MERRICK Genetix User Manual

Page 103 of 104
Appendix C
GCM Connections
Consult your Merrick wiring diagram for additional connection information, or contact the
Merrick Customer Support department for assistance.
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,
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,
,
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,
=
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,
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,
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=
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,
Aout1
,
Aout1 Com
,
+
=
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Aout2
"
Aout2 Com
=
0
,
+
0 10 VDC
0
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+
4 20 mA
Ain
.;f
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I:l::J::J
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,
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0
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+
5 VDC
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,
CHASSIS
See
OIM
Manual
for Jumper
,
LC GND
positions
,
EXC
+
v
,
SEN
+
~
OUTPUT COHTACT RATING
,
SIG
+
'3
5A 250 VAC, 5A 30 vae
"
SIG
NC
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SEN
c
SO 4 NO
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12
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w
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Guard
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m
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LC GND
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0
,
+
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Com
,
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,
SEN
+
~
NC
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,
+
=
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SO 2 NO
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"
r"
=
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,
Co
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c
NC
,
,
0
SO 1 NO
,
~
"
uor
~
Com
,

MERRICK Genetix Specifications

Operating Environment

maximum ambient temperature	50°C (122°F)
minimum ambient temperature	-10°C (14°F)

Power

supply voltage	24 VDC +/- 1V
power consumption	8W nominal, 12W maximum
power dissipation	5W nominal, 10W maximum

Loadcell Inputs

excitation voltage	5 VDC
excitation current	300mA (max)

Tachos

supply voltage	5 VDC
supply current	400mA, maximum (total)

Analog Inputs

input impedance (current input)	200 ohms
input impedance (voltage input)	100Kohms

Digital Inputs

input impedance at 24 VDC	7.5 KΩ
input impedance at 120 VAC	64 KΩ
input impedance at 240 VAC	120 KΩ

Digital Outputs

contact ratings (AC)	5A, 250 VAC
contact ratings (DC)	5A, 30 VDC

External Mechanical Totalizer

contact ratings (AC)	120mA, 240 VAC
contact ratings (DC)	120mA, 24 VDC