Installation Notes
The I.S. 8-channel terminal block is recommended to provide screw terminations for field wiring for the I.S. AI, 8-channel, 4-20 mA, HART card. An optional block is the I.S. loop disconnect 8-channel terminal block.
Specifications
| Item | Specification |
|---|---|
| Number of channels | Eight |
| Isolation |
LocalBus to any channel: 60 VAC
Between channels: None I.S. channel to non-I.S. rail: 250 VAC |
| Nominal signal range (span) | 4 to 20 mA |
| Full scale signal range | 2 to 22 mA |
| Valid range for LED indication | 0.78 to 21.9 mA |
| LocalBus current (12 VDC nominal), per card | 600 mA |
| Line fault detection |
Short circuit: >21.5 mA
Open circuit: <0.5 mA |
| Accuracy over temperature range | ±0.006% of span per °C |
| Accuracy over EMC conditions | 1% of span |
| Resolution | 16 bits |
| Repeatability | 0.05% of span |
| Calibration | Not required |
| Communications Support | HART pass-through request/response HART variable report Field device status report |
| Optional loop disconnect | Yes |
| Mounting | Assigned slot of I/O carrier |
WARNING!Hand-held, two-way radios should not be keyed within 0.5 M (1.64 ft., 19.7 in.) of Intrinsically Safe Analog Input cards as the level of radiated emissions from these units can interfere with the operation of the system.
