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
10KΩ
+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 120141 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
0Ω
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
1WHEN BOTH CHANNELS ARE ACTIVATED
I/O
20
