Description
Technical Parameters
Product Introduction
The Relay Output with coil sensing (TRLYS1B) terminal board holds 12 plug-in magnetic relays. The first six relay circuits configured by jumpers for either dry, Form-C contact outputs, or to drive external solenoids. A standard 125 V dc or 115/230 V ac source, or an optional 24 V dc source with individual jumper selectable fuses and on-board suppression, can be provided for field solenoid power.
Technical Specifications
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Manufacture |
General Electric(GE) |
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Model |
IS400TRLYS1B |
| Part Number | IS400TRLYS1BJJ |
|
Description |
Mark VIeS Relay Output with Coil Sensing |
|
Origin |
USA |
|
Dimension |
37*17*9cm |
|
Weight |
0.85kg |
Product Details
GE TRLYS1B Compatibility：
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Board Revision
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Mark VIeS
IS420YDOAS1B
|
Comments
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|
TRLYS1B
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Yes, all versions
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IEC 61508 safety certified with Mark VIeS YDOA
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TRLYS1B Installation：
Connect the wires for the 12 relay outputs directly to two I/O terminal blocks on the terminal board. Each block is held down with two screws and has 24 terminals accepting up to #12 AWG wires. A shield terminal strip attached to chassis ground is located on to the left side of each terminal block. Connect the solenoid power for outputs 1-6 to JF1. JF2 can be used to daisy chain power to other TRLYs. Alternatively, power can be wired directly to TB3 when JF1/JF2 are not used. Connect power for the special solenoid, Output 12, to connector JG1.
Jumpers JP1-JP6 are supplied with the board. The appropriate jumper should be installed if power to a field solenoid is required. Conduct individual loop energization checks as per standard practices and install the jumpers as required. For isolated contact applications, remove the fuses to ensure that suppression leakage is removed from the power bus. If both the jumpers and the fuses are not removed, external power will be connected to the suppression circuits in some operating conditions.
TRLYS1B Operation with Multiple Power Sources
When these terminal boards are used as dry contacts to switch ac voltage using circuits 01 through 06, and are simultaneously supplied with 125 V dc power through JF1, JF2, or TB3, unless all the fuses and JPx jumpers for the relay contact being used as a dry contact with a separate supply are removed, the separate supply will be present on the Normally Open (NO) relay terminal. If the JPx jumpers and fuses for the ac powered dry contact are not correctly removed, it will tie the ac voltage to N 125 V dc when the contact closes. A similar situation exists for the P-125. Since most ac supplies operate with a grounded neutral, the sum of the ac peak voltage and the 125 V dc is applied to MOVs connected between the dc and ground. In 120 V ac applications, the MOV rating is sufficient to withstand that voltage.
When the board is also supplied with 125 V dc, the preferred solution is not to connect the circuits 01 through 06 to ac-powered control circuits. If there is insufficient spare availability, remove both the fuses and the jumper for the contact in use for ac switching, isolating the ac voltage on the contact circuit from the dc distribution voltage. Store the jumpers and fuseholder caps separately to reduce the possibility of inadvertent re-installation, (for example after some maintenance activity).
The risk of damage to the MOVs due to cross-connections between the ac and dc power systems is not limited to the TRLY, but is present anywhere the 125 V dc is exposed to cross-connection to 125 V ac. This is including but not limited to contact sensing in motor control centers and breaker close circuits.
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