Symcom ISS-102CCI-M-MC Engineering Specification

ENGINEERING SPECIFICATION

SYMCOM MODEL ISS-102CCI-M-MC Intrinsically Safe Switch

PART 1 GENERAL

1.1 REFERENCES

A. 30 CFR Part 18 – Mine Safety and Health Administration
B. ANSI/IEEE C62.41 – American National Standards Institute/Institute of Electrical & Electronics Engineers

1.2 WARRANTY

A. Manufacturer Warranty: The manufacturer shall guarantee the equipment to be free from material and workmanship defects

for a period of five years from the date of manufacture when installed and operated according to the manufacturer’s requirements.

PART 2 PRODUCTS

2.1 MANUFACTURERS

The equipment specified shall be the Model ISS-102CCI-M-MC, manufactured by SymCom, Inc.

2.2 DESCRIPTION

A. Regulatory Requirements:

a. MSHA has evaluated the devic e to comply with the requirements in CFR 30 18.68 for intrinsically safe devices. The

2.3 PERFORMANCE/DESIGN CRITERIA

A. Capabilities and Features:

B. Intrinsically Safe Requirements:

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evaluation number is 18-ISA070001-0.

1. Inputs:
a. The equipment shall accept two control inputs from the hazardous area.
b. The equipment shall accept single-phase input voltage rated 120VAC.

2. Outputs:
a. The equipment shall include two relays.

1) Relay 1 shall be Form C (SPDT), non-isolated. Contacts pilot duty rated 180VA@120VAC. Contacts general purpose
rated 5A@120VAC.

2) Relay 2 shall be Form C (SPDT), isolated. Contacts pilot duty rated 180VA@120VAC. Contacts general purpose
rated 5A@120VAC.

3. Functional Specifications:
a. The equipment shall provide pump-up or pump-down mode.

a) The equipment shall allow the user to select direct or inverted logic and probe setting for the specific application

b. The equipment shall provide single-channel switch mode.

1) The equipment shall activate both output relays when c ontrol input #1 is activated.

c. The equipment shall provide dual-channel switch mode.

1) The equipment shall activate the appropriate relay when a control input is activated.

2) The equipment shall allow the relays to be activated independently of one another.

d. The equipment shall provide the following functions controlled from a DIP switch:

1) Mode selection: single-channel switch, dual-channel switch, dual-channel differential / latching

2) Input logic selection: direct, inverted

3) Debounce selection: 0.5 seconds, 2 seconds
e. The equipment shall include an input sensitivity threshold of 4.7-100kiloohms, adjustable.
f. The equipment shall include two LEDs.

1) Each LED shall illuminate upon activation of the corresponding output relay.

1. The equipment shall have the following entity parameters:
a. Voc=16.8V
b. Isc=1.2mA
c. La=100mH
d. Ca=0.39µF
e. Po= Voc * Isc

2. The equipment shall provide intrinsically safe circuit into the following locations:
a. Class I, Divisions 1 & 2, Groups A, B, C, & D
b. Class II, Divisions 1 & 2, Groups E, F & G
c. Class III

3. The equipment shall provide two inputs to the hazardous area.

ES-ISS-102CCI-MMC_A1 06/2010

C. Electromagnetic Compatibility:

1. The equipment shall be immune to electrostatic discharge per IEC 61000-4-2, Level 3, 6kV contact discharge and 8kV air
discharge.

2. The equipment shall be immune to electrical fast transient bursts per IEC 61000-4-4, Level 3, 4kV power supply port, 4kV
input/output ports.

3. The equipment’s power supply port shall be immune to electrical surges per IEC 61000-4-5, Level 4. Specified limits shall be
4kV line-to-line and line-to-ground.

4. The equipment shall be immune to radiated radio frequency emissions. Specified limits shall be 10V/m at 150 MHz.

D. Dielectric Isolation: Equipment withstands an alternating current potential of 1000V plus twice the rated voltage of the equipment

for 1 minute without breakdown between uninsulated live parts and the enclosure with the contacts open and closed; between
terminals of opposite polarity with the contacts closed; and between uninsulated live parts of different circuits.

E. Enclosure Class of Protection: The equipment shall provide IEC IP20 (finger safe) protection.

F. Environmental Requirements:

1. The equipment shall operate continuously without derating in ambient temperatures of -40° to 55°C (-40° to 131°F).

2. The equipment shall operate continuously without derating in relative humidity of up to 95% non-condensing per IEC 68-2-3.

3. The equipment shall operate properly after storage in ambient temperatures of -40° to 80°C (-40° to 176°F).

G. Dimensions: The equipment dimensions shall not exceed 3.5” H x 2.084” W x 2.35” D.

H. Mounting:

1. The equipment shall be mountable on standard 35 mm DIN rail.

2. The equipment shall be surface mountable.

End of Section

ES-ISS-102CCI-MMC_A1 06/2010