Grayhill Modules Contact Closure DC Input User Manual
Contact closure dc input modules, Simplifies field wiring, Circuitry: negative true logic specifications
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Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
I/O Modules
Contact Closure DC Input Modules
FEATURES
• Wire Dry Contact Sensors Directly
to Module, Eliminate External
Power Supply
• 2500 Vac Isolation
• Built-In Status LED
• UL, CSA, CE Mark, TÜV Certified
(TÜV not available on OpenLine
®
)
• Simplifies Field Wiring
3
4
5
+
1
2
10K
Ω
+VCC
OUTPUT
GROUND
VDC
TRANSFORMER
ISOLATION
CONTACT
DEBOUNCE
OUTPUT
DRIVER
CIRCUIT
CIRCUITRY: Negative True Logic
SPECIFICATIONS:
Specifications apply over operating
temperature range unless noted otherwise.
All Modules
Output Specifications
Output Current Range: 1-50 mA
Breakdown Voltage: 50 Vdc minimum
Off State Leakage Current: 1 µA maximum
On State Voltage Drop: 0.45 Vdc at 50 mA
maximum
General Characteristics
Isolation Voltage Field to Logic:
2500 Vac (rms) minimum
OpenLine
®
Vibration: .15mm, 10 to 50 Hz per IEC68-2-6
Mechanical Shock: 50 G's, 0.5 mS, sinsoidal
per IEC68-2-27
Storage Temperature Range:
-40°C to +100°C
Operating Temperature Range:
-40°C to +85°C
G5
Vibration: 20 G's peak or .06" double amplitude
10–2000 Hz per MIL–STD–202, Method 204,
Condition D
Mechanical Shock: 1500 G's 0.5 mS half-sine
G5, Dry Contact
70L-IDC5S
70G-IDC5S 70G-IDC24S
Specifications
Units
Maximum Dry Contact Voltage Rating
Vdc
25
25
25
Minimum Dry Contact Current Rating
mA
5
5
5
Maximum Turn-on Time
mSec
10
3.0
3.0
Maximum Turn-off Time
mSec
10
3.0
3.0
Contact Resistance (Output Low)
Ω
≤ 1.25K
≤ 1.25K
≤ 1.25K
Contact Resistance (Output High)
Ω
25K
25K
25K
Nominal Logic Voltage (Vcc)
Vdc
5
5
24
Logic Voltage Range: G5
Vdc
4.5-5.5
4.5-6
15-30
Max. Logic Supply Current
mA
120
1
41
41
@ Nominal Vcc
SPECIFICATIONS: By Part Number
Type/Function
Grayhill Part Number
per MIL–STD–202, Method 213, Condition F
Storage Temperature Range:
-40°C to +125°C
Operating Temperature Range:
0°C to +60°C
Available from your local Grayhill Distributor.
For prices and discounts, contact a local Sales
Office, an authorized local Distributor or Grayhill.
OpenLine
®
TYPICAL WIRING FOR MODULE 0
0
Ω
MODULE
BASE
OR
RACK
TERMINAL
BLOCK #
B
A
I/O MODULE
PIN #
INPUT
DEVICE
INPUT
DEVICE
DC
SUPPLY
FILTER
FILTER
OPTICAL
ISOLATION
OPTICAL
ISOLATION
HYSTERESIS
HYSTERESIS
+
–
–
+
–
+
1
2
3
4
1
2
3
4
6
7
5
8
9
Vcc
CH. A STATUS
GND
CH. B STATUS
MODULE ID
G5
70L-IDL
70G-IDC
1
WHEN BOTH CHANNELS ARE ACTIVATED
I/O
20