove pressure from the release bar locking the wire in place.
Summary of Contents for 212G
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Page 10: ...8200 M628 O1 Rev A 212G 212GX Installation Technical Page 6 INSTALLATION CONT Figure No 2 ...
Page 27: ...8200 M628 O1 Rev A 212G 212GX Installation Technical Page 23 Lamp test on power up ...
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